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Journal articles on the topic 'Operators of small groups'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Nadjafikhah, M., and A. Mokhtary. "Approximate Hamiltonian Symmetry Groups and Recursion Operators for Perturbed Evolution Equations." Advances in Mathematical Physics 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/568632.

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The method of approximate transformation groups, which was proposed by Baikov et al. (1988 and 1996), is extended on Hamiltonian and bi-Hamiltonian systems of evolution equations. Indeed, as a main consequence, this extended procedure is applied in order to compute the approximate conservation laws and approximate recursion operators corresponding to these types of equations. In particular, as an application, a comprehensive analysis of the problem of approximate conservation laws and approximate recursion operators associated to the Gardner equation with the small parameters is presented.

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Möllers, Jan, and Benjamin Schwarz. "Bessel operators on Jordan pairs and small representations of semisimple Lie groups." Journal of Functional Analysis 272, no. 5 (2017): 1892–955. http://dx.doi.org/10.1016/j.jfa.2016.10.026.

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Jyoti, J., Lalit Vashisht, and Uttam Sinha. "Matrix-valued Gabor frames over LCA groups for operators." Filomat 37, no. 28 (2023): 9543–59. http://dx.doi.org/10.2298/fil2328543j.

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G?vruta studied atomic systems in terms of frames for range of operators (that is, for subspaces), namely ?-frames, where the lower frame condition is controlled by the Hilbert-adjoint of a bounded linear operator?. For a locally compact abelian groupGand a positive integer n, westudy frames of matrix-valued Gabor systems in the matrix-valued Lebesgue space L2(G,Cn?n) , where a bounded linear operator ? on L2(G,Cn?n) controls not only lower but also the upper frame condition. We term such frames matrix-valued (?,?*)-Gabor frames. Firstly, we discuss frame preserving mapping in terms of hyponor

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Badea, Catalin, Vincent Devinck, and Sophie Grivaux. "Escaping a Neighborhood Along a Prescribed Sequence in Lie Groups and Banach Algebras." Canadian Mathematical Bulletin 63, no. 3 (2019): 484–505. http://dx.doi.org/10.4153/s0008439519000560.

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AbstractIt is shown that Jamison sequences, introduced in 2007 by Badea and Grivaux, arise naturally in the study of topological groups with no small subgroups, of Banach or normed algebra elements whose powers are close to identity along subsequences, and in characterizations of (self-adjoint) positive operators by the accretiveness of some of their powers. The common core of these results is a description of those sequences for which non-identity elements in Lie groups or normed algebras escape an arbitrary small neighborhood of the identity in a number of steps belonging to the given sequen

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Zeffane, Rachid. "Gender, individualism–collectivism and individuals’ propensity to trust: A comparative exploratory study." Journal of Management & Organization 26, no. 4 (2017): 445–59. http://dx.doi.org/10.1017/jmo.2017.57.

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AbstractWe explore the impact of gender, individualism–collectivism on individual’s propensity to trust. The study draws on data from three groups of individuals in the United Arab Emirates: students; (n=370); small business owners/operators (n=324), and employed individuals (n=376). Three main hypotheses are tested. We develop and explore three main hypotheses. Statistical results reveal that females are generally more collectivist and less trusting than their males counterparts. Further analysis revealed that small business/operators are generally more trusting than the other cohorts of resp

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Haavik, Kjetil E. "Extended use of receiver groups: Theory, synthetic example, and noise considerations." GEOPHYSICS 85, no. 6 (2020): P53—P66. http://dx.doi.org/10.1190/geo2019-0624.1.

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Receiver grouping is commonly used in marine towed-streamer seismic acquisition. Measurements from several receivers in a group are stacked to increase the signal-to-noise ratio of the resulting data and form an analog spatial antialiasing filter. I propose a method for extracting inline derivatives of the wavefield as additional measurements from the groups. This is achieved by multiplying the signal from the individual receivers in a group with predefined weights that corresponds to a finite-difference (FD) operator. The inline derivative(s) makes it possible to use multichannel sampling the

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Barton, Susan S., Jo Mercer, and Charles J. Molnar. "Using Focus Groups to Determine Market Potential for Wildflower Sod." HortTechnology 6, no. 3 (1996): 271–76. http://dx.doi.org/10.21273/horttech.6.3.271.

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Two focus-group sessions were conducted to determine the market potential of a new horticultural product—wildflower sod. One session included homeowners with suburban lots and an interest in wildflowers. Another session included landscape professionals, property managers, and garden center operators. Participants viewed a slide presentation about the uses of wildflowers and wildflower sod, a videotape illustrating wildflower sod installation, and a demonstration plot planted with wildflower sod. The discussion was conducted by an unbiased facilitator. Participants cited the instant effect of w

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Duglio, Bonadonna, Letey, Peira, Zavattaro, and Lombardi. "Tourism Development in Inner Mountain Areas—The Local Stakeholders’ Point of View through a Mixed Method Approach." Sustainability 11, no. 21 (2019): 5997. http://dx.doi.org/10.3390/su11215997.

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Tourism in inner areas, especially in the mountains, is a complex phenomenon due to the different tourist’s needs and to the specific local features that vary considerably from one destination to another. Consequently, a unique tourism development strategy cannot be defined and adopted anywhere. When considering tourism-based territorial development in mountain areas, it is crucial to take the vision of local stakeholders into consideration. To drive different and/or unexpressed opinions towards shared tools, this study analyses the local stakeholder’s point of view using a mixed method consis

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Erta, Erta. "The Experiential Marketing, Experience Engagement, Reference Group, and Customer Satisfaction Toward Purchase Intention of Virtual Hotel Operators (VHO): Indonesian Context." International Journal of Multidisciplinary Research and Analysis 05, no. 10 (2022): 2740–54. http://dx.doi.org/10.47191/ijmra/v5-i10-23.

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Budget traveling has developed to become a potential niche market in the hospitality industry as an increasing number of backpackers and domestic tourists with limited disposable income. This niche market has grown to become a multi-billion dollar market globally as its ability to develop the economy through more job opportunity, enforce small accommodation service with low overhead-cost and shift local product increase of destination country such as Virtual Hotel Operators (VHO). This business model provides rented accommodation in which services are accessible on the official website and mob

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Korsun, O. N., and E. I. Mikhaylov. "Identification of the Pilot as Part of the Crew Using Speech Spectral Transfer Function." Herald of the Bauman Moscow State Technical University. Series Instrument Engineering, no. 5 (128) (October 2019): 35–48. http://dx.doi.org/10.18698/0236-3933-2019-5-35-48.

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The paper deals with the problem of voice identification of the pilot as part of the crew, which is one of the ways to improve the interface of the cockpit of a modern aircraft. The main trends of pilot voice identification in the task of improving the cockpit interface are voice control of onboard equipment and accident investigation. We introduce a method for identifying the speakers personality using the speakers voice transfer function by frequency and the k-nearest neighbors data classification algorithm. Due to the nature of the task, identification was carried out for small groups of op

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Moccetti, Paolo, Jessica R. Rodger, Jonathan D. Bolland, et al. "Is shape in the eye of the beholder? Assessing landmarking error in geometric morphometric analyses on live fish." PeerJ 11 (August 17, 2023): e15545. http://dx.doi.org/10.7717/peerj.15545.

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Geometric morphometrics is widely used to quantify morphological variation between biological specimens, but the fundamental influence of operator bias on data reproducibility is rarely considered, particularly in studies using photographs of live animals taken under field conditions. We examined this using four independent operators that applied an identical landmarking scheme to replicate photographs of 291 live Atlantic salmon (Salmo salar L.) from two rivers. Using repeated measures tests, we found significant inter-operator differences in mean body shape, suggesting that the operators int

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Barton, S. S., and J. Mercer. "An Evaluation of Focus Groups as a Technique to Determine the Market Potential for Wildflower Sod." HortScience 30, no. 4 (1995): 891E—891. http://dx.doi.org/10.21273/hortsci.30.4.891e.

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Two focus group sessions were conducted to determine the market potential for a new horticultural product, wildflower sod. One session included homeowners with suburban lots and an interest in wildflowers. Another session included landscape professionals, property managers, and garden center operators. Participants viewed a slide presentation about the uses of wildflowers and wildflower sod; a videotape illustrating wildflower sod installation; and a demonstration plot with wildflower sod planted at different spacings (solid, 50%, 25%, or plugs at 1”, 18”, or 24” centers) and at different time

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Erta, Diyah Candra Arifah Ika, Rahman Zainur, and Cinta Hapsari. "The Experiential Marketing, Experience Engagement, Reference Group, and Customer Satisfaction Toward Purchase Intention of Virtual Hotel Operators (VHO): Indonesian Context." INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH AND ANALYSIS 05, no. 10 (2022): 2740–54. https://doi.org/10.5281/zenodo.7204400.

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Budget traveling has developed to become a potential niche market in the hospitality industry as an increasing number of backpackers and domestic tourists with limited disposable income. This niche market has grown to become a multi-billion dollar market globally as its ability to develop the economy through more job opportunity, enforce small accommodation service with low overhead-cost and shift local product increase of destination country such as Virtual Hotel Operators (VHO). This business model provides rented accommodation in which services are accessible on the official website and mob

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Syahyuti, K. S. Indraningsih, D. K. S. Swastika, S. H. Susilowati, and S. Suharyono. "The role of stakeholders to support implementation of modern agricultural programs." IOP Conference Series: Earth and Environmental Science 892, no. 1 (2021): 012024. http://dx.doi.org/10.1088/1755-1315/892/1/012024.

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Abstract The Ministry of Agriculture has implemented the Modern Agriculture Program since 2016 by distributing agricultural machinery to farmers, in order to improve Indonesian agriculture which is characterized by small scale, low productivity, low labor productivity, and national production that is not self-sufficient. The objective of this research is to analyze the role of stakeholders to support the implementation of the programs. South Sulawesi was chosen purposively as the research location. The interviewees are service institutions from central to regional, key informants, farmer group

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Cheng, Yu, Xu Chen, Xiaohua Ding, and Linting Zeng. "Optimizing Location of Car-Sharing Stations Based on Potential Travel Demand and Present Operation Characteristics: The Case of Chengdu." Journal of Advanced Transportation 2019 (January 20, 2019): 1–13. http://dx.doi.org/10.1155/2019/7546303.

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Car-sharing is becoming an increasingly popular travel mode in China and many companies invest plenty of money on that including vehicle enterprises and Internet companies. But most of them build car-sharing stations by their experience or randomly as long as there is parking space in the early development of their business. This results in many stations with low operational efficiency and causes capital loss. This study aims to use different data source with statistical models and machine learning algorithm to help car-sharing operator to choose the optimal location of new stations and adjust

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Gyebuni, R., K. O. Ansah, and D. Mireku-Gyimah. "A Geoeconomic Planning and Evaluation Model for Artisanal Small-Scale Gold Mining in Ghana." Ghana Mining Journal 22, no. 1 (2022): 15–28. http://dx.doi.org/10.4314/gm.v22i1.3.

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Following calls for comprehensive National Action Plans (NAPs) that outline training programmes for the handling of mercury and strategies for reducing emissions from artisanal and small-scale gold mining (ASGM) under the Minamata Convention, other follow-up calls intensified the need for the formalisation or regulation of ASGM in the sector. Aside from the precarious emission of mercury and hazards to the environment, the ASGM sector resorts to unsafe methods for exploiting minerals due to inadequate funding. It is not surprising that anti-mining groups constantly advocate against mining in g

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Ren, Hainan, Naoko Mori, Minami Hirasawa, et al. "Abnormal Findings on “T1WI or DWI or MRCP:” An Effective Boolean Interpretation Model in Discriminating Small Pancreatic Ductal Adenocarcinoma from Control Group." Journal of Clinical Imaging Science 11 (October 12, 2021): 54. http://dx.doi.org/10.25259/jcis_158_2021.

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Objectives: The objectives of the study was to evaluate the diagnostic performance of findings on T1-weighted imaging (T1WI), T2-weighted imaging (T2WI), diffusion-weighted imaging (DWI), and magnetic resonance cholangiopancreatography (MRCP) separately and to identify an optimal Boolean interpretation model for discriminating patients with small pancreatic ductal adenocarcinoma (PDAC) from control groups in clinical practice. Material and Methods: We retrospectively enrolled 30 patients with surgery confirmed small PDAC (≤20 mm) and 302 patients without pancreatic abnormality between April 20

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Holley, Elizabeth A., Oscar Felipe Rodriguez, Stewart D. Redwood, and Nicole M. Smith. "Coexistence of Large-Scale Mining with Artisanal and Small-Scale Mining—A Guide for Geologists." SEG Discovery, no. 130 (July 1, 2022): 22–34. http://dx.doi.org/10.5382/geo-and-mining-16.

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Editor’s note: The aim of the Geology and Mining series is to introduce early career professionals and students to various aspects of mineral exploration, development, and mining in order to share the experiences and insight of each author on the myriad of topics involved with the mineral industry and the ways in which geoscientists contribute to each. Abstract Artisanal and small-scale mining (ASM) takes place in approximately 80 countries, and it is widespread in parts of Central and South America, Africa, Asia, and Oceania. Estimates range from 40 to 100 million ASM miners operating worldwi

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Marra, A., P. Dell’Aquila, A. Di Leo, and M. B. Principi. "P270 Ultrasonography interobserver agreement in Crohn Disease between experienced and non expert operators." Journal of Crohn's and Colitis 16, Supplement_1 (2022): i309. http://dx.doi.org/10.1093/ecco-jcc/jjab232.397.

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Abstract Background Bowel ultrasound (US) is a safe, noninvasive, accessible, reproducible, and cost-effective resource technique for assessing bowel inflammation in CD. Despite the performance and advantages of bowel US, its incorporation into routine gastroenterology practice is internationally inconsistent. To date, this technique is often branded as ‘‘operator -dependent’’ and it has value only in expert hands. Nevertheless, some evidence showed that bowel US in CD could be standardized with a good reproducibility among expert operators. This result has been confirmed more recently. Intero

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M. Furkan, Lalu, Embun Suryani, Santi Nururly, Zefanya Andryan Girsang, and Abdurrahman Abdurrahman. "The Business Of Sustainable Tourism: University Programs Empowering Local Enterprises In East Lombok." International Journal Of Community Service 5, no. 2 (2025): 66–73. https://doi.org/10.51601/ijcs.v5i2.860.

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This study documents an international community service program conducted in Teluk Jekung and Maringkik Island, East Lombok, Indonesia, through collaboration between Universiti Sains Malaysia (USM) and University of Mataram. The initiative focused on promoting sustainable tourism practices among local communities, including boat operators (Boatman), small medium business owners (UMKM), and island residents. Using a participatory approach, the program combined on-site training, stakeholder discussions, and practical solutions for environmental and economic challenges. Results demonstrated incre

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Cortez-Ordoñez, Alexandra, and Ana Belén Tulcanaza-Prieto. "The Effect of Gender and Age in Small Bicycle Sharing Systems: Case Study from Logroño, Spain." Sustainability 15, no. 10 (2023): 7925. http://dx.doi.org/10.3390/su15107925.

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During recent years, bike sharing systems (BSS) have been adopted in many large cities around the world. Thanks to their environmental and health benefits, BSS’ popularity as a green transportation mode is exponentially increasing and many small cities are also adopting them. However, few of these small cities have the resources to manage and analyze the massive amount of data produced by these systems in order to optimize them and promote their use among citizens. This manuscript analyzes BiciLog (Logroño, Spain) data and studies customers’ usage patterns, disaggregated by gender and age. The

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Pierel, Eleanor D., Jennifer Helgeson, and Kirstin Dow. "Deciphering small business community disaster support using machine learning." PLOS Climate 2, no. 3 (2023): e0000155. http://dx.doi.org/10.1371/journal.pclm.0000155.

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With the increase in severity and frequency of natural hazards due to climate change, developing a holistic understanding of community resilience factors is critically important to disaster response and community support. Our investigation of small business survey responses about COVID-19 impacts finds that they are conduits of national support to their local communities. Small businesses that have demonstrated high levels of pre-disaster local involvement are more likely to take an active role in community resilience during a disaster, regardless of their own financial security. In addition,

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Chaparadza, Sherpherd. "Determinants of cashless society, a case of Inyati Mine in Rusape." Annals of Management and Organization Research 6, no. 1 (2024): 43–56. http://dx.doi.org/10.35912/amor.v6i1.2097.

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Purpose: This study aimed to identify the variables affecting the Inyati community in Inyati Mine's adoption of mobile money. Research Methodology: A descriptive research design was employed using a stratified random sampling technique. Results: A target population of 300 households was contacted, and the research concluded that some rural residents find it difficult to access mobile money because of their inferior technological skills, while others believe that network coverage is limited to certain areas of the community, and rural residents are adopting mobile money more slowly than their u

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Kambugu, R. K., A. Y. Banana, P. Byakagaba, et al. "The informal sawn wood value chains in Uganda: structure and actors." International Forestry Review 25, no. 1 (2023): 61–74. http://dx.doi.org/10.1505/146554823836902635.

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With increasing scarcity and spatial dispersion of tree resources, Uganda's forest sector – similarly to several other countries in Sub-Saharan Africa – has experienced a shift from the large-scale concessionary model historically used to access and harvest forests, to more versatile models involving smaller-scale operators. The timber they produce is sold not only locally in producer countries but also across borders and beyond. Yet small-scale operators largely work outside established regulatory frameworks and as such remain invisible to national and international production and trade stati

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Clauss, Günther F., and Christian E. Schmittner. "Experimental Optimization of Extreme Wave Sequences for the Deterministic Analysis of Wave/Structure Interaction." Journal of Offshore Mechanics and Arctic Engineering 129, no. 1 (2006): 61–67. http://dx.doi.org/10.1115/1.2426984.

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For the deterministic analysis of wave/structure interaction in the sense of cause-reaction chains, and for analyzing structure responses due to special wave sequences (e.g., three sisters phenomenon or other rogue wave groups) methods for the precise generation of tailored wave sequences are required. Applying conventional wave generation methods, the creation of wave trains satisfying given local wave parameters, and the generation of wave groups with predefined characteristics is often difficult or impossible, if sufficient accuracy is required. In this paper we present an optimization appr

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Morris, Glen, Shawn Ehlers, and John Shutske. "U.S. Small-Scale Livestock Operation Approach to Biosecurity." Agriculture 13, no. 11 (2023): 2086. http://dx.doi.org/10.3390/agriculture13112086.

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Agricultural biosecurity is a pressing global issue that must be given continuous attention by researchers, producers, consumers, and government agencies responsible for food security. This article examines the relevant literature specifically related to recommended practices for U.S. small-scale farms and ranches to minimize potential disease susceptibility in animals and humans. Current training and educational resources appear to focus on mechanisms of disease transmission and ecological and/or social factors that support mitigation efforts. Training against biological incursion and knowled

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Pons, Wendy, Andria Jones-Bitton, Steven Lam, et al. "A qualitative study of the experiences and information needs of public health inspectors that inspect small drinking water systems in Ontario, Canada." Environmental Health Review 62, no. 3 (2019): 92–96. http://dx.doi.org/10.5864/d2019-022.

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Public health inspectors (PHIs) play an important role in enforcing the regulation and monitoring of approximately 9000 small noncommunity drinking water systems across Ontario. These small drinking water systems (SDWS) are diverse and face unique challenges. The purpose of this research was to explore PHIs’ insights and needs related to these SDWS in Ontario, Canada, to inform future policy and training initiatives to support safe drinking water. Data were collected through teleconference-conducted focus groups. Transcripts were analyzed and three major themes were found: the operator–PHI rel

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Park, Doo-Young, Kanghwa Choi, and Dae-Han Kang. "Measuring the Meta Efficiency and Its Determinants on Efficiency in the Korean Coffee Shop Franchise." Sustainability 12, no. 6 (2020): 2398. http://dx.doi.org/10.3390/su12062398.

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Previous applications of DEA (data envelopment analysis) models in the field of franchising have been scarce. In particular, measurement and analysis of the operational efficiency of coffee shop franchisors in the explosively growing coffee market in Korea is required. In this study, we categorize 29 Korean coffee shop franchisors into three groups according to their number of franchisees and employ the metafrontier analysis to measure the efficiency of coffee shop franchisors from 2015 to 2018. Based on the results of metafrontier DEA, this study identifies sources of inefficiency within indi

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Babkin, R. А., A. G. Makhrova, and D. M. Medvednikova. "Foreign migrants in the Moscow agglomeration: spatial and temporal analysis based on data from mobile operators." Izvestiâ Rossijskoj akademii nauk. Seriâ geografičeskaâ 88, no. 2 (2024): 105–18. http://dx.doi.org/10.31857/s2587556624020014.

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The article analyzes the modern ethnic landscape of the Moscow agglomeration on the basis of data from mobile operators. The estimation of the number of foreign migrants and its monthly dynamics from October 2021 to October 2022 is made. The main areas of residence of foreigners have been identified, the ethnic diversity of municipalities has been assessed, and the main types of settlement pattern of national-ethnic communities have been identified. The study showed that the total number of foreign migrants in the agglomeration reaches 1.8 million people or 9% of the total population, remainin

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Varia, Francesca, Dario Macaluso, Ida Agosta, Francesco Spatafora, and Giovanni Dara Guccione. "Transitioning towards Organic Farming: Perspectives for the Future of the Italian Organic Wine Sector." Sustainability 13, no. 5 (2021): 2815. http://dx.doi.org/10.3390/su13052815.

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In recent years, after the publication of Regulation (EU) 2018/848 on organic production and the labelling of organic products, all stakeholders have been considering threats and opportunities in the development of the organic food and beverage sector. The aim of the study outlined in this paper was to analyse the development prospects of the Italian organic wine sector in light of the Common Agricultural Policy (CAP) environmental and climate objectives. Specifically, the study focussed on applying a System Dynamics Approach (SDA) and a Network Analysis in order to explain how the most releva

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Rosari, Dina, Abdul Kadir Ritonga, and Daniel Sihombing. "Enhancing the Market Value of MSMEs Products through Packaging Improvement in Buluh Duri Tourism Village, Serdang Bedagai, North Sumatra, Indonesia." Dinasti International Journal of Education Management And Social Science 6, no. 2 (2025): 1634–40. https://doi.org/10.38035/dijemss.v6i2.3927.

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Buluh Duri Tourism Village in Serdang Bedagai, North Sumatra, is a destination known for its unique MSME (Micro, Small, and Medium Enterprises) products, including traditional food and handicrafts. However, a major challenge for local MSMEs is enhancing the value of their products through attractive and functional packaging. This study analyzes the role of packaging in increasing the value and appeal of MSME products, particularly in the tourism market. Using a qualitative approach, data was collected through observations, interviews with MSME operators, and document reviews. A SWOT analysis w

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Zulhanafiah, Zulhanafiah, and Ujang Paman. "Performance Evaluation of Farm Machinery Utilization Under Custom Hiring Services Managements." Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 13, no. 3 (2024): 679. http://dx.doi.org/10.23960/jtep-l.v13i3.679-690.

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Farm machinery hire service is a custom hiring business model managed by farmers’ groups at the farm level. The model is developed to facilitate access to farm machinery by small farmers and derive income (profit) from hiring out machinery services. This research attempts to evaluate the performance of farm machinery hire services in the Indragiri Hulu Region, Riau Province. The field surveys were conducted from September to October 2022 in 11 districts in the province. A total of 11 managers and 22 operators from 11 farm machinery hire service groups were selected purposively and interviewed

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He, Yan. "Development of Project-based Learning Team in Information Security Classes in High Vocational Colleges." Advanced Materials Research 271-273 (July 2011): 1826–29. http://dx.doi.org/10.4028/www.scientific.net/amr.271-273.1826.

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To secure the information systems and safeguard the personal and social data, experts engaged in the IT security departments should be increasingly turned out. Many universities have incorporated information security courses at the undergraduate and graduate levels as part of information systems or computer science majors, and some high vocational colleges set the IT security specialty to train the information security operators. However, most graduates are lack of practical operations and they don't have the qualifications to do the job. To train the IT security experts, appropriate methods s

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Ibidunni, Ayodotun Stephen, Adebanji William Adejuwon Ayeni, Oyedele Martins Ogundana, Bisayo Otokiti, and Lerato Mohalajeng. "Survival during Times of Disruptions: Rethinking Strategies for Enabling Business Viability in the Developing Economy." Sustainability 14, no. 20 (2022): 13549. http://dx.doi.org/10.3390/su142013549.

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There exists a noticeable void in the literature about strategies that business operators, especially those in highly vulnerable economies, can adapt to sustain their survival and to achieve growth in economically turbulent times. This study investigated strategies that can support the viability and survival of businesses in times of environmental disruptions. The study adopted a qualitative research design that involved the interview of 31 business owners across different sectoral groups including fashion and telecommunication that are operating in Nigeria’s Small and Medium Enterprises (SMEs

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Schaffar, Aline, Claire Garrigue, and Rochelle Constantine. "Exposure of humpback whales to unregulated whalewatching activities in their main reproductive area in New Caledonia." J. Cetacean Res. Manage. 11, no. 2 (2023): 147–52. http://dx.doi.org/10.47536/jcrm.v11i2.620.

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Whale- and dolphin-watching activities are demonstrating a strong growth worldwide, raising concern of their potential impacts on cetacean populations and emphasising the need for management. Humpback whales recently have become the focus of an important tourism industry in the South Pacific, particularly in New Caledonia, where operators focus on a small population of humpback whales on their main breeding ground. Despite considerable growth since it began in 1995, the industry remains unregulated. Between 2005 and 2007, a study was conducted to assess the impact of whalewatching activities o

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Alfajri, Habib, Firdaus Annas, and Deni Arya Winaldi. "Perancangan E-Commerce Berbasis OpenCart untuk Promosi dan Penjualan Produk Makanan Usaha Ikan Asin." JOVISHE : Journal of Visionary Sharia Economy 2, no. 1 (2023): 184–99. https://doi.org/10.57255/jovishe.v2i1.526.

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This article discusses the design of an e-commerce platform based on OpenCart to support the promotion and sales of food products, specifically focusing on salted fish businesses. The purpose of this study is to design a digital sales system that can enhance market reach, operational efficiency, and competitiveness of small businesses in the digital era. The initial condition shows that salted fish businesses still rely on traditional marketing methods, such as direct sales and word-of-mouth promotion, which have limitations in reaching a broader market and face competitiveness challenges with

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Hansson, Christian, Maria Lindqvist та Åke Oskarsson. "Cis/trans isomers of PtX 2 L 2 (X = halogen, L = neutral ligand); the crystal structures of two polymorphs of cis-dichlorobis(dibenzyl sulfido-κS)platinum(II) in the temperature range 100–295 K". Acta Crystallographica Section B Structural Science 64, № 2 (2008): 187–95. http://dx.doi.org/10.1107/s0108768108005211.

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The structures of two polymorphs, one triclinic and one monoclinic, of cis-dichlorobis(dibenzyl sulfido-κS)platinum(II), cis-PtCl2(Bz2S)2, have been determined at 295, 250, 200, 150 and 100 K. In both polymorphs the complex has a structure where platinum(II) coordinates two dibenzyl sulfide molecules and two chloro ligands, forming a complex with pseudo-square-planar coordination geometry. The triclinic polymorph shows disorder at all temperatures. Both polymorphs have a packing arrangement involving centrosymmetric structural dimers. cis-PtCl2(Bz2S)2 belongs to a group of complexes with the g

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Nishi, Hidehisa, Akira Ishii, Ichiro Nakahara, et al. "Different learning curves between stent retrieval and a direct aspiration first-pass technique for acute ischemic stroke." Journal of Neurosurgery 129, no. 6 (2018): 1456–63. http://dx.doi.org/10.3171/2017.6.jns17872.

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OBJECTIVEThe clinical outcomes of a direct aspiration first-pass technique (ADAPT) and stent retriever (SR) have been reported to be similar in several observational studies. In this study, procedural and clinical outcomes with ADAPT and SR for the treatment of acute ischemic stroke with large artery occlusion were compared in different time periods.METHODSIn each specific time period, SR and ADAPT were used as the first-line treatment approach for acute ischemic stroke patients with large artery occlusion at the authors’ institution. Baseline characteristics, procedural variables, and functio

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Angarita-Davila, Lissé, Héctor Fuentes-Barría, Diana Rojas-Gómez, Raúl Aguilera-Eguía, Miguel Alarcón-Rivera, and Eduardo Guzmán-Muñoz. "Effects of D-Tagatose on Cariogenic Risk: A Systematic Review of Randomized Clinical Trials." Nutrients 17, no. 2 (2025): 293. https://doi.org/10.3390/nu17020293.

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Dental caries remains a prevalent chronic disease driven by dysbiosis in the oral biofilm, with Streptococcus mutans playing a central role in its pathogenesis. Objective: This study aimed to assess the effect of D-tagatose on cariogenic risk by analyzing randomized clinical trials (RCTs). Methods: A systematic literature review was conducted targeting RCTs published up to 2024 in eight databases and two gray literature sources. The search strategy utilized Medical Subject Headings (MeSHs) and relevant keywords combined via Boolean operators using the query “Tagatose OR D-tagatose AND Dental C

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Bucher, Christoph Marcus, Thomas Lehmann, André Tichelli, et al. "Comparison of a powered bone marrow biopsy device with a manual system: results of a prospective randomised controlled trial." Journal of Clinical Pathology 66, no. 1 (2012): 24–28. http://dx.doi.org/10.1136/jclinpath-2012-201167.

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The diagnostic and clinical usefulness of a powered bone marrow biopsy device (OnControl()) versus a standard manual device (TRAP Hospital System) was studied. Primary endpoints were biopsy quality and patient pain during the procedure. Fifty patients underwent a total of 60 procedures by three expert operators in a randomised stratified fashion. Baseline demographic and clinical parameters were similar in both groups. The usage of conscious sedation, dosage of lidocaine/pethidin was similar between groups. Biopsy quality was rated ‘sufficient for diagnosis’ in 24/30 in the control group and 2

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Wilson, Steven F., and John F. Wilmshurst. "Behavioural responses of southern mountain caribou to helicopter and skiing activities." Rangifer 39, no. 1 (2019): 27–42. http://dx.doi.org/10.7557/2.39.1.4586.

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Helicopter- and snowcat-supported backcountry skiing is a unique industry that is widespread throughout southern mountain caribou habitat in British Columbia. We analyzed standardized caribou encounter data collected by operators under an agreement between the BC government and Helicat Canada. Average reported encounter rates were low for helicopters (0.6%) and skiing groups (0.1%); however, encounters were likely underreported due to factors that affect caribou sightability. Although helicopters encountered caribou more frequently than skiing groups, caribou were detected from helicopters at

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O'Neill, Yvette, and Margaret O'Mahony. "Travel Behavior and Transportation Needs of People with Disabilities." Transportation Research Record: Journal of the Transportation Research Board 1924, no. 1 (2005): 1–8. http://dx.doi.org/10.1177/0361198105192400101.

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Arguments defending the poor attention given to those with disabilities in regard to equal opportunities for transportation options tend to center on the high cost of providing or improving facilities. This paper examines the current quality of service on a variety of modes and mode ancillaries, such as stations and stops, as determined by individuals with disabilities. That section is followed by an examination of the measures to improve the quality of service that those with disabilities require. The evaluations are done with four types of disability groups; although the samples of individua

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Naranjo Taco, Paulina, Carlos Taco Taco, and Oswaldo Lopez Bravo. "Cadenas integrales productivas para producción de mora / │ 21 Cadenas integrales productivas para producción de mora Integral production chains for blackberry production." Ciencia Unemi 9, no. 19 (2016): 21. http://dx.doi.org/10.29076/issn.2528-7737vol9iss19.2016pp21-29p.

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El cultivo de mora en los últimos años ha sufrido comportamientos crecientes en el mercado nacional e internacional. En la provinciade Bolívar, Ecuador, su producción está en auge en los sectores de Guanujo y Chillanes. En este último, existen asociacionesde pequeños productores, siendo sus debilidades la comercialización y los bajos precios que reciben por el producto natural. Los objetivos planteados permitieron el mapeo de la cadena, así como la identificación de operadores y sus funciones. La investigación de mercado realizada a nivel de consumidores finales (compradores en supermercados)

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Meegoda, Jay N., Daniel Watts, Hsin-Neng Hsieh, and Bruno Bezerra de Souza. "Community Based Pollution Prevention for Two Urban Cities—A Case Study." Clean Technologies 3, no. 1 (2021): 59–78. http://dx.doi.org/10.3390/cleantechnol3010004.

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Pollution prevention is an approach for generating less waste using fewer toxic chemicals while conserving water and energy. Even though pollution prevention practices have been encouraged for over thirty years, many smaller businesses have not considered or adopted such techniques. This study examines the effect of a community-based approach designed to emphasize the benefits to the health and economic well-being of urban communities when source reduction practices are implemented by businesses in the community. Partnering with existing community groups in Newark and Jersey City, NJ, technica

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KEHINDE, O. O., O. J. AWOYOMI, B. K. LAMIDI, et al. "EVALUATION OF THE INFLUENCE OF BROILER BREEDER EGG WEIGHTS ON HATCHING AND POST-HATCH PERFORMANCES IN MARSHAL BREED." Journal of Agricultural Science and Environment 17, no. 2 (2019): 1–12. http://dx.doi.org/10.51406/jagse.v17i2.1828.

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This study was designed to evaluate the effects of different Marshal breed broiler on hatching egg weights on hatching characteristics and post-hatch performances; and also to compare the cost of production of hatchlings to table size. A total of 900 hatching eggs (HE) from 40 weeks old parent stock were sorted, graded and purposively grouped on weight basis into small (<50g), medium (50-65g) and large (>65g) sizes (3 groups). Each group was allotted 300 eggs and replicated thrice, with each replicate having 100 eggs in a complete randomised design before incubation for 21 days. Candling

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Krasnoschechenko, V. I. "Decomposition of Equations of Nonlinear Affine Control Systems and its Application to the Synthesis of Regulators." Mekhatronika, Avtomatizatsiya, Upravlenie 25, no. 1 (2024): 3–12. http://dx.doi.org/10.17587/mau.25.3-12.

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The article deals with the decomposition of nonlinear differential equations based on the group-theoretic approach. At the beginning, the decomposition of differential equations of linear systems using a transition matrix of state is presented, and then, based on the theory of continuous groups (Lie groups), the process of decomposition of differential equations of nonlinear systems is shown. The decomposition approach is based on the isomorphism theorem of the space of vector fields and Lie derivatives, which allows us to consider vector fields as differential operators of smooth functions. A

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Welsh, Rick, Stefan Grimberg, Gilbert W. Gillespie, and Megan Swindal. "Technoscience, anaerobic digester technology and the dairy industry: Factors influencing North Country New York dairy farmer views on alternative energy technology." Renewable Agriculture and Food Systems 25, no. 2 (2010): 170–80. http://dx.doi.org/10.1017/s174217051000013x.

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AbstractStructural change in the US dairy industry toward fewer and very large farms has fueled interest and government funding of research into the feasibility of constructing anaerobic digesters (ADs) on large operations as a waste management strategy. Some groups opposed to increasing scale and concentration in the livestock sectors, including dairy, also oppose ADs because of the connection with larger scale operations and the potential for facilitating increased concentration in agricultural production. But the connection between AD technology and large scale is a social construction prom

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Carrasco, R. A., F. Núñez, and A. Cipriano. "Fault detection and isolation in cooperative mobile robots using multilayer architecture and dynamic observers." Robotica 29, no. 4 (2010): 555–62. http://dx.doi.org/10.1017/s0263574710000457.

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SUMMARYMobile robot systems are being used more often in tasks that protect human operators from dangerous environments, but these benefits can be easily lost if the robots spend much of their time being repaired. This implies that any increment in their reliability will also improve their benefits. One way to achieve this is by adding redundant elements to the robot, but this adds complexity and cost to the design. On the other hand, cooperative mobile robots formed by members with the same basic structure provide a natural redundancy of elements, which may be used for reliability improvement

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Turay, Samba Prince, Mohamed Tejan Jalloh, Tamba Bandabla, Fallah Samuel Kassoh, and Dauda S. Yillah. "The Role of Animal Traction Technology in enhancing Production for Small Scale Farmers in Sierra Leone." International Journal of Environment, Agriculture and Biotechnology 7, no. 6 (2022): 043–51. http://dx.doi.org/10.22161/ijeab.76.5.

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This paper summarises the results of a base line survey conducted in 2019 and gives an overview of the current status of animal traction in the country. The study assessed the socio-economic characteristics of household heads utilizing the technology, the application of animal power and its associated opportunities and constraints. A total of 130 households were targeted and data were collected through the administration of structured questionnaires, key informant interviews, and focus group discussions. Majority (99.2%) of household heads using this technology were males. The ethnic groups mo

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Hajeb Mohammad Alipour, Shirin, Hossein Rabbani, and Mohammad Reza Akhlaghi. "Diabetic Retinopathy Grading by Digital Curvelet Transform." Computational and Mathematical Methods in Medicine 2012 (2012): 1–11. http://dx.doi.org/10.1155/2012/761901.

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One of the major complications of diabetes is diabetic retinopathy. As manual analysis and diagnosis of large amount of images are time consuming, automatic detection and grading of diabetic retinopathy are desired. In this paper, we use fundus fluorescein angiography and color fundus images simultaneously, extract 6 features employing curvelet transform, and feed them to support vector machine in order to determine diabetic retinopathy severity stages. These features are area of blood vessels, area, regularity of foveal avascular zone, and the number of micro-aneurisms therein, total number o

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