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Sofia University "St. Kliment Ohridski"

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Browsing OpenAIRE by Issue Date

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  • Business Intelligence Applications and Data Mining Methods in Telecommunications: A Literature Review 
    Kabakchieva, Dorina (Demetra EOOD, 2009)
    Telecommunication companies are operating today in an extremely challenging business environment. The Telecommunication industry is in possession of large quantities of data, generated from numerous operational systems, ...
  • Methodology for Seamless Supply Chain Planning 
    Sarraipa, João; Vieira, Hugo; Agostinho, Carlos; Goncalves, Ricardo (Demetra EOOD, 2009)
    Today, enterprises are typically in a constant process of acquiring and updating its information technologies, however typically without an overall view of the global inter and intra enterprise’s system integration. ...
  • A Just-In-Time Information Retrieval Agent that Provides Context Aware Support of Text Creation 
    Chenkova, Elitza; Koychev, Ivan (Demetra EOOD, 2009)
    Finding relevant resources and supplemental information that support the process of text creation is time consuming and often distracting for the author. With the increase of digitally stored information, accessing diverse ...
  • Share.TEC System Architecture 
    Stefanov, Krassen; Boytchev, Pavel; Grigorov, Alexander; Georgiev, Atanas; Petrov, Milen; Gachev, George; Peltekov, Mihail (Demetra EOOD, 2009)
    This paper presents the Share.TEC system architecture and the first system prototype. This description stresses on the main system components and underlying technologies, standards and protocols. The main system functionalities ...
  • Share.TEC Repository System 
    Stefanov, Krassen; Boytchev, Pavel; Grigorov, Alexander; Georgiev, Atanas; Petrov, Milen; Gachev, George; Peltekov, Mihail (Demetra EOOD, 2009)
    The Share.TEC system has the main goal to establish a highly visible and functional portal with advanced brokerage services that will provide personalised access to a wide-range of Teacher Education (TE) content. The heart ...
  • Graph-based Semantic Relatedness for Named Entity Disambiguation 
    Gentile, Anna Lisa; Zhang, Ziqi; Xia, Lei; Iria, José (Demetra EOOD, 2009)
    Natural Language is a mean to express and discuss about concepts, objects, events, i.e. it carries semantic contents. The SemanticWeb aims at tightly coupling contents with their precise meanings. One of the ultimate roles ...
  • Sharing Digital Resources in Teacher Education: an Ontology-based Approach 
    Alvino, Serena; Bocconi, Stefania; Boytchev, Pavel; Earp, Jeffrey; Sarti, Luigi (Demetra EOOD, 2009)
    Teacher Education (TE) is a dynamic, lifelong process that needs to fully embrace innovation and assume a broader European perspective. The ECfunded Share.TEC project aims to provide enhanced, culturally-aware access to ...
  • Myths and Realities about Technology Enhanced Learning 
    Stefanova, Eliza; Nikolova, Nikolina; Kovatcheva, Eugenia; Boytchev, Pavel; Sendova, Evgenia (Demetra EOOD, 2009)
    The article deals with some myths about teachers’ role in a technology enhanced learning process. The spectrum of myths under discussion ranges from complete rejection of ICT to their overidealization. We have come across ...
  • Towards the Development of a Research Methodology for Studying the Nature of Value Co-Creation in Internet Driven Businesses 
    Allen, Stephen; Tanev, Stoyan; Bailetti, Tony (Demetra EOOD, 2009)
    Value co-creation, is an emerging innovation, marketing and business paradigm describing how customers and users are seen as active participants in the design of personalized products, services and experiences (Prahalad & ...
  • Connecting and Sharing Open-Content Learning Resources 
    Zhu, Yi; Dicheva, Darina; Dichev, Christo; Moran, Mike (Demetra EOOD, 2009)
    While the number of learning repositories is increasing, there is no sufficient understanding of how to motivate and facilitate educators to share and reuse learning content. This paper proposes a framework addressing these ...
  • An Integrated Solution among Social, Personal and Formal Learning for Lifelong Competences 
    Mangione, Giuseppina Rita; Pierri, Anna; Salerno, Saverio (Demetra EOOD, 2009)
    In the Knowledge Society the worker should benefit from learning experiences which intersect formal learning moments with both individual and collaborative informal learning, according to a vision of authentic lifelong ...
  • Cluster to User Profile Ontology Mapping 
    Zhuhadar, Leyla; Nasraoui, Olfa; Wyatt, Robert; Romero, Elizabeth (Demetra EOOD, 2009)
    In this paper, we present an approach that uses cluster analysis techniques to extend the ontology of an E-learning domain. This approach is significantly different from any current information retrieval systems, it uses ...
  • First Steps in Ontology Development: Knowledge Portal for Software Testers 
    Gavrilova, Tatiana; Puuronen, Seppo; Alisova, Maria; Petrashe, Elena (Demetra EOOD, 2009)
    Nowadays, knowledge portals make an important contribution to enabling organizational knowledge management by providing users interactive and personalized interface which facilitates efficient access to various types of ...
  • MATTER: Metadata Migration and Annotation. Tool of Teacher Education Resources 
    Rodríguez-Triana, María Jesús; Vega-Gorgojo, Guillermo; Asensio-Pérez, Juan Ignacio; Martínez-Monés, Alejandra; Dimitriadis, Yannis (Demetra EOOD, 2009)
    Despite ongoing research on learning repositories, share and reuse of Teacher Education (TE) resources remains scarce. One of the reasons is that TE communities use their own in-house resources and repositories in a rather ...
  • Knowledge Management Applied To Business Process Reengineering 
    Kyupova, Borislava; Rees, John; Penev, Kalin (Demetra EOOD, 2009)
    The purpose of this paper is to highlight the role of knowledge management (KM) as a critical factor for the business process reengineering (BPR) success. It supports the theory that the knowledge management can supply the ...
  • Impact of Ngrams-based indexing on XML retrieval 
    Ben Aouicha, Mohamed; Tmar, Mohamed; Boughanem, Mohand (Demetra EOOD, 2009)
    We present in this paper a statistical approach of term clustering. This approach is based on a statistical analysis of NGrams shared by a pair of terms and is inspired from the t f × idf criterion commonly used in information ...
  • The Global Campus: ICT and the Global Transformation of Higher Education 
    Nikolov, Roumen (Demetra EOOD, 2009)
    This paper analyses the changes which the ICT drives in a global scale. The emergence of e-Infrastructure for e-Science, the Open Educational Resources movement, e-Libraries and the tendency of building global educational ...
  • Semantic Surfaces for Business Applications 
    Kanev, Kamen; Mirenkov, Nikolay; Brimkov, Boris; Dimitrov, Kanio (Demetra EOOD, 2009)
    In this paper we introduce the concept of semantic surfaces – surfaces which are enhanced to provide additional information to the one visible, and are able to interact with the user. We consider several approaches to their ...
  • Wireless Services in Faculty Information System 
    Mikalački, Sava; Bodroški, Žarko; Škrbić, Srđan (Demetra EOOD, 2009)
    The ongoing process of implementation of the information system of the Faculty of Science in Novi Sad has entered a new phase in which wireless services for mobile devices have been designed and implemented. In this paper ...
  • Review and Comparative Analysis of Distributed Knowledge Management Systems 
    Antonova, Albena (Demetra EOOD, 2009)
    Distributed technologies attract researchers interest as they propose many technological, but as well organizational and end-user benefits. With development of Web 2.0 and Cloud computing, distributed networks are considered ...

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