Research Archive
Sofia University "St. Kliment Ohridski"

Browsing OpenAIRE by Title

DSpace/Manakin Repository

Browsing OpenAIRE by Title

Sort by: Order: Results:

  • 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 ...
  • A Digital Repository Supporting Collaboration 
    Irwin, Keith; Dicheva, Darina; Dichev, Christo (Demetra EOOD, 2009)
    Today’s digital learning repositories are focused on the process of sharing materials created elsewhere. We propose a new type of digital learning repository which is focused on on-line collaboration. This new type of ...
  • E-competencies of the Tutor in E-learning - A Comparative Study 
    Goga, Maria (Demetra EOOD, 2010)
    The E-learning system requires more competencies then the ones from traditional education. In Romania this E-learning system is just born and the status of the tutor is unclear. The tutor does not have a clear psycho-pedagogical ...
  • Effect of Technology Professional Development on Students’ e-Skills and Motivation 
    Todorova, Albena; Osburg, Thomas (Demetra EOOD, 2010)
    Empirically-based and theoretical approaches to the question how to prepare young people to succeed in the conditions of global knowledge economy argue for a more pronounced role of formal education in developing students’ ...
  • Electronic Dictionary Notebook - Enhancing the Language Learning Process 
    Zhelev, Zhelyazko; Stoyanova, Vera (Demetra EOOD, 2010)
    Upon its entry to the European Union, Bulgaria was presented with the challenge of intensive interaction with foreigners, so, speaking fluently several languages became a must. This paper presents a software application ...
  • Empirical Analysis of Software Reliability Models Predictive Ability 
    Dimov, Aleksandar (Springer-Verlag Berlin Heidelberg 2011, 2011)
    Each software system needs an evaluation of its non-functional characteristics. Reliability is one such important non-functional characteristic and currently there exist a lot of models that asses it from different ...
  • Extracting Patient-Related Description from Medical Records in Bulgarian 
    Boytcheva, Svetla; Paskaleva, Elena; Nikolova, Ivelina; Angelova, Galia (Demetra EOOD, 2009)
    This paper deals with the extraction of medical information from hospital patient records. It proposes a cascade approach for the extraction of multi-layer knowledge statements because the subject is too complex. We sketch ...
  • Fast Information Retrieval in the Open Grid Service Architecture 
    Berka, Tobias; Vajteršic, Marian (Demetra EOOD, 2010)
    Information retrieval offers resource discovery mechanisms for unstructured information and has thus been identified as a standardization goal by the open grid forum. We argue that an integration of information retrieval ...
  • Fault-Proneness Estimation and Java Migration: A Preliminary Case Study 
    Bianco, Mirco; Kaneider, Daniel; Sillitti, Alberto; Succi, Giancarlo (Demetra EOOD, 2009)
    The paper presents and discusses an industrial case study, where an eight year running software project has been analyzed. We collected about 1000 daily-versions, together with the file version control system, and bug ...

Search DSpace


Advanced Search

Browse

My Account

Statistics