Mostar, Bosnia and Herzegovina

Dzemal Bijedic University of Mostar

www.unmo.ba
Mostar, Bosnia and Herzegovina

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Azemovic J.,Dzemal Bijedic University of Mostar
ACM International Conference Proceeding Series | Year: 2012

Ensuring privacy in modern information systems is of primary importance for the users of these environments. Use and trust of users certainly depends on the degree of privacy. Solution for the above mentioned problems can be found in application of the ,Hippocratic Databases - HDB concept". The idea is inspired by the basic principles of Hippocratic Oath to be applied on the databases in order to provide data privacy and confidentiality. Implementation and advantages of this concept have been researched for the needs of business intelligence systems and health information systems, but not of eLearning systems, until now. We have created a prototype model of e-learning environment that fully implements the principles of the HDB database. In order to prove the usability and viability of the model, we compared the performance of the production eLearning system with prototype model. The results of these studies are found in this research paper. Copyright 2012 ACM.


Music D.,Dzemal Bijedic University of Mostar
Studies in Computational Intelligence | Year: 2014

Intense and stressful group decision-making has become a daily activity in the modern business environments which caused greater interest in systems that allow simulation of group decision-making with agents as human representatives (surrogates). Development of representative agents is significantly enhanced through use of methods that allow mapping of some of the most important human traits in the world of agents. These traits are emotions, personality and mood which gain importance by their direct effect on the process of individual and therefore group decision-making. In order to provide more stable and efficient group decision-making, this chapter presents the research results of applying concepts of experience and patience to the emotional agents in eLearning environment. Concept of experience is implemented by using Reinforcement learning technique called Q-learning in combination with Self-organizing map, while concept of patience is implemented by introducing a Self-regulation coefficient. © 2014 Springer-Verlag Berlin Heidelberg.


Zlomusica E.H.,Dzemal Bijedic University of Mostar
Thermal Science | Year: 2010

Bosnia & Herzegovina state has good potentials for generation of electric power. It applies, first of all, to its water and coal potentials. In addition to this, Bosnia & Herzegovina has good potentials of certain renewable energy sources, namely: wind, sun, water flows, and biomass. Observation and measurement of wind characteristics in Bosnia & Herzegovina have been performed for over 120 years now. However, the first measurements with adequate equipment and technology aimed at determining of the wind energy potential, started in 2002. Research is still incomplete and limited by complex terrain, the wind type "Bora", as well as by non-existence of necessary strategic documents and regulations on renewables. Based on this research, several wind farms have been already planned, with an installed power of about 200 MW, and with a high coefficient of energy efficiency. This paper provides a review of localities from the wind characteristics research performed in the area of Bosnia & Herzegovina in the period 2002-2008. Additionally, it gives a brief reference to the complexity of wind potential research under complex conditions of terrain and wind type in Bosnia & Herzegovina, giving in this way a contribution to a more realistic estimate of economically feasible potential of Bosnia and Herzegovina, which will consequently help creation of needed strategic documents.


Memic H.,Dzemal Bijedic University of Mostar | Joldic A.,Dzemal Bijedic University of Mostar
ICSTE 2010 - 2010 2nd International Conference on Software Technology and Engineering, Proceedings | Year: 2010

Online social networks are popular habitats for many Web users. Research on activity patterns of individual features of online social networking systems is ongoing. Our approach on the study of these patterns is more encompassing than previous efforts. We have created a modern experimental educational online social network for the purpose of the study of network structures and communication phenomena in these websites. In this paper presented are patterns of activity usage of most classic features of online social networks: friends, private massages, forum, blog, photogallery, comment wall. Activity patterns of these features are compared against each other, also by taking into account the main user attribute. © 2010 IEEE.


Music D.,Dzemal Bijedic University of Mostar
Advances in Intelligent Systems and Computing | Year: 2013

Intense and usually stressful group decision-making has become a daily activity in the modern business environments which caused the emergence of interest in systems that allow simulation of group decision-making with agents as human representatives (surrogates). Development of representative agents is significantly enhanced through the use of methods that allow mapping of some of the most important human traits in the world of agents. These traits are emotions, personality and mood which gain importance by their direct effect on the process of individual and group decision-making. This paper presents the research results of applying the concept of patience to the emotional agents which should provide more stable and efficient group decision-making. © Springer International Publishing Switzerland 2013.


Manjgo M.,Dzemal Bijedic University of Mostar | Medjo B.,University of Belgrade | Milovic L.,University of Belgrade | Rakin M.,University of Belgrade | And 2 more authors.
Engineering Fracture Mechanics | Year: 2010

The behavior of the plates with a surface notch under tensile external loading is experimentally and numerically analyzed. The specimens were made of micro-alloyed steel NIOMOL 490K, welded by MAG (CO2) welding method. Surface notches were machined by the spark erosion method in the weld metal and heat affected zone. A finite element analysis of the specimens subjected to the tensile external loading is performed, with a simplified treatment of the heat affected zone mechanical properties. Obtained results are compared with the results of the experimental investigation, and a satisfactory agreement for the specimens containing the weld metal notch is observed. However, results for the specimen containing a notch in the heat affected zone require further investigation, including the analysis of the effects of micro structural heterogeneity. © 2010 Elsevier Ltd.


Sabic A.,Dzemal Bijedic University of Mostar | Azemovic J.,Dzemal Bijedic University of Mostar
ICETC 2010 - 2010 2nd International Conference on Education Technology and Computer | Year: 2010

Research on Computer-based Assessment (CBA) in the past decade resulted in many improvements in every aspect of assessment process. Research on unification and integration of Assessment System (AS) with other components of eLearning platform has not been covered entirely and in this paper, we present an efficient and unified model, based on the experience from Faculty of Information Technology (FIT). Our AS consists of: Question Management, Test Management, Auto Grading, Collaboration, Recommendation, Monitoring and Reporting module. With growing needs for information exchange between other systems in E-Learning Environment (E-LE), AS became a component of E-University System (EUS). Integration with EUS, offers new functionalities, improves usability and reliability of AS. Implementation of information security governance, policies, procedures and countermeasures and use of Hippocratic Database Structures, solves security and privacy issues. © 2010 IEEE.


Memic H.,Dzemal Bijedic University of Mostar
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | Year: 2010

Scholars have recently started to explore specific characteristics of increasingly popular online social networks. This paper presents Fitcolab online social network (OSN). This real life, modern OSN was created as an experimental research network which should allow for examination of various phenomena pertaining to network structure of online social networks. The main goal of the paper is to thoroughly describe and document Fitcolab OSN so that it can be easier referenced in future research work, as our research results that follow will be based on the wealth of collected data from this OSN. Additionally, anonymised network data will be gradually released to research community. The paper first presents users' wider environment and describes development process of the OSN. It then focuses on description of the final version of the system which was used to collect research data. Lastly, network boundary specification is carried out. © 2010 Springer-Verlag Berlin Heidelberg.


Memic H.,Dzemal Bijedic University of Mostar
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | Year: 2010

This paper explores visiting metrics and some of the more important general network properties of Fitcolab online social network (OSN). The wide array of statistics was explored in order to obtain general insight that will not only be useful by itself but would also serve as the starting platform for more focused research endeavors that are to be based on the same experimental network. Longitudinal OSN usage patterns are studied for number of visits, average duration of visits and number of active users. Network structural characteristics analyzed included reachability, average distance, diameter, clustering coefficient, in/out degree distributions. Longitudinal analyses of a number of structural characteristics were also carried out. Partial interpretation of the results followed. © 2010 Springer-Verlag Berlin Heidelberg.


Ercisli S.,Atatürk University | Tosun M.,Atatürk University | Karlidag H.,Inonu University | Dzubur A.,Dzemal Bijedic University of Mostar | And 2 more authors.
Plant Foods for Human Nutrition | Year: 2012

Fruit skin color, total phenolics, total anthocyanins, soluble solids content, titratable acidity and total antioxidant capacity in fresh fruits of a number of local and well-known fig (Ficus carica L.) genotypes and cultivars grown in northeastern Turkey were determined. TEAC (Trolox equivalent antioxidant capacity) and FRAP (ferric reducing antioxidant power) assays were used to determine total antioxidant capacity. Fruit skin color of genotypes were found to be very diverse, i. e., light green, light purple, purple, dark purple and black. The content of total phenolics, soluble solids content (SSC) and titratable acidity greatly varied in the range from 24 to 237 mg of gallic acid equivalent per 100 g fresh weight, 18. 60 to 26.30 % and 0.16 to 0.47 % in local genotypes and studied cultivars. In general, total antioxidant capacities determined by two methods expressed higher values in the local fig genotypes compared with the cultivars. The results suggested that genotype is the main factor that determines difference in the composition of bioactive compounds in figs and provide information on putative health benefits locally grown genotypes. © 2012 Springer Science+Business Media, Inc.

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