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Browsing OpenAIRE by Title

Now showing items 1-20 of 103

Acquiring Implicit Knowledge by Cognitive Semantics Mapping

Voinov, Alexander; Gavrilova, Tatiana (Demetra EOOD, 2010)

This paper describes one way of representation of expert’s knowledge aimed at revealing implicit semantics associated with the chosen domain. For this, two important techniques are combined. First, a space of metaphors is ...
Adaptability Approaches in Digital Libraries

Boytchev, Pavel; Grigorov, Alexander; Earp, Jeffrey; Stefanov, Krassen; Georgiev, Atanas (Demetra EOOD, 2010)

This paper examines some approaches for endowing digital libraries with adaptability capabilities in order to scaffold and enhance end user experience. The paper provides a general overview of techniques and methods commonly ...
Ad-hoc Radial Visualization of SCORM Objects with Extended Search and Keywords Handling

Angelov, Ivan; Ganchev, Ivan (Springer-Verlag Berlin Heidelberg 2011, 2011)

This paper presents a novel, mash-up web service amending the Sharable Content Object Reference Model (SCORM) objects’ presentation. It is designed to be used on its own or as complementary visualization in Learning ...
Advanced Approach for Effective Verification of Component Based Software Systems

Pavlova, Irena; Dimov, Aleksandar (Demetra EOOD, 2010)

The development of complex systems based on reusable components has many advantages such as lower costs and shortened development lifecycles. At the same time this innovative approach continues to place significant challenges ...
An Analysis and Forecast of Software and Services Research in Bulgaria – Comparing the Situation Two Years Later

Pavlova, Irena; Petrova-Antonova, Desislava; Eskenazi, Avram; Ilieva, Sylvia; Dimov, Aleksandar (Springer-Verlag Berlin Heidelberg 2011, 2011)

In [1], we had published the results of our analysis of software and services research in Bulgaria, encompassing the 2004-2008 time period. This analysis was part of the activities performed within the EU FP7 Sister ...
An Analyst’s Geospatial and Ontological Assistant

Esterline, Albert; Johnson, Roland; Carr, Edward; Wright, William (Demetra EOOD, 2010)

We discuss an Intelligence Analyst’s Geospatial and Ontological Assistant (IAGOA) under development that associates an intelligence analyst’s understanding of an agent’s activities with the geospatial features of the area ...
Applied cognitive task analysis in the context of serious games development

Antonova, Albena; Stefanov, Krassen (Springer-Verlag Berlin Heidelberg 2011, 2011)

Sophisticated Technology Enhanced Learning (TEL) instruments as training simulations and Serious Games (SG) don´t provide knowledge content in explicit form, but propose interactive solutions for learners to build their ...
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, ...
A Case Study on the Adoption of Measurable Agile Software Development Process

Iliev, Martin; Krasteva, Iva; Ilieva, Sylvia (Demetra EOOD, 2009)

Agile methodologies for software development meet the challenges of the current highly dynamic and competitive business environment. The aim of this case study is to improve existing software development process in a project ...
Classification of Online Reviews by Computational Semantic Lexicons

Kraychev, Boris; Koychev, Ivan (Springer-Verlag Berlin Heidelberg 2011, 2011)

We present a method for automatic generation of sentiment aware lexicon based on 500’000 recent online user reviews about restaurants and hotels. The experiments include an implementation of a web crawler, part of speech ...
Clustering and visualization of ECG signals

Vágner, Anikó; Farkas, László; Juhász, István (Springer-Verlag Berlin Heidelberg 2011, 2011)

Holter electrocardiographic (ECG) signals are ambulatory long-term registers used to detect heart diseases. These signals normally include more, than one channels and its duration is up to 24 hours. The principal problem ...
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 ...
Color Correction Acceleration Using a Color Cube and OpenCL

Vachev, Tenio (Demetra EOOD, 2010)

The article deals with the problem of real time color correction on modern but not dedicated video hardware, suggesting a new implementation of fast algorithm for color transformation utilizing 3D look-up tables. We focus ...
Company Management Improvement Using Electronic Tools for Analysis of Employees’ Feedback

Toteva, Kostadinka; Gourova, Elissaveta (Demetra EOOD, 2010)

The paper considers the importance of the proper human capital management for the success of organisations in the knowledge society. It provides theoretical background for human resources management and the approaches ...
Conceptual Framework of Innovative KMS Design within the Perspectives of Enterprise 2.0 and Cloud Computing

Antonova, Albena; Nikolov, Roumen (Demetra EOOD, 2009)

Today, the adoption of Enterprise 2.0 is not an option, but a must for knowledge-based organizations within the changing social paradigms. The new-coming generation of employees and customers expect the technological ...
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 ...
Cost Dependent QoS-based Discovery of Web Services

Petrova-Antonova, Dessislava (Demetra EOOD, 2010)

The role of the web services for development of distributed applications steadily increases over time. However, the rising number of available web services with the same functionality embarrasses clients during selection ...
A Data Mining-Driven Decision Support System

Borisov, Hristo; Galletly, John (Demetra EOOD, 2010)

The project is a data mining-driven decision support system that is designed to improve and assist managers in making rational and knowledgeable decisions. The system will make prediction of future e-mails overhead and ...
The Design of a Pilot Interactive Multimedia Learning System, Its Implementation and Its Evaluation through a Social Network

Mentzelou, Paraskevi (Demetra EOOD, 2010)

This study deals with the design and application of an interactive multimedia learning system catered according to students learning needs. It has been created for the Information and Communication Technologies subject in ...
Developing Expert System for Managing Maintenance Projects

Kosztyán, Zsolt T.; Hegedűs, Csaba; Kiss, Judit (Demetra EOOD, 2010)

Handling specialities of maintenance projects is a highly challenging task. On the one hand the operations of the maintenance task are fixed, and can be described with a network or process planning methods. On the other ...