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Journal articles on the topic 'Composite structure diagram of UML'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

BARBIER, FRANCK, and XABIER ARETXANDIETA. "STATE-BASED COMPOSITION IN UML 2." International Journal of Software Engineering and Knowledge Engineering 18, no. 08 (2008): 987–1011. http://dx.doi.org/10.1142/s0218194008003970.

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The Composition relationship or "black diamond" in the Unified Modeling Language (UML) is recognized for a long time as a key modeling construct. While prior research works demonstrated that this modeling operator had a dubious semantics, new expectations in the field of Component-Based Software Engineering especially, lead to revisit this operator so that it supports dynamical composition, and more precisely, composition modeling expressions and implementations that safely refer to states of software components. At first, the revision of the UML Composition must rely on well-formalized static

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Vranic, Valentino, and Milan Laslop. "Aspects and roles in software modeling: A composition based comparison." Computer Science and Information Systems 13, no. 1 (2016): 199–216. http://dx.doi.org/10.2298/csis151207065v.

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It?s intriguing how the work on inherent aspect-oriented modeling almost completely ignores the similarity between aspect-oriented and role based decomposition and composition. Ever since the notion of aspect entered the software development arena, it has been compared to the notion of role. Findings range from identifying greater similarities to more cautious observations that albeit aspects and roles are similar, they appear to be more as complimentary with a significant effort needed to really bring them together in programming. Even a cursory comparison of Theme/UML, which represents a des

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Ņikiforova, Oksana, Sergii Putintsev, and Dace Ahiļčenoka. "Analysis of Sequence Diagram Layout in Advanced UML Modelling Tools." Applied Computer Systems 19, no. 1 (2016): 37–43. http://dx.doi.org/10.1515/acss-2016-0005.

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Abstract System modelling using Unified Modelling Language (UML) is the task that should be solved for software development. The more complex software becomes the higher requirements are stated to demonstrate the system to be developed, especially in its dynamic aspect, which in UML is offered by a sequence diagram. To solve this task, the main attention is devoted to the graphical presentation of the system, where diagram layout plays the central role in information perception. The UML sequence diagram due to its specific structure is selected for a deeper analysis on the elements’ layout. Th

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ZHANG, PENGCHENG, HENRY MUCCINI, YUELONG ZHU, and BIXIN LI. "MODEL AND VERIFICATION OF WS-CDL BASED ON UML DIAGRAMS." International Journal of Software Engineering and Knowledge Engineering 20, no. 08 (2010): 1119–49. http://dx.doi.org/10.1142/s0218194010005092.

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The Web Services Choreography Description Language (WS-CDL) is a specification developed by the W3C and can be viewed as a blueprint for the development of end-point services. Consequently, it is worth providing a systematic approach for its modeling, analysis and verification. The Unified Modeling Language (UML) is an industry standard for modeling. Applying UML to model WS-CDL is obviously a promising solution to bring together academics and practitioners through a unique standard language. In this paper, we propose to use different UML diagrams to model WS-CDL. UML Component Diagram is used

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Zhang, Chong Ming, Zu Hua Fang, Chun Mei Wang, and Ji Feng Ni. "Using UML as Front-End for PLC Program Design." Advanced Materials Research 267 (June 2011): 521–24. http://dx.doi.org/10.4028/www.scientific.net/amr.267.521.

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To minimize the influence of experiential factor and guarantee the software quality from the design phase, with the aid of unified modeling language (UML), an object-oriented design method for PLC program is presented. With UML as design tool, class diagram and state machine diagram are chosen respectively to describe the static structure and dynamic behavior of the PLC based control system, and PLC ladder diagram is acquired from state machine diagram subsequently. With the combination of object-oriented technology, UML and classic PLC design technology, the software reliability of PLC based

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Yusufu, Munina, Hai Jun Zhang, Gulina Yusufu, Zhan Dong Liu, Pen Cheng, and Dilidaer Dilisati. "Modeling and Analysis of Complex System with UML: A Case Study." Applied Mechanics and Materials 513-517 (February 2014): 1346–51. http://dx.doi.org/10.4028/www.scientific.net/amm.513-517.1346.

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The Unified Modeling Language - UML - is the most used specification language, and the way the world models not only application structure, behavior, and architecture, but also business process and data structure. In this paper, we aim to demonstrate a system development methodology by generating the UML diagrams from the requirements of the Automatic Banking Machine (ABM) System and discuss their relationships, differences and suitability. The high-level requirements of the system are specified by using use-case diagram, activity diagram, state chart diagram, collaboration diagram, sequence d

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El Miloudi, Khadija, and Aziz Ettouhami. "A Multiview Formal Model of Use Case Diagrams Using Z Notation: Towards Improving Functional Requirements Quality." Journal of Engineering 2018 (December 2, 2018): 1–9. http://dx.doi.org/10.1155/2018/6854920.

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We propose a new formal model of UML use case diagram using Z notation to address some of its shortcomings. UML use case diagram has therefore become commonly used to structure functional requirements and the greatest challenge facing the software developer nowadays is to deliver a high quality product meeting customers’ requirements. However, the major disadvantage of UML models is their imprecision. In addition, they are basically in a form of semiformal modelling representations and associated natural language requirements and lack any mechanism to rigorously check consistency which results

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Liu, Jian Bin, and Tie Qiang Li. "Research on Conversion from UML Activity Diagram to Procedure Blueprint." Applied Mechanics and Materials 135-136 (October 2011): 766–69. http://dx.doi.org/10.4028/www.scientific.net/amm.135-136.766.

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UML, as an international standard, is not suitable for static modeling of the program procedure. While Procedure Blueprint is a visual process modeling language and is suitable for modeling the procedure, which can supplement the UML deficiencies during the process of modeling the program static structure. In this paper, taking XMI as a common data structure and a data exchange bridge, proposed the general transformation idea, the transformation rules and the transformation algorithm from activity diagram to the procedure blueprint. This has laid the foundations for achieving the model transfo

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Pavlova, Natalya, and Oksana Nikiforova. "Obtaining of elements of UML class diagram from initial information about problem domain." Scientific Journal of Riga Technical University. Computer Sciences 38, no. 38 (2009): 96–107. http://dx.doi.org/10.2478/v10143-009-0008-8.

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Obtaining of elements of UML class diagram from initial information about problem domain The Model Driven Architecture (MDA) is frequently used approach to software development. Basic conception of MDA is splitting of software development by levels of abstraction, where every level is presented with separate model - Computation Independent, Platform Independent, Platform Specific Models and code. The construction of central component of Platform Independent Model - system static structure in form of Unified Modeling Language (UML) class diagram is discussed in the paper. A set of approaches pr

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Huang, Yong Tao, Gang Wang, Bing Yin Ren, and Hao Yun Zhang. "Description and Verification of Supply Chain Business Process Based on Pi-Calculus." Applied Mechanics and Materials 121-126 (October 2011): 2614–18. http://dx.doi.org/10.4028/www.scientific.net/amm.121-126.2614.

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To formally verify the correctness of supply chain business process model (SCBPM), a model validation scheme was proposed based on Pi-calculus. In this scheme, the interaction structure of SCBPM was described by UML sequence diagram. The corresponding rules were defined between UML sequence diagram and Pi-calculus. Based on these rules, the formal process model was established. Its validity was verified by MWB, a model checker of pi-calculus. The result shows the scheme proposed could effectively verify the consistency of SCBPM and customer requirements.

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Wu, Hai Feng, Lin Ping Li, and Jin Ming Yang. "The Method Creating UML Model about Heat Pipe Network Data." Applied Mechanics and Materials 713-715 (January 2015): 2511–14. http://dx.doi.org/10.4028/www.scientific.net/amm.713-715.2511.

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The UML model of database is a frame foundation of developing a database, this paper recommends a way to build data model based on the urban heating pipe networks by using VISIO[1] modeling tools. There are two ways that Use Case Diagram and Static Structure Diagram. The article describes the function of database application system, data structure and relationship on the heating-pipe network. The data structure model makes it more clear and lower redundancy when the developers are developing an application system of database.

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Kaliappan, Vasanthi, and Norhayati Mohd Ali. "Improving Consistency of UML Diagrams and Its Implementation Using Reverse Engineering Approach." Bulletin of Electrical Engineering and Informatics 7, no. 4 (2018): 665–72. http://dx.doi.org/10.11591/eei.v7i4.1358.

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Software development deals with various changes and evolution that cannot be avoided due to the development processes which are vastly incremental and iterative. In Model Driven Engineering, inconsistency between model and its implementation has huge impact on the software development process in terms of added cost, time and effort. The later the inconsistencies are found, it could add more cost to the software project. Thus, this paper aims to describe the development of a tool that could improve the consistency between Unified Modeling Language (UML) design models and its C# implementation u

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Panigrahi, Satya Sobhan, and Ajay Kumar Jena. "Optimization of Test Cases in Object-Oriented Systems Using Fractional-SMO." International Journal of Open Source Software and Processes 12, no. 1 (2021): 41–59. http://dx.doi.org/10.4018/ijossp.2021010103.

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This paper introduces the technique to select the test cases from the unified modeling language (UML) behavioral diagram. The UML behavioral diagram describes the boundary, structure, and behavior of the system that is fed as input for generating the graph. The graph is constructed by assigning the weights, nodes, and edges. Then, test case sequences are created from the graph with minimal fitness value. Then, the optimal sequences are selected from the proposed fractional-spider monkey optimization (fractional-SMO). The developed fractional-SMO is designed by integrating fractional calculus a

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Perfilyev, Vladimir, Yuri Gromov, Andrey Gazha, and Alexey Baranov. "Designing an Intelligent System of Social Danger Risk Assessment for Forensic Psychiatry." Modern Applied Science 10, no. 7 (2016): 147. http://dx.doi.org/10.5539/mas.v10n7p147.

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<p>The present article is dedicated to design of intelligent system, which will help to make a risk assessment of socially dangerous acts committed by mental patients. In this article the author proves necessity of such system and describes steps of designing of its structure. Authors educed characteristics which influence on decision about need of regular medical checkup and choosing a type of coercive treatment. These characteristics presented as fuzzy variables and divided into three groups: "Socio-demographic characteristics", "History of Life", "History of the disease". During on th

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Kalichkin, V. K., R. A. Koryakin, K. Yu Maksimovich, A. A. Sigitov, and R. R. Galimov. "Conceptual model of land agroecological properties." Siberian Herald of Agricultural Science 50, no. 1 (2020): 73–80. http://dx.doi.org/10.26898/0370-8799-2020-1-9.

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In order to solve the problem of the land agroecological estimation (natural resources potential) automation and artificial information system development, it is necessary to make the domain knowledge (DK) conceptualization, or conceptual modelling. The unified modelling language (UML) was chosen as a descriptive system. Three abstract objects (class, attribute and relationship) were selected to describe 33 concepts for land plot basic natural characteristics and 13 significant nature process aspects regulating changes of those characteristics. For 6 DK concepts abstract object “class” was cho

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Jhan, Syun Sheng, Chung An Teng, and Shao Hsuan Yeh. "Analysis and Design of Semantic Web Services Using MDA and SBC Structure." Applied Mechanics and Materials 284-287 (January 2013): 3340–44. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.3340.

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The software analysis and design could be executed by Object Oriented architecture, but it might be unsuitable for Web Services due to their interoperability and transmission. Oppositely, the Service-Oriented and Resource-Oriented Architectures should allow of them. The software builds up a bridge between two Internet services or resources. This study has proposed what software analysis and design of Web Services can adopt the Structure-Behavior Coalescence Diagram and UML-like state and class diagrams as domain description language with Model-Driven Architecture development cycle. The case st

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Sun, J. K., Zhao Qian Li, Chuan Zhen Huang, and Qi Gao. "Framework and Modeling of Networked Manufacturing for Automobile Die." Key Engineering Materials 315-316 (July 2006): 30–34. http://dx.doi.org/10.4028/www.scientific.net/kem.315-316.30.

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To improve the collaboration efficiency of the networked manufacturing coalition for automobile die enterprise, the networked manufacturing system framework is put forward. Then the information model, resource model and organization structure model are studied one of the other. The information model contains three layers lengthways and the product lifecycle is divided into 5 stages on landscape; for the resource model, the resource is classified and described, the relationship between resource entities is analyzed. The participants of each member enterprise are grouped according to the task re

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Liu, Yuan Yong. "The Study on Component Composition Based on Extend UML 2 Component Diagrams." Advanced Materials Research 442 (January 2012): 129–33. http://dx.doi.org/10.4028/www.scientific.net/amr.442.129.

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In order to push the composition of components a further step forward, the component language CompJava introduces structural units of component code that may participate via the intermediary of plugs in the composition process. An extension of UML 2 component diagrams by the new features has proven very valuable in order to visualize the compositional structure of components for a better understanding and communication. The transformation of a CompJava component diagram into the CompJava language is straightforward and precisely defined.

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Sunardi, Sunardi, Abdul Fadlil, and Tresna Yudha Prawira. "Desain Sistem Berorientasi Objek Pada Retail Minimarket Surya Mart." Jurasik (Jurnal Riset Sistem Informasi dan Teknik Informatika) 4, no. 1 (2019): 55. http://dx.doi.org/10.30645/jurasik.v4i1.117.

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The process of a minimarket retail business needs a system infrastructure so that the management process is easier to do and business processes can run more effectively. In this research, a system design process is carried out to give an overview of the business units at the Surya Mart minimarket retail, to create a system design object-oriented system analysis by making a UML diagram (unified modeling language) including making use case diagrams, activity diagrams, sequence diagram, and class diagram. From the results of the analysis, the results of this study obtain the results of a design o

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Huang, Yen-Chieh, and Chih-Ping Chu. "Developing Web Applications Based on Model Driven Architecture." International Journal of Software Engineering and Knowledge Engineering 24, no. 02 (2014): 163–82. http://dx.doi.org/10.1142/s0218194014500077.

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Model Driven Architecture (MDA) is a new software development framework. This paper presents a model-driven approach to the development of Web applications by combining Conallen's web applications design concept and Kleppe's MDA process. We use the UML extension mechanism, i.e. stereotypes, to define the various web elements, and use the Robustness diagram to represent MVC 2 structure for Web application. After required analysis, we start by using a use case diagram as CIM, and then transform CIM to PIM, and PIM to PSM. We propose mapping rules for model-to-model transformation. Finally, we de

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Rábová, Ivana. "Using UML and Petri nets for visualization of business document flow." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 60, no. 2 (2012): 299–306. http://dx.doi.org/10.11118/actaun201260020299.

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The article deals with two principles of business workflow modeling, Petri nets and UML notation, that are the acceptable approaches to business modeling and can be used also for business documents workflow. The special type of Petri nets, WF-nets and UML activity diagrams are used in this article and both modeling ways are presented on the concrete business workflow and then there are presented and specified their advantage and disadvantage for business documents flows. At beginning it is explained the word workflow in context business documents, its features, principles and using in business

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KAZANTSEV, ALEXANDR. "THE PROBLEM OF DETECTING THE SATELLITE STRUCTURE OF A LINK BY MONOTONIC SIMPLIFICATION." Journal of Knot Theory and Its Ramifications 20, no. 01 (2011): 109–25. http://dx.doi.org/10.1142/s0218216511008644.

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In a recent work "Arc-presentation of links: Monotonic simplification", Dynnikov shows that each rectangular diagram of the unknot, composite link, or split link can be monotonically simplified into a trivial, composite, or split diagram, respectively. The following natural question arises: Is it always possible to simplify monotonically a rectangular diagram of a satellite knot or link into one where the satellite structure is seen? Here we give a negative answer to that question both for knot and link cases. An example of a torus embedding that cannot be obtained from ordinary "thin" torus b

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Jaenudin, Jejen, Muhamad Fikri Andriansyah, and Sahid Hudjimartsu. "Aplikasi Pelayanan Departemen Teknologi Informasi Dompet Dhuafa Pendidikan Berbasis Web." KREA-TIF 6, no. 1 (2018): 21. http://dx.doi.org/10.32832/kreatif.v6i1.2181.

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<h1 align="center"><strong>Abstraks</strong></h1><p>Departemen TI di dompet dhuafa pendidikan menggunakan sistem konvensional pada proses penerimaan layanan service-nya. Proses penerimaan layanan tersebut dilakukan dengan cara mengisi form layanan dan diajukan serta disimpan pada tempat penerimaan layanan yang berada di departemen TI. Pada sistem tersebut, masih menggunakan form yang tercetak dan seringkali adanya permintaan layanan yang terlewat dan tidak sesuai dengan urutan antriannya. Pada penelitian ini dirancang suatu aplikasi yang mampu melayani proses perm

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Mehta, A. P., T. Y. Makogon, R. C. Burruss, R. F. Wendlandt, and E. D. Sloan. "A composite phase diagram of structure H hydrates using Schreinemakers' geometric approach." Fluid Phase Equilibria 121, no. 1-2 (1996): 141–65. http://dx.doi.org/10.1016/0378-3812(96)03007-5.

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Liu, Zhen, Chang Xin Liu, and Sheng Wei Yang. "A Study on Data Flow Model of Web to Print." Advanced Materials Research 201-203 (February 2011): 1412–15. http://dx.doi.org/10.4028/www.scientific.net/amr.201-203.1412.

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As to the complexity data transmission and processing of web to print（W2P） system, The input and output of these data are analyzed and classified in this paper, based on the actual demand of ShangHai TongKun Digital Printing Enterprise, structure analysis method are used to construct the data model of W2P as a form of Data Flow Diagram(DFD), and then the single order’s business flow model are built with Uniform Model Language(UML). At last, both the two models are combined to illustrate the corresponding relationship in the data exchanges. This study is helpful to analyze data of W2P system an

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Doligalski, Michał, and Marian Adamski. "Petri Net Based Specification in the Design of Logic Controllers with Exception Handling Mechanism." International Journal of Electronics and Telecommunications 58, no. 1 (2012): 43–48. http://dx.doi.org/10.2478/v10177-012-0006-6.

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Petri Net Based Specification in the Design of Logic Controllers with Exception Handling Mechanism Hierarchical Petri nets beside UML state machine diagrams, sequentional function charts (SFC) and hierarchical concurrent state machines are common solution for specification of logic controllers. These specification formats provide both concurrency and modeling on multi levels of abstraction (hierarchic approach). But only state machine diagrams supports exceptions handling in direct way. Program model presented in form of state machine diagram may be later transformed into a program in the SFC

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NIEPOSTYN, Stanis�aw. "The Sufficient Criteria For Consistent Modelling Of The Use Case Realization Diagrams With A New Functional-Structure- Behaviour UML Diagram." PRZEGL�D ELEKTROTECHNICZNY 1, no. 2 (2015): 33–37. http://dx.doi.org/10.15199/48.2015.02.08.

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Zhang, Liu Mei, Tian Shi Liu, and Shao Wei Pan. "Artificial Neural Network for 4D Reservoir Modeling System Design." Applied Mechanics and Materials 268-270 (December 2012): 1783–89. http://dx.doi.org/10.4028/www.scientific.net/amm.268-270.1783.

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In quantitative geological modeling with an artificial neural network approach, time information can be considered as input variable to better describe dynamic evolution patterns of reservoir parameters. Such approach requires independent programming to implements 4D reservoir modeling systems and thus introduces a new research area with great development potential. This paper is dedicated to implement a 4D reservoir modeling system by neural network. It explains the development process with detailed activities vary from determine the execution process and organization structure at one extreme

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Kurniawan, Yohannes, Devyano Luhukay, and Titan Halim. "Pengembangan Sistem Informasi Akuntansi untuk Proses Produksi pada PT. Xyz." ComTech: Computer, Mathematics and Engineering Applications 5, no. 1 (2014): 224. http://dx.doi.org/10.21512/comtech.v5i1.2615.

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The purpose of the research is to identify and analyze the need of accounting information system for processes, procedures, and documents related to the production process at PT XYZ, which design the useful of accounting information systems to support business processes that occur. The design method used in this research is a method of Object Oriented Analysis and Design (OOAD) with the UML notation, including: use case diagram, class diagram, and component architecture. Analyzes performed related to the organizational structure and business processes based on the theory of accounting informat

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Arakcheeva, Alla, Phil Pattison, Gervais Chapuis, Helmuth Berger, Neven Barisic, and Laszlo Forro. "One-dimensional composite host–guest structure in BaVS3." Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 77, no. 1 (2021): 115–22. http://dx.doi.org/10.1107/s2052520620016108.

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A detailed synchrotron X-ray diffraction (XRD) study performed with a single crystal of BaVS3 (barium vanadium trisulfide) in the temperature range between 10 and 295 K is reported. Aside from the known tetragonal–orthorhombic (240 K) and orthorhombic–monoclinic (69 K) phase transitions, in the 130 < T ≤ 295 K range the overall structure can be viewed as a host–guest (H–G) composite. The BaS3 matrix is the host, while the V-chains form the guest. The two subsystems lock in at T LOCK = 130 ± 20 K. This temperature is marked by a symmetry change from orthorhombic to monoclinic. This results i

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MIRANSKY, V. A., TATSUHIKO NONOYAMA, and KOICHI YAMAWAKI. "ON THE PHASE DIAGRAM OF ASYMPTOTICALLY FREE GAUGE THEORIES WITH ADDITIONAL FOUR-FERMION INTERACTION." Modern Physics Letters A 04, no. 15 (1989): 1409–17. http://dx.doi.org/10.1142/s021773238900160x.

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In the ladder asymptotically free gauge models with one-loop running coupling constant and additional four-fermion interaction, the structure of the phase diagram in coupling constants is determined. The anomalous dimension γm of the composite operator [Formula: see text] is calculated on the full critical line of the diagram. The possibilities of the examination of the phase diagram of such theories in lattice computer simulations are discussed.

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Bielecka, Elzbieta, and Agnieszka Zwirowicz-Rutkowska. "Organisational aspects of spatial information infrastructure in Poland." Geodesy and Cartography 62, no. 1 (2013): 85–95. http://dx.doi.org/10.2478/geocart-2013-0006.

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Abstract One of the more important elements of spatial information infrastructure is the organisational structure defining the obligations and dependencies between stakeholders that are responsible for the infrastructure. Many SDI practitioners and theoreticians emphasise that its influence on the success or failure of activities undertaken is significantly greater than that of technical aspects. Being aware of the role of the organisational structure in the creating, operating and maintenance of spatial information infrastructure (SII), Polish legislators placed appropriate regulations in the

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Ye, Jian Ping, and Lin Xiang Shi. "Neural Network Model and Design Patterns on Fuzzy Evaluation System of Special Electromechanical Equipment." Advanced Materials Research 510 (April 2012): 239–43. http://dx.doi.org/10.4028/www.scientific.net/amr.510.239.

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According to the physical characteristics and safety requirements, the evaluation levels of special electromechanical equipment were created. The five-layer neural network model was created according to the multi-layer neural network model. The first layer is input layer, the last layer is output layer, and the others are hidden layers. The software structure of evaluation system was designed, and the main class diagram was designed with UML. The relations among views, data model and dispatch controller were designed with MVC pattern. The factory method was used to instantiate view objects acc

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Mwakondo, Fullgence Mwachoo. "Modeling a Competence-based Industry Role Selection System for University Graduates Using Machine Learning." Multidisciplinary Journal of Technical University of Mombasa 1, no. 1 (2020): 15–25. http://dx.doi.org/10.48039/mjtum.v1i1.11.

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This paper presents a design of a system for industry role selection, representing both its structure and behavior. Knowing the right industry role that suits a graduate based on their competences on graduation has remained a critical matter for graduates when searching for jobs after graduation. Thousands of university students graduate each year and enter the market to search for jobs that are limited. Searching without prior information on the most appropriate industry role one is suitable for leads to blind search. Blind search not only puts graduates at risk of long-term unemployment and

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HUANG, LIYU, HONGXIN ZHANG, YUANYUAN XU, and PENGFEI HE. "A NOVEL COMPOSITE RIGHT/LEFT-HANDED TRANSMISSION LINE FOR DUAL-BAND APPLICATIONS." Journal of Nonlinear Optical Physics & Materials 22, no. 04 (2013): 1350038. http://dx.doi.org/10.1142/s0218863513500380.

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A composite right/left-handed transmission line (CRLH-TL) composed of a substrate and X-shaped metal patches is proposed and investigated theoretically as well as experimentally. The scattering parameters are investigated both in electromagnetic (EM) simulation and equivalent circuit model simulation, it is found that the structure works as a dual band CRLH-TL having the first right-handed passband and the second balanced CRLH frequency band at the resonant frequencies of 6.27 GHz and 13.45 GHz, respectively. Moreover, the required equations and the dispersion diagram derived from the equivale

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Yu, Ben Cheng, Zhi Hao Yin, Yong Yang, and Zhi Feng Wang. "A Composite Pulse Modulated Signal Compression and DSP Implementation." Advanced Materials Research 734-737 (August 2013): 3244–47. http://dx.doi.org/10.4028/www.scientific.net/amr.734-737.3244.

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Linear frequency modulated signal and the two-phase encoded signals are widely used in pulse compression radar system derived, based on the analysis of the two signals, a linear frequency modulated with chaotic two-phase coding complex modulated signals. Versatility advantages of simple structure, radar signal processing using DSP signal processing devices. TI's TMS320C6713 DSP as the core basis works to achieve a common structure, the composite modulation signal frequency domain digital pulse compression processing, given the realization of the system block diagram and pulse pressure results.

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Zhang, Li Na, Ci De Peng, and Ting Shu. "Study on Performance of Fiber Reinforced Concrete Composite Beam Structure." Key Engineering Materials 723 (December 2016): 720–24. http://dx.doi.org/10.4028/www.scientific.net/kem.723.720.

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FRP (fiber reinforced polymer material) having a high specific strength and specific modulus, good corrosion resistance and other advantages. FRP materials in civil engineering industry has been more and more popular, and gradually become a hot issue in the world. In order to take full advantage of a variety of materials and overcome the problems in the FRP structure, this paper mainly studies the composite structure of FRP and traditional materials, namely FRP-concrete composite beam structure. The mechanical parameters of FRP (mainly including CFRP and GFRP) were selected. And the stress -st

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Hajjej, Fahima, Yousra Bendaly Hlaoui, and Leila Jemni Ben Ayed. "Generic E-Assessment Process Development based on Reverse Engineering." International Journal of Information and Communication Technology Education 13, no. 2 (2017): 1–17. http://dx.doi.org/10.4018/ijicte.2017040101.

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The e-assessment, as an important part of any e-learning system, faces the same challenges and problems such as problems related to portability, reusability, adaptability, integration and interoperability. Therefore, we need an approach aiming to generate a general process of the e-assessment. The present study consists of the development of a generic e-assessment process which should be adapted to any learner profile. This e-assessment process is implemented as a composite cloud service which could be invoked by any existing LMS regardless of its environment. The authors are brought the abstr

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Gawdzińska, K., and M. Gucma. "Two-Criteria Analysis of Casting Technologies of Metal and Composite Foams." Archives of Metallurgy and Materials 60, no. 1 (2015): 305–8. http://dx.doi.org/10.1515/amm-2015-0049.

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AbstractThe determination of potential areas of application for metal foams allows to precisely define properties these materials are expected to have. The characteristics of metal foams are strictly related to their cellular structure, which in turn depends on the manufacturing method and materials used. Obviously, metal foam producers should strive to make these materials using inexpensive, or cost-effective technologies, yielding possibly good quality and being environment-friendly. This paper briefly characterizes the manufacturing of metal and composite foams by casting methods. We determ

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Vintilescu, Alina, Jeremy Jallageas, Jean Yves K'Nevez, and Mehdi Chérif. "Optimizing the Drilling Process of Multi-Layer Materials Using Vibration Analysis." Applied Mechanics and Materials 325-326 (June 2013): 28–33. http://dx.doi.org/10.4028/www.scientific.net/amm.325-326.28.

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Composite in aircraft structures has become increasingly important and should represent approximately 50% in mass till 2012. During the structure assembly, in aerospace centres of production there are used pneumatic positive feed units (also called automatic drilling units). They are manually positioned on specific grids to drill the panels of structure (assemblies of composite materials, aluminium and titanium). This article compares vibration-assisted drilling and non-vibratory drilling and presents the advantages of using vibrations in the process. The conclusions will show the results obta

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Manole, E. M. "Detecting the Most Important Classes from Software Systems with Self Organizing Maps." Studia Universitatis Babeș-Bolyai Informatica 66, no. 1 (2021): 54. http://dx.doi.org/10.24193/subbi.2021.1.04.

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Self Organizing Maps (SOM) are unsupervised neural networks suited for visualisation purposes and clustering analysis. This study uses SOM to solve a software engineering problem: detecting the most important (key) classes from software projects. Key classes are meant to link the most valuable concepts of a software system and in general these are found in the solution documentation. UML models created in the design phase become deprecated in time and tend to be a source of confusion for large legacy software. Therefore, developers try to reconstruct class diagrams from the source code using r

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Szymański, Rafał. "Quality Control Process of Manufactured Composite Structures." Transactions on Aerospace Research 2017, no. 1 (2017): 95–103. http://dx.doi.org/10.2478/tar-2017-0009.

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Abstract The paper includes a description of the composite material used in the aviation industry. It presents the technological development of composites in terms of their use in the most important elements of the aircraft structures, such as a spar and aircraft wing sheathing, which are subjected to high loads during operation. The type of the material implemented for production was listed and the most commonly occurred incompatibilities during the carbon pre-impregnate manufacture and transport were described. The manufacture diagram of composite elements with a polymer matrix was presented

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Luo, Haitao, Jia Fu, Peng Wang, and Haonan Wang. "Design analysis and experimental verification of vibration reduction of spatial composite damping truss structure." Advances in Mechanical Engineering 10, no. 12 (2018): 168781401881934. http://dx.doi.org/10.1177/1687814018819346.

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In order to solve the problem that the photoelectric instrument may fail when the vibration response of the truss composite structure is too large, the method of applying the viscoelastic-constrained damping layer on the truss wall and the box panel is used to reduce the vibration of the whole structure. In this article, a broken long tube with viscoelastic-constrained damping layer is introduced. The long tube of the original structure is broken into two identical short tubes, and a tube with free damping layer is added to the junction of the two short pipes, which is connected by adhesive an

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Meng, Yu-shan, Li Yan, Wei Huang, and Tian-tian Zhang. "Detailed Parametric Investigation and Optimization of a Composite Wing with High Aspect Ratio." International Journal of Aerospace Engineering 2019 (July 11, 2019): 1–27. http://dx.doi.org/10.1155/2019/3684015.

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The large deformation problem of the wing with high aspect ratio cannot be avoided due to the large bending moment and poor torsional stiffness. The wing design follows the following procedure; firstly, the design indexes of high aspect ratio wing are preliminarily formulated referring to some parameters of the Predator UAV. Then, the aerodynamic analysis of the wing is performed, and the stress cloud diagram is obtained. Next, the finite element model of the wing is designed, and the static analysis is conducted in the ANSYS ACP module, and the unreasonable component size is changed. An appro

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Rzhevskii, Alexander M., and Peter P. Mardilovich. "Generalized Gans—Gill Method for Smoothing and Differentiation of Composite Profiles in Practice." Applied Spectroscopy 48, no. 1 (1994): 13–20. http://dx.doi.org/10.1366/0003702944027714.

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A comparison has been made of the effectiveness of smoothing and differentiating Savitzky-Golay filters in terms of the minimization of total error criterion. The advantages of multipassing filters based on quartic/quintic (for smoothing) and cubic/quartic (for differentiation) polynomials have been proved. A generalized method is proposed for the choice of polynomial length, for both smoothing and differentiating filters, in the fine-structure analysis of composite spectra. This method follows the suggestion of P. Gans and G. B. Gill to locate an inflection point on the curve of variance of r

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Yan, Shu Juan, Li Hua Lv, Chun Yan Wei, Xiao Wang, and Yong Zhu Cui. "Design and Manufacture of 3D Flat Woven Fabric." Applied Mechanics and Materials 333-335 (July 2013): 2115–18. http://dx.doi.org/10.4028/www.scientific.net/amm.333-335.2115.

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In the ordinary loom, the 3D woven fabrics like the orthogonal/connected stitching structure, angle Alliance/interlocked stitching structure by the reasonable transformation, weaving diagram and looming draft, have been woven in this paper. Using ordinary loom weaving fabrics, it would not only save the cost of production, but also has good controllability of woven fabrics. Good structural design and integrity of the 3D woven fabrics, own tight fabric structure, superior mechanical properties, low price, and broad application prospects. The results shows that this design would give a basis for

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Lina, Yen, and Sebastian Karuna Alfasan. "Analisis dan Perancangan Aplikasi E-Meeting Berbasis Web." ComTech: Computer, Mathematics and Engineering Applications 4, no. 2 (2013): 1331. http://dx.doi.org/10.21512/comtech.v4i2.2667.

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Information technology is closely related to wide area networks. BINUS University pays much attention to the development of information technology. Yet, it has not applied all concepts of information technology. There are still activities carried out conventionally such as meeting activity. This is the main attraction of the authors to implement a new system. The purpose of this research is to analyze and design an e-meeting application of Computer Science Department of BINUS University. By using this application, user will be easyto conduct meeting without location barrier. This research is u

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Rusdi, Ibnu, and Bekti Kurniasih. "DESIGN OF WEB BASED ACADEMIC INFORMATION SYSTEM IN MADRASAH IBTIDAIYAH NURUL FALAH DEPOK." Jurnal Riset Informatika 2, no. 4 (2020): 185–92. http://dx.doi.org/10.34288/jri.v2i4.152.

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The Covid-19 pandemic requires adaptation to the New Normal in its application. Madrasah Ibtidaiyah Nurul Falah Depok designed a web-based application to bridge this so that information about students reaches their parents without having to come to school. With internet media intermediaries, of course, the process of delivering information will be faster, the System Development Life Cycle (SDLC) Model in the development of academic information systems that the author uses in designing a good system is the Waterfall model. The proposed database design is Entity Relationship Diagram (ERD) and Lo

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Hassan, Mohd Faiz, and Kok Sheng Chan. "X-Ray Diffraction Characterisation of Crystallinity and Phase Composition in Manganese Oxides Composite Prepared by Molten Salts." Scientific Research Journal 16, no. 1 (2019): 13. http://dx.doi.org/10.24191/srj.v16i1.5015.

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The manganese oxides composite was synthesised via a simple molten salts method using a purchased MnCl2•2H2O as structuring agent. The structural details of the sample are important to be studied and previously rarely reported. It was characterised using X-ray diffraction (XRD) and data analyses including fitting process were done by Search-Match and Origin software. The Vesta software was used to draw a diagram crystal structure of the as-prepared composite. The experimental results indicated that the composite has two phases, Mn3O4 and MnO2, in value of approximately 74.22% and 25.78%, separ

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Hunt, Kieran M. R., Andrew G. Turner, Peter M. Inness, David E. Parker, and Richard C. Levine. "On the Structure and Dynamics of Indian Monsoon Depressions." Monthly Weather Review 144, no. 9 (2016): 3391–416. http://dx.doi.org/10.1175/mwr-d-15-0138.1.

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ERA-Interim reanalysis data from the past 35 years have been used with a newly developed feature tracking algorithm to identify Indian monsoon depressions originating in or near the Bay of Bengal. These were then rotated, centralized, and combined to give a fully three-dimensional 106-depression composite structure—a considerably larger sample than any previous detailed study on monsoon depressions and their structure. Many known features of depression structure are confirmed, particularly the existence of a maximum to the southwest of the center in rainfall and other fields and a westward axi

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