737 papers found .

61. BPMN Serialization - Step Toward Busssiness & IT alignment

ICIST 2016 Proceedings Part II, 308-311
Prlinčević Gordana, Oklobdžija Sonja, Oklobdžija Danilo
Abstract: This paper points out the importance of using standardized tools for notation and exchange or execution of business processes. Presented service oriented platform enables business IT alignment and make companies open for collaboration in global business environment. Special attention is given to methods for serialization or converting notation of business processes to forms suitable for computer processing. This business-IT alignment enables the efficient use of all resources in order to achieve business goals in real time.

62. Smart watch access control application based on Raspberry Pi platform

ICIST 2016 Proceedings Part II, 312-315
Antić Marina, Kosanović Miloš, Stošović Slavimir
Abstract: In this paper we described a system that allows access to the laboratory by unlocking the electromechanical lock with the smartwatch device, collecting the data about the working conditions (temperature and humidity) in the laboratory, keeping records of the present members and the preparation of the reports of the working time. The main hardware component of this system is the Raspberry Pi, which serves as the local server for the database of the registered users. Creating the user accounts and the registration of smartwatch devices for the control is performed in the PHP Web application. The software modules are realized by HTML, CSS, JavaScript, jQuery, Python, and PHP with the integration of the MySQL database.

63. Detection and analysis of aperiodic ionospheric D-layer disturbances

ICIST 2016 Proceedings Part II, 316-320
Raičević Dušan, Bajčetić Jovan, Nina Aleksandra
Abstract: This paper provides overview of a procedure developed for detection and analysis of non-periodic ionospheric D-layer disturbances induced by solar X-ray flares, intensive γ-ray bursts, cyclones, earthquakes, etc. This procedure is universally applicable for primary VLF and LF signal processing, which we use for spatial radio probing of the lower layers of ionosphere.

64. Creating a Decision Making Model Using Association Rules

ICIST 2016 Proceedings Part II, 321-326
Istrat Višnja
Abstract: Being a highly significant and complex function of management, decision making requires methods and techniques which simplify the process of selecting one choice among all available options. Decision making is therefore selection of that particular choice over any of several alternatives. Due to the process complexity, a continuous research and improvement of the methods and techniques modern decision making involves is required. One of many modern business challenges is to discover any possible improvement in the decision making process managers shall use in making the right decision. Any decision made by managers directly impacts the realized profit, business and company’s position on the market. The contribution of the paper is showing the importance of association rules in modern decision-making.

65. Sensor Signal Processing for Biofeedback Applications in Sport

ICIST 2016 Proceedings Part II, 327-330
Umek Anton, Kos Anton, Tomažič Sašo
Abstract: This article explains technological challenges of real-time biofeedback in sport. Motion tracking systems, in connection to the biomechanical biofeedback, help in accelerating motor learning. Requirements about various parameters important in real-time biofeedback applications are discussed. Studies are done on specific biofeedback problems in various sports. Problems addressed are sensor accuracy, movement dynamics, system data rate, and processing demands. Inertial sensor tracking system accuracy is tested in comparison with a high performance optical tracking system. Sensor signal acquisitions and realtime processing challenges, in connection to biomechanical biofeedback, are presented

66. Mapping scheme from Greenstone to CERIF format

ICIST 2016 Proceedings Part II, 331-336
Penca Valentin, Nikolić Siniša, Ivanović Dragan
Abstract: This paper describes the basics of the Greenstone institutional repository and CRIS systems and their data models. The result of this research is mapping scheme of the data from Greenstone to the CERIF standard.

67. Role of pivot meta-model in automatic generation of meta-model extensions

ICIST 2016 Proceedings Part II, 337-341
Zečević Igor, Perišić Branko, Bjeljac Petar, Venus Danijel
Abstract: Until recently, the approaches of creating domain specific languages "from scratch" and extending existing languages represented adverse solutions that cannot be integrated in a unique model driven process. The main reason was the lack of a suitable formal theoretical framework that, based on the domain specific languages metamodel, enables the automatic generation of a final number of syntactically valid metamodel extensions. In this paper, the use of the Pivot metamodel concept is described. This metamodel enables the transformation of elements from one metamodel into extensions of another, regardless the compatibility level of their meta-metamodel. The rules and restrictions for transforming random models into the Pivot metamodel are also presented.
Abstract: In this paper, the ratio of the Rician random variable and the product of two Rayleigh random variables is considered. Moreover, the average level crossing rate of the ratio using Laplace approximation formula for two-fold integrals is calculated. Obtained results can be applied in performance analysis of wireless mobile communication system operating over LOS (line-of-sight) multipath fading channel in the presence of CCI (co-channel interference) which originate from wireless relay communication system with two sections subjected to NLOS (non line-of-sight) multipath fading. The influence of different system parameters on the average level crossing rate of the ratio of Rician random variable and product of two Rayleigh random variables is graphically presented and discussed.

69. E-government based on GIS platform for the support of state aid transparency

ICIST 2016 Proceedings Part II, 346-350
Kranjac Mirjana, Sikimić Uroš, Simić Ivana, Tomić Srđan
Abstract: Authors of the paper present solution for the transparency of various types of state aid to the citizens. They are using ICT concept which consists of the geographic information systems (GIS) application incorporated within e-government platform for the geo- referenced presentation of the different types of financial supports. The use of GIS in this way is presented through the case study of the subsidies for self employment of unemployed persons given by the Provincial government of Vojvodina.

70. Process Modeling Method for Higher Education Institutions based on BPR

ICIST 2016 Proceedings Part II, 351-355
Rudek Marcelo, Cavalheri Evandro Henrique, Canciglieri Jr. Osiris, Correia Ana Maria Magalhães, Almeida Marcia Cristina Alves dos Anjos
Abstract: Reengineering means radically rethinking the processes. In this sense, the objective of this article is to propose a conceptual model of a method of modeling processes adapted to Higher Education Institutions - HEI, based on the BPR - Business Process Reengineering. HEI is a type of company that has activity in order to provide services, but their operations have specific characteristics and a high level of complexity. The method can be applied in different processes in an HEI, because it covers specifics of the activity for possible significant improvements. To develop the method, concepts such Operations Strategy added to concepts of Business Process Management, based on the reengineering of processes were applied. The key advantage is that the application of proposed method, can ensure that the process is aligned with the strategy. For the application of the method 6 stages are defined. Therefore, the method can add the strategic result.

71. Network drawing application for use in modern web browsers

ICIST 2016 Proceedings Part II, 356-358
Letić Marko, Atlagić Branislav, Ivetić Dragan
Abstract: The problem of client-side drawing of electrical network elements on a city map in a web browser is analyzed in this paper. Element drawing is programmed in JavaScript language with the support of Cascading Style Sheets and Hyper Text Markup Language 5 elements. Algorithms for object clustering and best fit view are implemented in this solution. Application performance is analyzed in different web browsers and on different platforms.

72. Web applications development using a combination of Java and Groovy programming languages

ICIST 2016 Proceedings Part II, 359-364
Mitrović Katarina, Milošević Danijela, Stefanović Nenad
Abstract: The area of this research is Web application development in Grails framework using Java and Groovy programming languages. This paper briefly describes the basic features of Grails framework, as well as the Groovy programming language, and the development of Web application using these technologies. Also, this paper presentes comparative analisys of developing different functionalities in Java and Groovy programming languages. The aim of this work is to study similarities and differences of Java and Groovy programming languages, as well as to analyse the advantages and disadvantages of applying a combination of these languages in the development of Web applications.

73. Generate User Interface Using Xtext Framework

ICIST 2016 Proceedings Part II, 365-370
Aleksić Dragana, Savić Dušan, Vlajić Siniša, da Silva Alberto Rodrigues, Stanojević Vojislav, Antović Ilija, Milić Miloš
Abstract: A very important aspect of the software development process is the cost of completing the software project. The development of the user interface is a significant part of such a process. Typically, the graphical user interface of an interactive system represents about 48% of the source code, requires about 45% of the development time and 50% of the implementation time. Therefore, if this part of the software development process can be automated in some way, it can reduce the cost of a software project. In this paper we propose a small domain-specific language for specification of a graphical user interface and present a generator for Java desktop applications. The generator should facilitate the development of a software system by automatic creation of immutable code and creation of variable code based on parameters of the input specification of the generator. For this purpose we have used an Xtext open-source framework. A small but representative example is shown to describe the whole process.

74. An approach to the semantic representation of the planning strategies

ICIST 2016 Proceedings Part II, 371-374
Arsovski Saša, Konjović Zora, Markovski Branko, Ivković Miodrag, Madić Dejan
Abstract: This paper aims to describe a methodological approach to creating ontology that should assist in creation of state development strategies and corresponding action plans (ORS). The ultimate goal of the ontology is to provide semantic description of development strategies, as well as action plans for provincial administrative bodies, i.e., basis for formal, machine-readable representation of development priorities, specific goals as well as answers to questions such as: what development priorities are, how they will be implemented, who is responsible for their implementation, and why they are being implemented in the first place. The proposed approach enables a common dictionary of terms describing the goals and priorities in the process of strategic planning to be formed, which could in turn be used by all participants involved in strategic planning.

75. Software System for Optical Recognition and Symbolic Differentiation of Mathematical Expressions

ICIST 2016 Proceedings Part II, 375-380
Perić Ivan, Jocić Marko, Obradović Đorđe
Abstract: In this paper we propose a method for optical recognition and symbolic differentiation of printed mathematical expressions. Many areas of science use differential calculus as a mechanism to model and formally represent the dynamics of many processes. Function derivation process can be pretty exhausting, especially if we need to use it too often. Basically, it’s based on the set of derivation rules which makes it suitable for automation and we will use that fact. Furthermore, to make the derivation process even faster, we will try to recognize the mathematical expression by taking a photograph of it, so the user will not have to enter complicated mathematical expressions. Maximum potential of this kind of system can be achieved by using it on a mobile platform where the user already has a mechanism to take photographs of mathematical expressions and differentiate them wherever he is. It could be used in scientific purposes to speed up the calculation process. On the other hand, it could be very helpful to students, who could check if their calculations are valid.

76. Software tool for Radon mapping and dosimetric modeling

ICIST 2016 Proceedings Part II, 381-385
Nikolić Mladen D., Stevović Svetlana M., Jovanović Jovana Đ.
Abstract: The effects of exposure to radon on workers and members of the public have been examined for many years. Recent advances have been made in evaluating the risk associated with radon exposure and in implementing remediation programs in dwellings. However, decisions about whether to implement countermeasures to reduce radon exposures may benefit from an enhanced capability to evaluate and understand the associated health risk. This research presents the development of a user friendly software package based upon current information on radon epidemiology, radon dissymmetry, demography, and countermeasure efficiency. The software has been designed to perform lung cancer risk calculations specific to populations for various exposure profiles and to evaluate, in terms of risk reduction, the efficiency of various countermeasures in dwellings. This paper presents an overview of the general structure of the software and outlines its most important modeling approaches. In this context, software has been developedbased upon current information on radon epidemiology, radon dissymmetry, radon exhalation rates, radon concentration and indoor ventilation rates. The software has been designed to perform lung cancer risk calculations for various exposure profiles and to evaluate, in terms of risk reduction, the efficiency of ventilation in dwellings. This paper presents an overview of the general structure of the software and outlines its most important modeling approaches.

77. Failure-Correction Simulation Tool Applied for Skull Prosthesis Modelling

ICIST 2015 Proceedings Part I, 3-7
Rudek Marcelo, Mendes Gustavo Campana, Jahnen Andreas
Abstract: The work presents a proposal of a computational tool applied to simulate synthetically built failures over skull bone images for use in prosthesis modelling studies. The main goal is to produce failures from known geometries to evaluate different filling processes used in bone repairing. The method is applied to the modelling of 3D prosthesis from computed tomography scans. A prototype software was developed as a plugin in Java based image processor (ImageJ). The key advantage is that testing failures can be built in a public domain image. Also the respective virtual prosthesis can be fully modeled and evaluated during study or surgical training. By using the lateral symmetry of skull, we applied a mirroring method as a study case to demonstrate the process, from the simulation of a failure up to evaluation of the solution.

78. Implementation of the Smartphone Based Biofeedback Application

ICIST 2015 Proceedings Part I, 8-12
Kos Anton, Umek Anton
Abstract: Biofeedback applications can prove useful in many areas of human activity. For example, with a system for motion tracking and the use of biofeedback one can be guided to learn the proper movement or informed of its improper execution. This could be especially useful in sports and rehabilitation. In a biofeedback system the feedback information is communicated back to the user, preferably in real time, through one of the human senses: sight, touch, and hearing. The implemented movement tracking biofeedback system requires: inertial sensor(s), a processing device and a biofeedback device. Today smartphones are readily available and more often than not include inertial sensors. The development of a smartphone based biofeedback application is therefore a logical step. The developed application tracks head movements during the execution of the golf swing. Improper head movements are detected and communicated back to the user in real time in a form of audio signals. The user acts on received biofeedback signals trying to correct the improper movement. Extensive measurements and tests were performed to confirm the correct and accurate operation of the application. The usefulness and advantages of real-time biofeedback during the golf swing execution were identified. Golf players with excessive and improper head movements considerably improved their performance after the inclusion of the biofeedback. We believe that such biofeedback systems are applicable to similar examples in sport, fitness, healthcare, and other areas of activity.

79. Application of Data Mining Algorithms for Detection of Masses on Digitalized Mammograms

ICIST 2015 Proceedings Part I, 13-18
Radović Miloš, Đoković Marina, Peulić Aleksandar, Filipović Nenad

80. Finite Element Model of Cochlea – Air Conduction and Bone Conduction

ICIST 2015 Proceedings Part I, 19-21
Isailović Velibor M., Nikolić Milica M., Milošević Žarko, Saveljić Igor, Nikolić Dalibor, Radović Miloš, Filipović Nenad
Abstract: Cochlea is part of the inner ear. The role of the cochlea is to transform outer acoustic signal into electrical impulse which is further transmitted to the brain. Two important phenomena taking place inside the cochlea: transformation of outer acoustic signal into mechanical vibration and transforming of mechanical vibration into electrical impulse which is further transmitted to the brain. Cochlea has coiled shape like snail shell. Inside cochlea there are several parts, but from aspect of mechanics, the most significant parts are two fluid chambers: scala vestibuli and scala tympani [1] and elastic basilar membrane between them. The focus of this study is on mechanical part of the cochlea. Acoustic signal can get to the cochlea in two ways: through outer ear canal and trough the bones. First way is well known. The second one means that sound signal can get into cochlea traveling through the bones of skeleton. For example, acoustic excitation can be applied on some other part of the body and acoustic wave will come into cochlea through the bones. Objective of this work is to investigate effects of conduction of acoustic signals in these two ways. In this work simplified 3D finite element model of the cochlea was used. We assumed that shape of the cochlea doesn’t affect on mechanical response of the basilar membrane [6].


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