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Sofia University "St. Kliment Ohridski"

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  • National Country Studies on the SME Sector in the BSEC Region. Bulgaria 
    Vladimirov, Zheliu (2013-03-26)
  • NeOn Methodology for Building Ontology Networks: a Scenario-based Methodology 
    Gómez-Pérez, Asunción; Suárez-Figueroa, Mari Carmen (Demetra EOOD, 2009)
    The 1990s and the first years of this new millennium have witnessed the growing interest of many practitioners in methodologies that support the creation of single or isolated ontologies. All these approaches have supposed ...
  • Neurobiology and decision making: An intriguing rendezvous? 
    Mengov, George (2013-03-20)
    We focus on aspects of the neurobiological approach to modelling human decision making. We outline three differential equations, which comprise the heart of the method and give an example how they have been used in a neural ...
  • New data on the Bulgarian transaction sector: 1997 – 2006. 
    Egbert, Henrik; Ivanova, Maria; Chobanov, George (2013-03-20)
    Chobanov and Egbert (2007) measured the transaction sector between 1997 and 2003 for the Bulgarian economy. They report an increase in the transaction sector from below 40% to more than 50% of GDP. This indicates a fundamental ...
  • NEW RECORDS OF RARE AND THREATENED LARGER FUNGI FROM MIDDLE DANUBE PLAIN, BULGARIA 
    Gyosheva, Melania M.; Tzonev, Rossen T. (2016-04-15)
    New data about the distribution of eleven rare larger fungi for Bulgaria from the Middle Danube Plain (Pleven District) are presented in the paper. Nine species are of a high conservation value, included in the Red List ...
  • News Article Classification Based on a Vector Representation Including Words’ Collocations 
    Kompan, Michal; Bieliková, Mária (Springer-Verlag Berlin Heidelberg 2011, 2011)
    In this paper we present a proposal including collocations into the pre-processing of the text mining, which we use for the fast news article recommendation and experiments based on real data from the biggest Slovak ...
  • OBSTACLES TO THE EFFECTIVE INSTITUTIONAL CHOICE: WHY DO ECONOMICALLY EXPEDIENT INSTITUTIONS NOT ALWAYS GET IMPLEMENTED 
    Sedlarski, Teodor (Publishing House Sofia University "St. Kliment Ohridski", Sofia, 2011-11-01)
    This article examines the theoretical arguments in D. North’s theory of institutional change for why effective social rules and norms do not always succeed to replace economically inexpedient ones. An institutional development ...
  • On-Demand Learning in the Semantic Web 
    Kolarova, Daniela (Demetra EOOD, 2010)
    Learning processes need to be efficient and just-in-time for supporting the need-to-know of employees or learners. The efficient mechanisms for acquiring knowledge on demand are crucial for organizations to enhance the ...
  • Online Authoring System with Semi-automatic Annotation and Visual Knowledge Representation 
    Kiprov, Yasen; Koychev, Ivan (Sofia University, 2010-09-11)
    With the recent development of technology e-books are becoming more and more popular. Some of them already incorporate rich multimedia and hyperlinks, adding references to different resources. On the other hand, the ...
  • On some approximations used in the risk process of an insurance company 
    Covrig, Michaela; Mircea, Iulian (Publishing House Sofia University "St. Kliment Ohridski", Sofia, 2011-11-01)
    In an insurance company, the risk process estimation and the estimation of the ruin probability are important concerns for an actuary: for researchers, at the theoretical level, and for the management of the company, as ...
  • On the Knowledge Management Aspects of Digital Preservation 
    Dobreva, Milena (Demetra EOOD, 2009)
    The current digital preservation (DP) landscape is dominated by the ISO standard 14721:2003 (OAIS). This poster will present several approaches to digital preservation (policy-centric, functional, life-cycle management, ...
  • An Ontological Approach for Multicultural Digital Repositories 
    Boytchev, Pavel; Bocconi, Stefania; Stefanov, Krassen (Demetra EOOD, 2010)
    The EC funded Share.TEC project aims to provide culturally aware access to resources across Europe related to Teacher Education. The semantic core of the system is the Teacher Education Ontology (TEO), which not only ...
  • An Ontology-Based Model for Driving the Building of Software Product Lines in an ITS Context 
    da Silva, Alan Pedro; Bittencourt, Ig Ibert; Ataíde, Walker; Holanda, Olavo; Costa, Evandro; Tenório, Thyago; Brito, Patrick H. S. (Springer-Verlag Berlin Heidelberg 2011, 2011)
    The Intelligent Tutoring Systems (ITS) have been used daily to support education in several domains. For this reason, the fast and easy construction of such ITS are fundamental requirements. In this sense, Software Product ...
  • Ontology-based Recommendation System for Personalized Education of Dyslexics to Read 
    Ivanova, Tatyana; Terzieva, Valentina; Andreev, Rumen (Demetra EOOD, 2010)
    Dyslexic pupils have learning difficulties in reading, writing, maths. They require individualised education. The paper presents an approach to achievement of personalised teaching the basics of reading that applies dyslexic ...
  • Ontology Mapping Tools, Methods and Approaches – Analytical Survey 
    Ivanova, Tatyana; Terzieva, Valentina (Demetra EOOD, 2010)
    In this paper we present the results of browsing, analyzing and comparing many ontology mapping tools, approaches and methods. We extract and classify valuable parameters for strict and unambiguous tool or method description. ...
  • Open PhD Workshop on Technology-Enhanced Learning and Semantics, Software and Services 
    Yordanova, Stanimira (Bulgarian Academy of Science, 2008-09-03)
    The 7FP project SISTER focuses, especially, on strengthening the PhD and PostDoc level of education and training of researchers, and thus attracting more young scientists to the research profession and retaining them. The ...
  • ORGANIZATIONAL DETERMINANTS OF LABOUR MOBIITY ATTITUDES 
    Davidkov, Tsvetan (Publishing House Sofia University "St. Kliment Ohridski", Sofia, 2011-11-01)
    This paper examines labour mobility attitudes (LMA) in Bulgarian organizations and their dynamics in the period 2001- 2008. Several hypotheses about the effect of the following 4 groups of organizational factors are tested ...
  • Overview of ILP Systems 
    Boytcheva, Svetla (Journal of Cybernetics and Information Technologies, 2002)
    The current paper presents a brief overview of Inductive logic programming (ILP) systems. ILP algorithms are of special interest for machine learning, because most of them offer practical methods for extending the presentations ...
  • Participation of the Republic of Bulgaria in the Comitology Procedures - New Responsibilities 
    Georgiev, Vihar (St. Kliment Ohridski University Press, 2010)
    In this study an attempt will be made to outline the historical development of the legal regulation towards the comitology procedures in the Republic of Bulgaria, analyzing the strengths and weaknesses of the legislative ...
  • Partitioning Simulation Objects in Distributed Environment 
    Valchanov, Hristo; Ruskova, Nadezhda; Ruskov, Trifon (Demetra EOOD, 2010)
    The parallel discrete event simulation (PDES) is a main approach to improve the execution of a simulation by distributing it between multiple processors. The mapping of the simulation entities over the processors is very ...