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1
Malinina, Tat'yana, Vitaliy Novikov, and M. S. Molokanova. "HYDROPONICS AS AN ALTERNATIVE TO GROWING PLANTING MATERIAL." Actual directions of scientific researches of the XXI century: theory and practice 8, no. 1 (October 26, 2020): 91–94. http://dx.doi.org/10.34220/2308-8877-2020-8-1-91-94.
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Hydroponics is a modern way of growing plants in special solutions. Using this method, plants dispense with soil, are in the substrate, which serves as a support for the root system and receive the necessary nutrients from the solution. It for each plant, depending on the species, is selected individually. The hydroponic method is of two types: open systems and closed. Most industrial plants are simple open systems. Plants are grown on a mineral wool slab; the nutrient solution circulates several times a day, according to the ambient temperature, and then after each watering 25-30% of the nutrient solution is discharged into the ground. This is to prevent the deposition of salts on the substrate.There are also closed systems where the nutrient solution circulates from the tank to the plants and back to the tank. In this case, all the consumed water is absorbed and evaporated by the plant, thereby increasing the efficiency of water consumption. In addition, the nutrient solution does not come into contact with the soil and does not contaminate the soil, and unwanted nutrients do not enter the groundwater. System closure solves the problem of water loss. Peppermint culture was grown using a closed type of hydroponic system. Passiflora seeds were grown using mineral wool.
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Le Gouévec, Jérôme, and Olivier Blanpain. "Multicriteria analysis for choosing wastewater sewerage solutions." Journal of Hydroinformatics 4, no. 3 (July 1, 2002): 137–44. http://dx.doi.org/10.2166/hydro.2002.0015.
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Today, more and more French communities have a critical point of view concerning the performance of their wastewater sewerage systems. The main reason is linked to the methodology of the studies in the design phase. The process is neither adapted to the complexity of the decision-making task, nor to a general management of the wastewater sewerage in a territory. In order to make these studies more coherent and the choices more rational, we propose a new formulation of the methodology as an alternative to the current one. Our approach relies on decision-making support which borrows concepts from expert systems and multicriteria analysis in order to structure the reasoning process and to take into account the very different criteria a real decision-making task often implies. We show that this support has to be interactive and iterative in order to ensure that coherent and relevant solutions are chosen.
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Westerlund, Parvaneh, Ingemar Andersson, Tero Päivärinta, and Jörgen Nilsson. "Towards automated pre-ingest workflow for bridging information systems and digital preservation services." Records Management Journal 29, no. 3 (November 18, 2019): 289–304. http://dx.doi.org/10.1108/rmj-05-2018-0011.
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Purpose This paper aims to automate pre-ingest workflow for preserving digital content, such as records, through middleware that integrates potentially many information systems with potentially several alternative digital preservation services. Design/methodology/approach This design research approach resulted in a design for model- and component-based software for such workflow. A proof-of-concept prototype was implemented and demonstrated in context of a European research project, ForgetIT. Findings The study identifies design issues of automated pre-ingest for digital preservation while using middleware as a design choice for this purpose. The resulting model and solution suggest functionalities and interaction patterns based on open interface protocols between the source systems of digital content, middleware and digital preservation services. The resulting workflow automates the tasks of fetching digital objects from the source system with metadata extraction, preservation preparation and transfer to a selected preservation service. The proof-of-concept verified that the suggested model for pre-ingest workflow and the suggested component architecture was technologically implementable. Future research and development needs to include new solutions to support context-aware preservation management with increased support for configuring submission agreements as a basis for dynamic automation of pre-ingest and more automated error handling. Originality/value The paper addresses design issues for middleware as a design choice to support automated pre-ingest in digital preservation. The suggested middleware architecture supports many-to-many relationships between the source information systems and digital preservation services through open interface protocols, thus enabling dynamic digital preservation solutions for records management.
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Dede, Georgia, Evangelia Filiopoulou, Georgios Chatzithanasis, Thomas Kamalakis, and Christos Michalakelis. "Evaluation of Technological Solutions and Requirements for Cloud TV Services Based on Decision Support Systems." International Journal of Technology Diffusion 12, no. 3 (July 2021): 23–43. http://dx.doi.org/10.4018/ijtd.2021070102.
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Cloud TV will play an important role in future pay TV services and is quickly becoming the next arena for TV content providers. This emphasizes the need for a technology roadmap to address several key issues that may affect the deployment of future Cloud TV services. Three alternative technologies, Internet Protocol TV (IPTV), Over the Top (OTT), and Smart TV have been investigated. The methodology used is the analytic hierarchy process based on a decision support system developed for this study. The current work implements and verifies a transparent road mapping model for Cloud TV solutions. The results indicate that OTT seems to be the most efficient and valuable choice and reveal an important blend of social, economic, technological requirements to be taken into account when deploying and/or adopting Cloud TV services from a pay TV operator. Sensitivity analysis is performed to investigate the stability of the results and the accuracy of the approach. The findings will be an important guide for the development of Cloud TV solutions and the improvement of those already deployed.
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Korthals Altes, Willem K. "Land pricing upon the extension of leases in public leasehold systems." Journal of European Real Estate Research 12, no. 1 (May 7, 2019): 97–111. http://dx.doi.org/10.1108/jerer-05-2018-0021.
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Purpose This paper aims to compare and review alternative ways to adjust public ground leases. Design/methodology/approach Based on principles derived from a review of scientific literature, alternatives for the extension of leases are discussed based on the case of Amsterdam. Findings Many alternatives lead public ground-lease systems to produce results that are the opposite of what they are intended to be (as inspired by Henry George): new improvements result in higher rent, but additional location values do not result in higher rent. One exception is the lease-adjustment-at-property-transaction alternative, which may nevertheless result in fewer transactions. Social implications Public leasehold systems are highly contested with regard to the extension of leases. Such systems are often aimed at capturing land-value gains. In practice, however, this tends to be more difficult than expected. Value capture by authorities, as intended by the system, results in counter-movements of lessees, who often gain public support to set lower leases. These political processes may even result in the termination of such public ground-lease systems. This paper reports on a search for possible solutions. Originality/value The comparison of various alternatives to ground-lease extension based on principles derived from literature is new, and it contributes insight into public ground-lease systems.
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Kusuma, Ardi, and Garuda Ginting. "Sistem Pendukung Keputusan Pemilihan Apoteker Terbaik Pada PT. Kimia Farma (Persero) Tbk Medan Menerapkan Metode Vikor." Jurnal Sistem Komputer dan Informatika (JSON) 1, no. 3 (May 20, 2020): 252. http://dx.doi.org/10.30865/json.v1i3.2163.
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Pharmacists are professional workers who have basic education and skills in the field of pharmacy and are given the authority and responsibility to carry out pharmaceutical work. In the pharmaceutical industry, both those that have been operating and are about to be established, there must be at least 3 (three) Indonesian pharmacists. Decision Support System (SPK) has the aim of providing predictions, providing information and directing information users to be able to make decisions more effectively. Decision Support System (SPK) applications use a flexible, interactive and adaptable CBIS (Computer Based Information System) that was developed to support solutions to specific unstructured management problems. The VIKOR method is used to overcome the problem of complex multi-criteria systems that focus on ranking and selection of alternatives. The first proposed procedure calculates the ideal and negative solutions by considering the criteria and weights of each alternative, and the corresponding utility.
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Lambert, J. W. M., J. J. van Meerten, M. P. Woning, M. J. Eijbersen, and M. Huber. "Tools to support maintenance strategies under soft soil conditions." Proceedings of the International Association of Hydrological Sciences 372 (November 12, 2015): 529–31. http://dx.doi.org/10.5194/piahs-372-529-2015.
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Abstract. Costs for maintenance of infrastructure in municipalities with soft soil underground conditions, are estimated to be almost 40 % higher than in others. As a result, these municipalities meet financial problems that cause overdue maintenance. In some cases municipalities are even afraid to be unable to offer a minimum service level in future. In common, traditional practice, roads and sewerage systems have been constructed in trenches that consist of sandy material that replaces the upper meters of the soft soil. Under influence of its weight, this causes accelerated settlements of the construction. A number of alternative constructions have been developed, e.g. using light-weight materials to limit settlement velocity. In order to limit future maintenance costs, improvement of maintenance strategies is desired. Tools have been and will be developed to support municipalities in improving their maintenance strategies and save money by doing that. A model (BALANS) that weighs the attractiveness of alternative solutions under different soil, environmental and economic circumstances, will be presented.
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Wulandari, Sri, and Adityo Permana Wibowo. "Development of SAW (Simple Additive Weighting) Method for Decision Support System of Sembako Price Control." International Journal of Engineering Technology and Natural Sciences 1, no. 1 (July 12, 2019): 34–41. http://dx.doi.org/10.46923/ijets.v1i1.23.
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The Supporting System The decision to control basic food prices at the fisheries and forestry service is a system designed to assist relevant agencies in seeing prices of basic necessities which tend to increase at any time. At first the relevant agencies do recap calculations by storing data and still counting manually, so it requires a longer time, with the existence of this system it is expected to be able to help and provide solutions for consideration of decision making in accordance with the right calculations. The decision support method of calculation used is the SAW method that takes the greatest value to be used as a decision-making ranking. In addition, other methods used are data collection methods by observation and interviews to identify problems in developing support systems for basic food price control decisions. Model design is described using data flow diagrams (DAD) and entity relationship diagram (ERD). The system developed is able to record, calculate and provide alternative solutions effectively for relevant agencies. With this system, agencies are expected to be able to process the calculation of basic food prices better, select more accurate decisions, and take more effective alternative solutions.
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Duan, Sophia Xiaoxia, Santoso Wibowo, and Josephine Chong. "A Multicriteria Analysis Approach for Evaluating the Performance of Agriculture Decision Support Systems for Sustainable Agribusiness." Mathematics 9, no. 8 (April 16, 2021): 884. http://dx.doi.org/10.3390/math9080884.
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Agriculture decision support systems (DSSs) play an important role in facilitating evidence-based agricultural decision-making for improving agribusiness productivity. Evaluating and selecting the most appropriate agriculture DSS for sustainable agribusiness is, however, challenging due to the existence of production and marketing alternatives, a variety of objective functions from economic to lifestyle to long-term sustainability, and the subjectiveness and imprecision involved in the evaluation process. To help decision makers effectively deal with these issues, this paper presents a multicriteria analysis approach for evaluating and selecting the most appropriate agriculture DSS for sustainable agribusiness. The subjective assessments of decision makers in the evaluation process are formulated using linguistic variables approximated by fuzzy numbers. The concept based on the positive and the negative ideal solutions is applied for producing a performance index value for every agriculture DSS alternative across all evaluation criteria based on which the most appropriate agriculture DSS is. An empirical study is presented for demonstrating the step-wise process for evaluating and selecting the most appropriate agriculture DSS for sustainable agribusiness. The outcome from the performance evaluation process allows agribusinesses to effectively adopt appropriate agriculture DSSs for achieving competitive advantages.
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Adamczyk, Arkadiusz. "Energy profiles as a method for minimizing weight of hybrid power supply systems." Zeszyty Naukowe Akademii Marynarki Wojennej, no. 1 (March 31, 2017): 5–13. http://dx.doi.org/10.5604/0860889x.1237617.
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This article presents an analysis of energy demand by a group of portable military use appliances. This analysis was used by the author to offer an solution aimed at reducing the weight of the power supply system. This solution is based on energy profiles which were derived from the analyses and measurements, and on applying appropriately modified hybrid supply sources. Catalogue data are often used in support of an analysis of performance of electronic appliances. For a user, documents prepared by a manufacturer are the main source of information concerned with the amount and quality of electric energy sources required for the appliance to work properly. Investigations carried out in real conditions often verify this data, which provides a base for seeking alternative solutions in the course of designing new sources of power, e.g. such as the ones proposed in the article.
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KUSMIWARDHANA, DANANG. "SIMULATION OF COAL HANDLING PLANT TO SUPPORT THE STABILITY OF COAL SUPPLY." Journal of Engineering and Management in Industrial System 8, no. 2 (July 10, 2020): 67–78. http://dx.doi.org/10.21776/ub.jemis.2020.008.02.6.
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PT PJB UPJ O&M PLTU Paiton is a steam power plant that uses coal as fuel for coal handling plant. However, the infrastructure conditions of PT PJB UPJ O&M PLTU Paiton do not support coal multisuppliers. The objectives of this study are to obtain a design model that can simulate coal removal systems at coal handling plant, to obtain the best options from this increasing amount and bulldozer capacity that can be a solution to the existing problems, and find out other alternative solutions that can be utilized to overcome the existing problems. The study design applies observational research using a cross-sectional approach. Observation or data collection was carried out at one time (point time approach). Based on the results of the study, the use of bulldozers in the reference model and bulldozers with a capacity of 36 tons in coalyard 2 (high rank) and 16 tons in coalyard 1 (low rank) is unable to reach the expected parameters. Solution to overcome supply parameters according to the needs of 10,000 tons/day is to provide a bulldozer with a capacity of 36 tons on the lot-hopper route at each coalyard. The alternative is to increase the number and capacity of the bulldozers in each coalyard, i.e. HR (48.48.36) and LR (48.48.48.36) with the chute-lot route, by regulating the bulldozer working shifts and by setting the time for unloading the ship.
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Marto, Marco, Keith Reynolds, José Borges, Vladimir Bushenkov, and Susete Marques. "Combining Decision Support Approaches for Optimizing the Selection of Bundles of Ecosystem Services." Forests 9, no. 7 (July 21, 2018): 438. http://dx.doi.org/10.3390/f9070438.
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This study examines the potential of combining decision support approaches to identify optimal bundles of ecosystem services in a framework characterized by multiple decision-makers. A forested landscape, Zona de Intervenção Florestal of Paiva and Entre-Douro and Sousa (ZIF_VS) in Portugal, is used to test and demonstrate this potential. The landscape extends over 14,388 ha, representing 1976 stands. The property is fragmented into 376 holdings. The overall analysis was performed in three steps. First, we selected six alternative solutions (A to F) in a Pareto frontier generated by a multiple-criteria method within a web-based decision support system (SADfLOR) for subsequent analysis. Next, an aspatial strategic multicriteria decision analysis (MCDA) was performed with the Criterium DecisionPlus (CDP) component of the Ecosystem Management Decision Support (EMDS) system to assess the aggregate performance of solutions A to F for the entire forested landscape with respect to their utility for delivery of ecosystem services. For the CDP analysis, SADfLOR data inputs were grouped into two sets of primary criteria: Wood Harvested and Other Ecosystem Services. Finally, a spatial logic-based assessment of solutions A to F for individual stands of the study area was performed with the NetWeaver component of EMDS. The NetWeaver model was structurally and computationally equivalent to the CDP model, but the key NetWeaver metric is a measure of the strength of evidence that solutions for specific stands were optimal for the unit. We conclude with a discussion of how the combination of decision support approaches encapsulated in the two systems could be further automated in order to rank several efficient solutions in a Pareto frontier and generate a consensual solution.
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Shekhar, S. "Improving the Slum Planning Through Geospatial Decision Support System." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XL-2 (November 11, 2014): 99–105. http://dx.doi.org/10.5194/isprsarchives-xl-2-99-2014.
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In India, a number of schemes and programmes have been launched from time to time in order to promote integrated city development and to enable the slum dwellers to gain access to the basic services. Despite the use of geospatial technologies in planning, the local, state and central governments have only been partially successful in dealing with these problems. The study on existing policies and programmes also proved that when the government is the sole provider or mediator, GIS can become a tool of coercion rather than participatory decision-making. It has also been observed that local level administrators who have adopted Geospatial technology for local planning continue to base decision-making on existing political processes. In this juncture, geospatial decision support system (GSDSS) can provide a framework for integrating database management systems with analytical models, graphical display, tabular reporting capabilities and the expert knowledge of decision makers. This assists decision-makers to generate and evaluate alternative solutions to spatial problems. During this process, decision-makers undertake a process of decision research - producing a large number of possible decision alternatives and provide opportunities to involve the community in decision making. The objective is to help decision makers and planners to find solutions through a quantitative spatial evaluation and verification process. The study investigates the options for slum development in a formal framework of RAY (Rajiv Awas Yojana), an ambitious program of Indian Government for slum development. The software modules for realizing the GSDSS were developed using the ArcGIS and Community -VIZ software for Gulbarga city.
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Jiang, Bolin, Bo Liang, and Shanshan Wu. "Feasibility Study on the Submerged Floating Tunnel in Qiongzhou Strait, China." Polish Maritime Research 25, s2 (August 1, 2018): 4–11. http://dx.doi.org/10.2478/pomr-2018-0066.
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Abstract Currently, one of the challenging tasks for Chinese engineering community is to construct a water-way crossing of Qiongzhou Strait in the south of China. This project has also gained significant attention from researchers in academia. The study presented herein is centered on providing a feasible solution for ac-complishing the above mentioned task. Initially, different alternatives as the best location, judged on the basis of the environmental constraints, are studied. Then the comparison between various structural solutions such as suspension bridge, submarine tunnel and SFT is presented. Among these solutions, SFT appears to be a very suitable alternative for Qiongzhou Strait waterway crossing due to distinctive advantages, like shorter distance, lower cost, less impact on environment and navigation, etc. Based on the appropriate conception for cross sections, support systems, materials, joints and connection schemes, a numerical model is developed by means of the FEM software ANSYS/Fluent. It is then analyzed under the influence of different environmental loading conditions, varying the wave heights and lengths, current velocities and water depths, which are typical in Qiongzhou Strait. The numerical results reveal that the proposed SFT solution performs safely even under extreme weather conditions.
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Fang, Zhemei, Xiaozhou Zhou, and Ani Song. "Architectural Models Enabled Dynamic Optimization for System-of-Systems Evolution." Complexity 2020 (February 21, 2020): 1–14. http://dx.doi.org/10.1155/2020/7534819.
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System of Systems (SoS) is designed to deliver value to participant stakeholders in a dynamic and uncertain environment where new systems are added and current systems are removed continuously and on their own volition. This requires effective evolution management at the SoS architectural level with adequate support of process, methods, and tools. This paper follows the principle of Model-Based Systems Engineering (MBSE) and develops a holistic framework integrating MBSE conceptual representations and approximate dynamic programming (ADP) to support the SoS evolution. The conceptual models provide a common architectural representation to improve communication between various decision makers while the dynamic optimization method suggests evolution planning decisions from the analytical perspective. The Department of Defense Architecture Framework (DoDAF) models using Systems Modeling Language (SysML) are used as MBSE artifacts to connect with ADP modeling elements through DoDAF metamodels to increase information traceability and reduce unnecessary information loss. Using a surface warfare SoS as an example, this paper demonstrates and explains the procedures of developing DoDAF models, mapping DoDAF models to ADP elements, formulating ADP formulation, and generating evolutionary decisions. The effectiveness of using ADP in supporting evolution to achieve a near-optimal solution that can maximize the SoS capability over time is illustrated by comparing ADP solution to other alternative solutions. The entire framework also sheds light on bridging the DoDAF-based conceptual models and other mathematical optimization methods.
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Huang, Zaitang. "Dynamics of Stochastic Coral Reefs Model with Multiplicative Nonlinear Noise." Discrete Dynamics in Nature and Society 2016 (2016): 1–15. http://dx.doi.org/10.1155/2016/7848793.
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Little seems to be known about the ergodicity of random dynamical systems with multiplicative nonlinear noise. This paper is devoted to discern asymptotic behavior dynamics through the stochastic coral reefs model with multiplicative nonlinear noise. By support theorem and Hörmander theorem, the Markov semigroup corresponding to the solutions is to prove the Foguel alternative. Based on boundary distributions theory, the required conservative operators related to the solutions are further established to ensure the existence a stationary distribution. Meanwhile, the density of the distribution of the solutions either converges to a stationary density or weakly converges to some probability measure.
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Molecki, Adam. "Presentation of electromobility solutions at Volvo factory." AUTOBUSY – Technika, Eksploatacja, Systemy Transportowe 18, no. 10 (October 31, 2017): 34–36. http://dx.doi.org/10.24136/atest.2017.039.
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On the 26th of September this year, at the Volvo factory in Wroclaw, was presentation of hybrids, electric-hybrid and electric buses. There have been presented support for the development of alternatives for conventional bus systems. However they are perfectly aligned to the Government’s Electromobility Development Plan, were result of independent company’s strategy.
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Zavadskas, Edmundas Kazimieras, Altūras Kaklauskas, and Andrius Gulbinas. "MULTIPLE CRITERIA DECISION SUPPORT WEB‐BASED SYSTEM FOR BUILDING REFURBISHMENT." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 10, no. 1 (March 31, 2004): 77–85. http://dx.doi.org/10.3846/13923730.2004.9636289.
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In order to design and realise an efficient building refurbishment, it is necessary to carry out an exhaustive investigation of all solutions that form it, ie planimetric and volumetric changes, the elimination of building deterioration and obsolescence, the improvement of architectural and aesthetic appearance and indoor environmental quality, etc). The efficiency level of the considered building's refurbishment depends on many factors, including cost of refurbishment, annual fuel economy after refurbishment, tentative pay‐back time, harm to health of the materials used, aesthetics, maintenance properties, functionality, comfort, sound insulation and longevity, etc. Solutions of an alternative character allow for a more rational and realistic assessment of economic, ecological, legislative, climatic, social and political conditions, traditions and for better satisfaction of architectural, comfort, functional, maintenance and other customer's requirements. They also enable one to cut down on refurbishment costs. The selection of a refurbishment version mostly depends on the needs and existing financial capability of tenants. Based on an analysis of the existing neural networks, information, expert and decision support systems and in order to determine the most efficient versions of building refurbishment, a Multiple Criteria Decision Support Web‐Based System for Building Refurbishment (BR‐DSS) consisting of a database, database management system, model‐base, model‐base management system and a user interface was developed. The developed BR‐DSS and its practical application are described in the paper. Basing oneself on the developed system and database, it is possible to perform the alternative design of a building's refurbishment, multiple criteria analysis and make the selection of the most efficient versions, etc.
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Goharian, Erfan, and Steven J. Burian. "Developing an integrated framework to build a decision support tool for urban water management." Journal of Hydroinformatics 20, no. 3 (February 8, 2018): 708–27. http://dx.doi.org/10.2166/hydro.2018.088.
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Abstract This paper presents an integrated, computer-based generic framework to couple urban water related models into a decision support tool (DST) for urban-water management. The DST, built on a participatory modelling approach, enables stakeholders to analyze impacts of climate variation, population growth, and alternative management solutions ranging from centralized to distributed options. The coupling of external models, building of the DST, and execution of simulation processes is achieved by employing GoldSim, which is linked to a database management tool and a shared library. A post-processing package generates outcomes for decision makers in the form of a new criterion, the Water System Performance Index (WSPI). The application of DST is demonstrated for the water service area of the Salt Lake City Department of Public Utilities (SLCDPU). Results show that a decentralized alternative increases the reliability of the system without changing the system's vulnerability. Centralized alternative improves the overall performance of the system based on WSPI results, but decrease in performance is still noticeable under the hot and dry climate condition. Overall, the system is very sensitive to changes in climatic conditions. Results show that during droughts, supply management is not the sole solution and compulsory demand-management practices should be instigated.
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Nasution, Amatillah, and Kurnia Ulfa. "Sistem Pendukung Keputusan Kelayakan Pemberian Asuransi Jiwa Untuk Nelayan dengan Menggunakan Metode Vikor (Studi Kasus: Dinas Kelautan dan Perikanan Medan)." Jurnal Sistem Komputer dan Informatika (JSON) 1, no. 3 (May 20, 2020): 220. http://dx.doi.org/10.30865/json.v1i3.2162.
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Life insurance is a term used to refer to actions, systems, or businesses in which financial protection (or financial compensation) for life, property, health and so on gets reimbursed from unexpected events that can occur such as death , loss, damage or illness, which involves regular premium payments over a period of time in exchange for a policy that guarantees such protection. The term "insured" usually refers to everything that gets protection. Decision Support System is defined a system intended to support management decision making, Decision making is the main function of a manager or administrator. Decision making activities include identifying problems, finding alternative solutions to problems, evaluating these alternatives and choosing the best decision alternatives. The Vise Kriterijumska Optimazacija Kompromisno Resenje (VIKOR) method is one of the methods used in decision making. To use the decision support system method must have criteria that will be used in the determination, in addition it must determine the level of importance of each criterion. So the decision support system used must also have comprehensive and integrated planning to minimize the level of risk of failure and decision selection
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Elsahar, Yasmin, Sijung Hu, Kaddour Bouazza-Marouf, David Kerr, and Annysa Mansor. "Augmentative and Alternative Communication (AAC) Advances: A Review of Configurations for Individuals with a Speech Disability." Sensors 19, no. 8 (April 22, 2019): 1911. http://dx.doi.org/10.3390/s19081911.
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High-tech augmentative and alternative communication (AAC) methods are on a constant rise; however, the interaction between the user and the assistive technology is still challenged for an optimal user experience centered around the desired activity. This review presents a range of signal sensing and acquisition methods utilized in conjunction with the existing high-tech AAC platforms for individuals with a speech disability, including imaging methods, touch-enabled systems, mechanical and electro-mechanical access, breath-activated methods, and brain–computer interfaces (BCI). The listed AAC sensing modalities are compared in terms of ease of access, affordability, complexity, portability, and typical conversational speeds. A revelation of the associated AAC signal processing, encoding, and retrieval highlights the roles of machine learning (ML) and deep learning (DL) in the development of intelligent AAC solutions. The demands and the affordability of most systems hinder the scale of usage of high-tech AAC. Further research is indeed needed for the development of intelligent AAC applications reducing the associated costs and enhancing the portability of the solutions for a real user’s environment. The consolidation of natural language processing with current solutions also needs to be further explored for the amelioration of the conversational speeds. The recommendations for prospective advances in coming high-tech AAC are addressed in terms of developments to support mobile health communicative applications.
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Vrana, I., and J. Vrána. "Approach to comparing complex software implementation methods." Agricultural Economics (Zemědělská ekonomika) 51, No. 2 (February 20, 2012): 84–92. http://dx.doi.org/10.17221/5081-agricecon.
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Some of agriculture-food sector information systems are characterised by a high complexity and a large size. There are often many alternative solutions or technologies (implementation methods) and more then one possible way or approach to an information system design. Individual alternatives could considerably differ by their properties, e.g. costs of design of initial functionality, development and operational costs, run-time costs and technical parameters of the resulting information system (e.g. the access time). Unfortunately, existing metrics for quantification of this task usually do not deliver precise results but a rough estimate depending on many variable conditions. The paper will outline typical implementation methods and show approaches to assessment and comparison of certain types of properties of information systems for a computer support for management of large data systems, which use relational database. Authors presented part of these results also at the Agrarian Perspectives conference 2004 in the Applied Informatics session (Vrana I., Vrána J. 2004).
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Ettazi, Widad, Mahmoud Nassar, and Hatim Hafiddi. "CATS-CAE Reflective Middleware Framework for Adapting Context-Aware Transactional Services." International Journal of Web Services Research 17, no. 2 (April 2020): 40–58. http://dx.doi.org/10.4018/ijwsr.2020040103.
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Pervasive environments are characterized by limited computing resources and wireless connectivity. In parallel, current application domains have variable transactional requirements that do not fit the traditional ACID model. As a result, the pervasive environment characteristics are compelling and cannot be supported by conventional solutions that are typically dedicated to a specific application domain and support a limited set of context parameters. This article aims at providing a complete solution that addresses the challenges of the adaptability of context-aware transactional services “CATS” in pervasive environments. Thus, a new framework CATS-CAE was designed, which offers a comprehensive structure of multiple component chains. The adaptation strategy in CATS-CAE is based on a hybrid approach combining the use of adaptation policies, alternative strategy and behavioral adaptation of composite services through the “Profiled Task Class” concept. A probabilistic model is also presented to support the efficiency of the proposed approach.
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Dubber, Donata, Francesco Pilla, David Smyth, Nadeem Qazi, Tim McCarthy, and Laurence W. Gill. "Development of a geographic information system-based decision support toolset to assess the feasibility of on-site wastewater treatment and disposal options in low permeability subsoils." Water Science and Technology 70, no. 3 (May 27, 2014): 464–71. http://dx.doi.org/10.2166/wst.2014.244.
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Traditional on-site wastewater treatment systems have proven to be unsuitable in areas of low permeability subsoils, representing a risk to human health and the environment. With large areas being covered by low permeability tills, Ireland needs to consider alternative treatment and disposal options to be able to allow further development in these areas and to deal with polluting legacy sites. The paper describes the development and structure of a geographic information system (GIS)-based decision support toolset to evaluate possible alternative strategies for these sites. The programme takes as its initial input the location of an existing house located in an area of low permeability subsoils. Through a series of interconnected GIS geoprocesses the model outputs appropriate solutions for a site, ranking them in terms of environmental sustainability and cost. However, the final decisions are still dependent on on-site constraints so that each solution is accompanied by an alert message that provides additional information for the user to refine the output list according to the available local site-specific information.
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Yigitbasioglu, Ogan M. "The role of institutional pressures and top management support in the intention to adopt cloud computing solutions." Journal of Enterprise Information Management 28, no. 4 (July 13, 2015): 579–94. http://dx.doi.org/10.1108/jeim-09-2014-0087.
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Purpose – While many studies have predominantly looked at the benefits and risks of cloud computing, little is known whether and to what extent institutional forces play a role in cloud computing adoption. The purpose of this paper is to explore the role of institutional factors in top management team’s (TMT’s) decision to adopt cloud computing services. Design/methodology/approach – A model is developed and tested with data from an Australian survey using the partial least squares modeling technique. Findings – The results suggest that mimetic and coercive pressures influence TMT’s beliefs in the benefits of cloud computing. The results also show that TMT’s beliefs drive TMT’s participation, which in turn affects the intention to increase the adoption of cloud computing solutions. Research limitations/implications – Future studies could incorporate the influences of local actors who might also press for innovation. Practical implications – Given the influence of institutional forces and the plethora of cloud-based solutions on the market, it is recommended that TMTs exercise a high degree of caution when deciding for the types of applications to be outsourced as organizational requirements in terms of performance and security will differ. Originality/value – The paper contributes to the growing empirical literature on cloud computing adoption and offers the institutional framework as an alternative lens with which to interpret cloud-based information technology outsourcing.
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Predescu, Alexandru, Diana Arsene, Bogdan Pahonțu, Mariana Mocanu, and Costin Chiru. "A Serious Gaming Approach for Crowdsensing in Urban Water Infrastructure with Blockchain Support." Applied Sciences 11, no. 4 (February 5, 2021): 1449. http://dx.doi.org/10.3390/app11041449.
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This paper presents the current state of the gaming industry, which provides an important background for an effective serious game implementation in mobile crowdsensing. An overview of existing solutions, scientific studies and market research highlights the current trends and the potential applications for citizen-centric platforms in the context of Cyber–Physical–Social systems. The proposed solution focuses on serious games applied in urban water management from the perspective of mobile crowdsensing, with a reward-driven mechanism defined for the crowdsensing tasks. The serious game is designed to provide entertainment value by means of gamified interaction with the environment, while the crowdsensing component involves a set of roles for finding, solving and validating water-related issues. The mathematical model of distance-constrained multi-depot vehicle routing problem with heterogeneous fleet capacity is evaluated in the context of the proposed scenario, with random initial conditions given by the location of players, while the Vickrey–Clarke–Groves auction model provides an alternative to the centralized task allocation strategy, subject to the same evaluation method. A blockchain component based on the Hyperledger Fabric architecture provides the level of trust required for achieving overall platform utility for different stakeholders in mobile crowdsensing.
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Ascari, Rúbia Eliza de Oliveira Schultz, Roberto Pereira, and Luciano Silva. "Mobile Interaction for Augmentative and Alternative Communication: a Systematic Mapping." Journal on Interactive Systems 9, no. 2 (August 29, 2018): 1. http://dx.doi.org/10.5753/jis.2018.704.
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Verbal communication is essential for socialization, meaning construction and knowledge sharing in a society. When verbal communication does not occur naturally because of constraints in people’s and environments capabilities, it is necessary to design alternative means. Augmentative and Alternative Communication (AAC) aims to complement or replace speech to compensate difficulties of verbal expression. AAC systems can provide technological support for people with speech disorders, assisting in the inclusion, learning and sharing of experiences. This paper presents a systematic mapping of the literature to identify research initiatives regarding the use of mobile devices and AAC solutions. The search identified 1366 potentially eligible scientific articles published between 2006 and 2016, indexed by ACM, IEEE, Science Direct, and Springer databases and by the SBC Journal on Interactive Systems. From the retrieved papers, 99 were selected and categorized into themes of research interest: games, autism, usability, assistive technology, AAC, computer interfaces, interaction in mobile devices, education, among others. Most of papers (57 out of 99) presented some form of interaction via mobile devices, and 46 papers were related to assistive technology, from which 14 were related to AAC. The results offer an overview on the applied research on mobile devices for AAC, pointing out to opportunities and challenges in this research domain, with emphasis on the need to promoting the use and effective adoption of assistive technology.
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Borelli, Teresa, Danny Hunter, Stefano Padulosi, Nadezda Amaya, Gennifer Meldrum, Daniela Moura de Oliveira Beltrame, Gamini Samarasinghe, et al. "Local Solutions for Sustainable Food Systems: The Contribution of Orphan Crops and Wild Edible Species." Agronomy 10, no. 2 (February 5, 2020): 231. http://dx.doi.org/10.3390/agronomy10020231.
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Calls for a global food system transformation and finding more sustainable ways of producing healthier, safe and nutritious food for all have spurred production approaches such as sustainable intensification and biofortification with limited consideration of the copious amounts of orphan crops, traditional varieties and wild edible species readily available in many countries, mostly in and around smallholder farmers’ fields. This paper explores the potential role of locally available; affordable and climate-resilient orphan crops, traditional varieties and wild edible species to support local food system transformation. Evidence from Brazil, Kenya, Guatemala, India, Mali, Sri Lanka and Turkey is used to showcase a three-pronged approach that aims to: (i) increase evidence of the nutritional value and biocultural importance of these foods, (ii) better link research to policy to ensure these foods are considered in national food and nutrition security strategies and actions, and (iii) improve consumer awareness of the desirability of these alternative foods so that they may more easily be incorporated in diets, food systems and markets. In the seven countries, this approach has brought about positive changes around increasing community dietary diversity and increasing market opportunities for smallholder growers, as well as increased attention to biodiversity conservation.
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Hammami, Helmi, and Hassouna Fedhila. "Accounting education in developing countries: can accounting expert systems be an alternative/support solution to instructor-based teaching?" Afro-Asian J. of Finance and Accounting 1, no. 4 (2009): 353. http://dx.doi.org/10.1504/aajfa.2009.028914.
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Barros, Fernando J. "Modular representation of asynchronous geometric integrators with support for dynamic topology." SIMULATION 94, no. 3 (June 22, 2017): 259–74. http://dx.doi.org/10.1177/0037549717714613.
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Geometric integrators play an essential role for simulating second-order energy preserving systems, offering an alternative to the decomposition of systems into first-order Ordinary Differential Equations. This approach, although commonly used nowadays in modeling and simulation software, is not acceptable when long simulation runs are required. In this work we develop a modular representation of geometric, adaptive step-size integrators using the Heterogeneous Flow Systems Specification (HyFlow) formalism. Modularity is achieved in HyFlow through the use of an explicit definition of sampling that is treated as a first-order construct, enabling a novel representation of continuous systems and their seamless integration. We show that the HyFlow representation enables the interoperability of geometrical integrators with other families of models including, for example, conventional integrators, enhancing the ability to represent complex systems. HyFlow sampling enables geometric integrators to operate asynchronously, contributing to simulation efficiency by allowing the sampling rate to de defined independently by each component. We demonstrate that HyFlow-based geometric integrators can be used to model systems with a dynamic topology. In addition, we show that the modifying model topology at run-time can provide an effective solution to some systems exhibiting Zeno behavior.
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Neves, Pedro, Luis Ribeiro, João Dias-Ferreira, Mauro Onori, and José Barata Oliveira. "Layout validation and re-configuration in Plug&Produce systems." Assembly Automation 36, no. 4 (September 5, 2016): 412–28. http://dx.doi.org/10.1108/aa-12-2015-119.
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Purpose This paper aims to provide a method and decision support tool to enhance swift reconfiguration of Plug&Produce (P&P) systems in the presence of continuously changing production orders. Design/methodology/approach The paper reviews different production scenarios and system design and configuration methods and more particularly specifies the need of decision support tools for P&P systems that integrate configuration and planning activities. This problem is then addressed by proposing a method that helps reduce the solution space of the reconfiguration problem and allows the timely selection of the most promising reconfiguration alternative. Findings The proposed method was found to be helpful in reducing the reconfiguration alternatives that need to be considered and in selecting the most promising one for different orders. The advantages and limitations of this method are identified, and an illustrative test case of the approach is presented, corroborating the method applicability in the absence of large queues in the system. Originality/value This paper addresses a less explored domain within the P&P systems research field, which is the system reconfiguration. It proposed a method to support system validation and reconfiguration jointly with an illustrative test case. This represents an original contribution to the P&P research field, and it can have impact in improving agility and decreasing the complexity of reconfiguration activities to cope with constantly changing production orders.
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Gomes, Carlos Francisco Simões. "Using MCDA methods THOR in an application for outranking the ballast water management options." Pesquisa Operacional 25, no. 1 (April 2005): 11–28. http://dx.doi.org/10.1590/s0101-74382005000100002.
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The Multicriteria Analysis Methodology has been developed in order to support and guide decision-makers in the evaluation and selection of alternatives/solutions. In this case, it is used to compare alternatives for the management ballast water (BW) exchange systems and treatment methods.
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Carreno, Alvaro, Marcelo Perez, Carlos Baier, Alex Huang, Sanjay Rajendran, and Mariusz Malinowski. "Configurations, Power Topologies and Applications of Hybrid Distribution Transformers." Energies 14, no. 5 (February 24, 2021): 1215. http://dx.doi.org/10.3390/en14051215.
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Distribution systems are under constant stress due to their highly variable operating conditions, which jeopardize distribution transformers and lines, degrading the end-user service. Due to transformer regulation, variable loads can generate voltage profiles out of the acceptable bands recommended by grid codes, affecting the quality of service. At the same time, nonlinear loads, such as diode bridge rectifiers without power factor correction systems, generate nonlinear currents that affect the distribution transformer operation, reducing its lifetime. Variable loads can be commonly found at domiciliary levels due to the random operation of home appliances, but recently also due to electric vehicle charging stations, where the distribution transformer can cyclically vary between no-load, rated and overrated load. Thus, the distribution transformer can not safely operate under highly-dynamic and stressful conditions, requiring the support of alternative systems. Among the existing solutions, hybrid transformers, which are composed of a conventional transformer and a power converter, are an interesting alternative to cope with several power quality problems. This article is a review of the available literature about hybrid distribution transformers.
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Leong, T. Y., K. Kaiser, and S. Miksch. "Section 5: Decision Support, Knowledge Representation and Management: Free and Open Source Enabling Technologies for Patient-Centric, Guideline-Based Clinical Decision Support: A Survey." Yearbook of Medical Informatics 16, no. 01 (August 2007): 74–86. http://dx.doi.org/10.1055/s-0038-1638529.
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SummaryGuideline-based clinical decision support is an emerging paradigm to help reduce error, lower cost, and improve quality in evidence-based medicine. The free and open source (FOS) approach is a promising alternative for delivering cost-effective information technology (IT) solutions in health care. In this paper, we survey the current FOS enabling technologies for patient-centric, guideline-based care, and discuss the current trends and future directions of their role in clinical decision support.We searched PubMed, major biomedical informatics websites, and the web in general for papers and links related to FOS health care IT systems. We also relied on our background and knowledge for specific subtopics. We focused on the functionalities of guideline modeling tools, and briefly examined the supporting technologies for terminology, data exchange and electronic health record (EHR) standards.To effectively support patient-centric, guideline-based care, the computerized guidelines and protocols need to be integrated with existing clinical information systems or EHRs. Technologies that enable such integration should be accessible, interoperable, and scalable. A plethora of FOS tools and techniques for supporting different knowledge management and quality assurance tasks involved are available. Many challenges, however, remain in their implementation.There are active and growing trends of deploying FOS enabling technologies for integrating clinical guidelines, protocols, and pathways into the main care processes. The continuing development and maturation of such technologies are likely to make increasingly significant contributions to patient-centric, guidelinebased clinical decision support.
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Stupak, Radosław, and Bartłomiej Dobroczyński. "From Mental Health Industry to Humane Care. Suggestions for an Alternative Systemic Approach to Distress." International Journal of Environmental Research and Public Health 18, no. 12 (June 20, 2021): 6625. http://dx.doi.org/10.3390/ijerph18126625.
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The article proposes a rough outline of an alternative systemic approach to mental health issues and of a more humane mental health care system. It suggests focusing on understanding mental distress as stemming from problems in living, using medications as agents facilitating psychotherapy, or as a last resort and short-term help, according to the principles of harm reduction. It argues that understanding drugs as psychoactive substances and studying the subjective effects they produce could lead to better utilization of medications and improvements in terms of conceptualizing and assessing treatment effects. Qualitative research could be particularly useful in that regard. It also advocates a radical departure from current diagnostic systems and proposes a synthesis of already existing alternatives to be used for both research and clinical purposes. Accordingly, a general idea for an alternative mental health care system, based on a combination of Open Dialogue Approach, Soteria houses, individual and group psychotherapy, cautious prescribing, services helping with drug discontinuation, peer-led services and social support is presented. The proposition could be seen as a first step towards developing a systemic alternative that could replace the currently dominating approach instead of focusing on implementing partial solutions that can be co-opted by the current one.
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Gaigole, Mayur, and Nilay Khere. "Web-Base Group Decision Support System for Information Security Decision Making in Case of Indian E-Government Systems." Advanced Materials Research 403-408 (November 2011): 954–62. http://dx.doi.org/10.4028/www.scientific.net/amr.403-408.954.
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This paper presents a web base multicriteria group decision support system for evaluating information security policy decision making with respect to Indian e-government system. This study first proposes a rational-political group decision-making model which identifies three uncertain factors involved in a group decision-making process: decision maker’s roles in a group reaching a satisfactory solution, preferences for alternatives and judgments for assessment criteria. Based on the model, a linguistic term oriented multi criteria group decision-making method is developed. The method uses general fuzzy number to deal with the three uncertain factors described by linguistic terms and aggregates these factors into a group satisfactory decision that is in a most acceptable degree of the group. Moreover, this study implements the method by developing a web-based group decision support system. This system allows decision makers to participate a group decision-making through the web, and manages the group decision-making process as a whole, from criteria generation, alternative evaluation, opinions interaction to decision aggregation. An information security decision making problem is presented to demonstrate the effectiveness of the approach.
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Gaddah, Abdulbaset, and Thomas Kunz. "EXtending Mobility to Publish/Subscribe Systems Using a Pro-Active Caching Approach." Mobile Information Systems 6, no. 4 (2010): 293–324. http://dx.doi.org/10.1155/2010/130137.
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The publish/subscribe communication paradigm has many characteristics that lend themselves well to mobile wireless networks. Our research investigates the extension of current publish/subscribe systems to support subscriber mobility in such networks. We present a novel mobility management scheme based on a pro-active caching approach to overcome the challenges and the performance concerns of disconnected operations in publish/subscribe systems. We discuss the mechanism of our proposed scheme and present a comprehensive experimental evaluation of our approach and alternative state-of-the-art solutions based on reactive approaches and durable subscriptions. The obtained results illustrate significant performance benefits of our proposed scheme across a range of scenarios. We conclude our work by discussing a modeling approach that can be used to extrapolate the performance of our approach in a near-size environment (in terms of broker network and/or subscriber population) to our experimental testbed.
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Nasyuha, Asyahri Hadi. "Sistem Pendukung Keputusan Menentukan Pemberian Pinjaman Modal dengan Metode Multi Attribute Utility Theory." JURNAL MEDIA INFORMATIKA BUDIDARMA 3, no. 2 (April 14, 2019): 117. http://dx.doi.org/10.30865/mib.v3i2.1093.
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Technology development is very rapid, computers are utilized not only limited to data processing but also as solutions to problem solving in various fields of science, one of which is a decision support system. Decision support systems have added value in helping decision making by utilizing data and models to solve unstructured problems. In this case the decision support system is used to determine business capital borrowing using the Multi Attibute Utility Theory method. From the research carried out, many people have proposed business capital loans so that the capital provider is difficult to determine the prospective acceptance of appropriate business capital. Multi Attribute Utility Theory is used to find weighted sums of performance ratings for each alternative based on the values of each criterion. Ranking is the result of calculations using the Multi Attribute Utility Theory method.
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APAK, Sinan, and Sami ERCAN. "Simulation Based Optimization for World Line Card Production System." An International Journal of Optimization and Control: Theories & Applications (IJOCTA) 2, no. 2 (May 28, 2012): 95–104. http://dx.doi.org/10.11121/ijocta.01.2012.00107.
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Simulation based decision support system is one of the commonly used tool to examine complex production systems. The simulation approach provides process modules which can be adjusted with certain parameters by using data relatively easily obtainable in production process. World Line Card production system simulation is developed to evaluate the optimality of existing production line via using discrete event simulation model with variaty of alternative proposals. The current production system is analysed by a simulation model emphasizing the bottlenecks and the poorly utilized production line. Our analysis identified some improvements and efficient solutions for the existing system.
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Pan, Yinghui, Jing Tang, Biyang Ma, Yifeng Zeng, and Zhong Ming. "Toward data-driven solutions to interactive dynamic influence diagrams." Knowledge and Information Systems 63, no. 9 (August 8, 2021): 2431–53. http://dx.doi.org/10.1007/s10115-021-01600-5.
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AbstractWith the availability of significant amount of data, data-driven decision making becomes an alternative way for solving complex multiagent decision problems. Instead of using domain knowledge to explicitly build decision models, the data-driven approach learns decisions (probably optimal ones) from available data. This removes the knowledge bottleneck in the traditional knowledge-driven decision making, which requires a strong support from domain experts. In this paper, we study data-driven decision making in the context of interactive dynamic influence diagrams (I-DIDs)—a general framework for multiagent sequential decision making under uncertainty. We propose a data-driven framework to solve the I-DIDs model and focus on learning the behavior of other agents in problem domains. The challenge is on learning a complete policy tree that will be embedded in the I-DIDs models due to limited data. We propose two new methods to develop complete policy trees for the other agents in the I-DIDs. The first method uses a simple clustering process, while the second one employs sophisticated statistical checks. We analyze the proposed algorithms in a theoretical way and experiment them over two problem domains.
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Wyse, Donald L. "New Technologies and Approaches for Weed Management in Sustainable Agriculture Systems." Weed Technology 8, no. 2 (June 1994): 403–7. http://dx.doi.org/10.1017/s0890037x00039014.
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Weed science has a long history of solving weed management problems for farmers. Over the last four decades most of the solutions to weed problems have been based on herbicide technology. Thus, most crop production systems in the United States rely heavily on herbicides as the primary method of weed management. During the last decade environmentalists, farmers, agricultural scientists, policy makers, and the general public have begun to question the long-term sustainability of conventional farming systems. The sustainability of these systems is being questioned because of environmental, social, and economic concerns caused by global competition, cost of production, soil erosion, water pollution, and concern over the quality of rural life. Weeds are the major deterrent to the development of more sustainable agriculture systems. Since weeds dictate most of the crop production practices (e.g., tillage, herbicides, cultivation, row spacing) weed scientists must become the leaders of collaborative integrated approaches to agriculture systems research. New crop production systems must be developed that are less destructive to the environment, are profitable, conserve energy, and support rural community development. The goal is to facilitate the development of ecologically based alternative methods of weed management that will support crop production systems that require less tillage and herbicide inputs. To accomplish this goal, research efforts must be radically expanded in weed/crop ecology and in the development of ecologically based technologies for weed management.
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Finochietto, Mariano, Gabriel M. Eggly, Rodrigo Santos, Javier Orozco, Sergio F. Ochoa, and Roc Meseguer. "A Role-Based Software Architecture to Support Mobile Service Computing in IoT Scenarios." Sensors 19, no. 21 (November 5, 2019): 4801. http://dx.doi.org/10.3390/s19214801.
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The interaction among components of an IoT-based system usually requires using low latency or real time for message delivery, depending on the application needs and the quality of the communication links among the components. Moreover, in some cases, this interaction should consider the use of communication links with poor or uncertain Quality of Service (QoS). Research efforts in communication support for IoT scenarios have overlooked the challenge of providing real-time interaction support in unstable links, making these systems use dedicated networks that are expensive and usually limited in terms of physical coverage and robustness. This paper presents an alternative to address such a communication challenge, through the use of a model that allows soft real-time interaction among components of an IoT-based system. The behavior of the proposed model was validated using state machine theory, opening an opportunity to explore a whole new branch of smart distributed solutions and to extend the state-of-the-art and the-state-of-the-practice in this particular IoT study scenario.
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Bures, Miroslav, Bestoun S. Ahmed, and Kamal Z. Zamli. "Prioritized Process Test: An Alternative to Current Process Testing Strategies." International Journal of Software Engineering and Knowledge Engineering 29, no. 07 (July 2019): 997–1028. http://dx.doi.org/10.1142/s0218194019500335.
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Testing processes and workflows in information and Internet of Things systems is a major part of the typical software testing effort. Consistent and efficient path-based test cases are desired to support these tests. Because certain parts of software system workflows have a higher business priority than others, this fact has to be involved in the generation of test cases. In this paper, we propose a Prioritized Process Test (PPT), which is a model-based test case generation algorithm that represents an alternative to currently established algorithms that use directed graphs and test requirements to model the system under test. The PPT accepts a directed multigraph as a model to express priorities, and edge weights are used instead of test requirements. To determine the test-coverage level of test cases, a test-depth-level concept is used. We compared the presented PPT with five alternatives (i.e. the Process Cycle Test (PCT), a naive reduction of test set created by the PCT, Brute Force algorithm, Set-covering-Based Solution and Matching-based Prefix Graph Solution) for edge coverage and edge-pair coverage. To assess the optimality of the path-based test cases produced by these strategies, we used 14 metrics based on the properties of these test cases and 59 models that were created for three real-world systems. For all edge coverage, the PPT produced more optimal test cases than the alternatives in terms of the majority of the metrics. For edge-pair coverage, the PPT strategy yielded similar results to those of the alternatives. Thus, the PPT strategy is an applicable alternative as it reflects both the required test coverage level and the business priority in parallel.
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Isorna Llerena, F., E. López González, J. J. Caparrós Mancera, F. Segura Manzano, and J. M. Andújar. "Hydrogen vs. Battery-Based Propulsion Systems in Unipersonal Vehicles—Developing Solutions to Improve the Sustainability of Urban Mobility." Sustainability 13, no. 10 (May 20, 2021): 5721. http://dx.doi.org/10.3390/su13105721.
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The percentage of the population in urban areas has increased by ten points from 2000 (46%) to 2020 (56%); it is expected to reach up to 70% by 2050. This undoubtedly will encourage society to use alternative transports. On the other hand, the widespread fear of pandemics seems to be here to stay, and it is causing most people to leave public transport to use private cars, and a few have chosen unipersonal electric vehicles. As a consequence, the decision of using private cars negatively affects the air quality, and consequently urban population health. This paper aims to demonstrate a sustainable solution for urban mobility based on a hydrogen powered unipersonal electric vehicle, which, as shown, provides great advantages over the conventional battery powered unipersonal electric vehicle. To show this, the authors have developed both vehicles in comparable versions, using the same platform, and ensuring that the total weight of the unipersonal electric vehicle was the same in both cases. They have been subjected to experimental tests that support the features of the hydrogen-based configuration versus the battery-based one, including higher specific energy, more autonomy, and shorter recharge time.
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Kaklauskas, Arturas, Gintautas Dzemyda, Laura Tupenaite, Ihar Voitau, Olga Kurasova, Jurga Naimaviciene, Yauheni Rassokha, and Loreta Kanapeckiene. "Artificial Neural Network-Based Decision Support System for Development of an Energy-Efficient Built Environment." Energies 11, no. 8 (August 1, 2018): 1994. http://dx.doi.org/10.3390/en11081994.
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Implementing energy-efficient solutions in a built environment is important for reaching international energy reduction targets. For advanced energy efficiency-related solutions, computer-based decision support systems are proposed and rapidly used in a variety of spheres relevant to a built environment. Present research proposes a novel artificial neural network-based decision support system for development of an energy-efficient built environment. The system was developed by integrating methods of the multiple criteria evaluation and multivariant design, determination of project utility and market value, and visual data mining by artificial neural networks. It enables a user to compose up to 100,000,000 combinations of the energy-efficient solutions, analyze strengths and weaknesses of a built environment projects, provide advice for stakeholders, and calculate market value and utility degree of the projects. For visual data mining, self-organizing maps (type neural networks) are used, which may influence the choosing of the final set of alternatives and criteria in the decision-making problem, taking into account the discovered similarities of alternatives or criteria. A system was validated by the real case study on the design of an energy-efficient individual house.
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Alawiah, Enok Tuti, and Sefrika Sefrika. "DECISION SUPPORT SYSTEM FOR PROVISION OF NATURAL DISASTER VICTIM LOGISTIC ASSISTANCE WITH TOPSIS METHOD." Jurnal Riset Informatika 2, no. 2 (March 15, 2020): 55–60. http://dx.doi.org/10.34288/jri.v2i2.118.
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At the beginning of 2020 there was a natural disaster that caused many people to lose their homes, damage to public facilities and infrastructure, as well as the breakdown of transportation links connecting villagers, especially in 3 districts namely Sukajaya, Nanggung, and Cigudeg. As a result of the disaster, many villages are isolated and residents need a lot of logistical support to meet their needs. To overcome these problems, we need a system that can help the government and volunteers who are interested in the decision making the process so that the provision of assistance for victims of natural disasters can be right on target and in accordance with the urgency of basic needs and logistics needed. Decision support systems using the TOPSIS method are used to solve multi-criteria problems by offering various alternative solutions to solve problems. The results obtained a final preference value of 0.68 from C3 criteria in order to prioritize residents with closed transportation access to channel disaster relief funds for victims of natural disasters in Bogor Regency.
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Machado, Leandro Medeiros de Almeida, Felipe José Lopes Rita, and Carlos Henrique da Silva Santos. "Mobile and cloud based systems proposal for a centralized management of educational institutions." Independent Journal of Management & Production 8, no. 2 (June 1, 2017): 271. http://dx.doi.org/10.14807/ijmp.v8i2.540.
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The computational technological efforts towards a centralized data storage and processing have contributed to provide more sustainable solutions under the environmental, administrative and business perspectives. However, it is not yet worldwide adopted by public institutions, specially, in the Brazilian educational systems, where these technological models are still under constant discussions and development. In this sense, this work presents a brief survey about cloud and mobile integrated technologies and their possible contributions to support a centralized data management in educational systems, relating improvements in governance, data security, mobility, economic viability and environmental impact. Therefore, this work also present a list of already free and private technologies and their advantages and disadvantages in the Brazilian scenario. In this sense, the herein technological aspects considers the integration between cloud and mobile technologies as essential alternative to suppress the online requirements, which a limitation for a large number of public institutions that have problems to be effectively connected on the Internet.
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Kennedy, Ann-Marie, Cathy McGouran, and Joya A. Kemper. "Alternative paradigms for sustainability: the Māori worldview." European Journal of Marketing 54, no. 4 (March 9, 2020): 825–55. http://dx.doi.org/10.1108/ejm-01-2018-0043.
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Purpose The authors do not claim that the following represents the views of any one tribe but instead the culmination of the academic literature written on the topic. Marketing’s current Western dominant social paradigm (DSP) is said to perpetuate “green”, yet unsustainable practices. The DSP does not support strictly pro-environmental practices and its proposed alternative, the new environmental paradigm (NEP), lacks in-depth conceptualisation, especially concerning business and marketing activities. However, the two paradigms contrast so much that a shift from one to the other is vehemently argued against and conceptually rife with problems. This paper aims to expand upon the merits of the NEP using indigenous people’s environmental philosophies – specifically the Māori people of New Zealand[1] – as examples of historically supported and successful sustainable philosophies. It conceptualises the Māori view to provide a more practical alternative to the DSP and includes propositions for marketing implementation of this perspective. Findings By explicating both the DSP and NEP and reflecting on each through an indigenous Māori view, this paper provides propositions for a broadened paradigm that supports sustainability and its application for sustainable marketing. Research limitations/implications The implications of this research are in the area of paradigm development and in providing an alternative paradigm to that of the DSP. This paper is the first to fully explicate parts of the NEP and considers a solution to the problems of changing the current DSP so drastically by broadening the NEP using a Māori worldview. Practical implications The propositions and examples provided in this work give practical application of the newly presented paradigm for marketers influenced by indigenous belief systems. Originality/value This paper is the first to explicate parts of the NEP and broaden its reach by integrating a Māori worldview as an alternative to drastically changing the current DSP. It does so by proposing that marketers embrace a middle ground that is influenced by indigenous belief systems.
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Yurshevich, Elena, and Irina Yatskiv. "Consideration of the Aspects of the Transportation Systems Microscopic Model Application as Part of a Decision Support System." Transport and Telecommunication Journal 13, no. 3 (January 1, 2012): 209–18. http://dx.doi.org/10.2478/v10244-012-0017-5.
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Consideration of the Aspects of the Transportation Systems Microscopic Model Application as Part of a Decision Support System The article presents the experience in using decision support system (DSS) when managing urban transport system (UTS) and a possibility of using microscopic modelling as an integral part of the decision-support system (DSS) when managing the urban TS. To illustrate the problem and a possible DSS-based solution, an example of a specific project has been examined, where microscopic modelling was used for the analysis of possible reconstruction of a transport system (TS) fragment in the city of Riga, - which was performed in 2010 in the laboratory of applied software systems of the Transport and Telecommunication Journal Institute (in Riga). The project goal was the consideration of expediency for implementation of a pedestrian area in the street of city centre with the existing street traffic. The article formulates some problems that occurred in the process of development and application of simulation model for analysing various scenarios; some possible alternatives of their solution are suggested. An alternative of possible DSS architecture for managing TS in Riga is suggested; some requirements to the data handling and organization in the system are examined. Special attention has been paid to the problem of synchronizing the data handling of macroscopic and microscopic models of urban TS. The article formulates the requirements to organization of data transmission interface between macroscopic and microscopic data. The suggested DSS concept can be used when solving various problems of transportation planning.
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Muhambe, Titus. "Proposing Parameters for Evaluating Sustainability of mHealth Systems in Developing Countries." INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY 17, no. 1 (January 16, 2018): 7153–62. http://dx.doi.org/10.24297/ijct.v17i1.7140.
Full textAbstract:
The exponential rise in global healthcare challenges; the rise in morbidity and mortality, especially in developing countries have compelled stakeholders to explore alternative ways of overcoming the crisis. Guided by the recommendation of WHO (2013), efforts have been directed towards prevention, response and strengthening of the existing healthcare systems. There have also been efforts to explore the potential of mobile technology towards healthcare provision, with numerous mHealth projects being reported across the developing world. Reports indicate that a significant number of these solutions have failed before realizing the primary goals, pointing to a possible mHealth sustainability challenge. The study explored literature covering global health challenges, use of mobile technology healthcare solutions in developing countries as well literature covering evaluating technology sustainability. Through the review, key factors that influence sustainability of technology were identified. A cross-sectional survey using questionnaires and a qualitative exploratory study using interviews and Focused Group Discussion, targeting mHealth stakeholders were used to map and contextualize the identified sustainability factors to the developing country context. The identified factors were categorized into three broad categories; Individual factors; User Satisfactions, Access to system, and User Support, Technological Factors; System Quality, System Scalability, Technology Sustainability, Technology Relevance and System Interoperability and Management Factors; mHealth Ownership and Net Benefits (Return on Investment). The paper identifies challenges in the sustainability of mHealth systems in developing countries; using Kenya health sector as a case study and propose sustainability evaluation parameters for mHealth systems in developing countries.