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Browsing Faculty of Mathematics and Informatics by Title

Now showing items 75-94 of 290

European Day of the Entrepreneur '04

Damyanova, Victoria (2004-11-04)

Европейският ден на предприемача е инициатива, която има дълги традиции в Обединена Европа. Това събитие се организира в рамките на мрежата PAXIS, която цели популяризиране на успешни модели за създаване и развитие на нови ...
EVENT-DRIVEN INTEROPERABILITY FRAMEWORK FOR INTEROPERATION IN E-LEARNING INFORMATION SYSTEMS – MONITORED REPOSITORY

Petrov, Milen (IADAT-e2006, 3rd International Conference on Education, 2006-07-12)

Enormous efforts are put in both directions of the area of e-learning technologies– information and learning aspects. On one hand, there are new challenges in learning technologies, which tends to be in focus of research of ...
Experiments with Two Approaches for Tracking Drifting Concepts

Koychev, Ivan (“Serdica Journal of Computing” 1, Institute of Mathematics and Informatics - BAS, 2006)

. This paper addresses the task of learning classifier from stream of labelled data. In this case we can face problem that the underling concepts can changes over time. The paper studies two mechanisms developed for dealing ...
eXPERT approach and framework for analysing experiments with it

Stefanova, Eliza; Ilieva, Sylvia (, Proceedings of 16th International Conference on Systems for Automation of Engineering and Research (SAER’2002), 2002-09-22)

The paper introduces a light method for software development applicable to small teams developing projects characterised with often changing requirements, tight schedules, and high quality demands. The method is called ...
eXPERT approach for e-business software development

Ilieva, Sylvia; Stefanova, Eliza (International Conference TTFNE’ 2002 “BASIC TECHNOLOGIES FOR E-BUSINESS, 2002-09-18)

All Small and Medium Enterprises (SMEs) developing e-commerce and e-business software have similar business objectives as less time to the market, better quality, and cheaper cost. Current projects are very large and complex ...
Extended architecture of knowledge management system with Web 2.0 technologies

Antonova, Albena; Gourova, Elissaveta; Nikolov, Roumen (10th European Conference on Knowledge Management ECKM09, 2009-09-03)

Knowledge management systems (KMS) become increasingly important in periods of crises and economic slowdown, as many organizations are forced to lay off people, to reduce research and ICT budgets, to restructure departments ...
Extracting Patient-Related Description from Medical Records in Bulgarian

Boytcheva, Svetla; Paskaleva, Elena; Nikolova, Ivelina; Angelova, Galia (Demetra EOOD, 2009-10-29)

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 ...
Feature Selection and Generalisation for Retrieval of Textual Cases

Wiratung, Nirmalie; Koychev, Ivan; Massie, Stewart (Proceeding of the 7-th European Conference on Case-Based Reasoning. Lecture Notes in Artificial Intelligence, 2004)

Textual CBR systems solve problems by reusing experiences that are in textual form. Knowledge-rich comparison of textual cases remains an important challenge for these systems. However mapping text data into a structured ...
From eLearning to eUniversity

Nikolov, Roumen (International Conference on Computer Systems and Technologies - CompSysTech’08, 2008)

This paper analyses the specifics and the tendencies in building the knowledge society as well as the role of the universities in this process. Some European policies and programs dedicated to the new role of the ...
Giving Teachers a Hand(book) to Develop ICT-enhanced skills,

Forcheri, Paola; Molfino, Maria Tereza; Van Diepen, Nico; Stefanova, Eliza; Sendova, Evgenia (Proceedings of 3rd Balkan conference in Informatics BCI2007 “Research in informatics and information society technologies, 2007-09)

Shared web-based knowledge bases, enriched with the possibilities of discussing about their content and of proposing new one, seem to offer the opportunity to diffuse pedagogical innovation. To this aim, the knowledge ...
Gradual Forgetting for Adaptation to Concept Drift

Koychev, Ivan (Proceedings of ECAI 2000 Workshop on Current Issues in Spatio-Temporal Reasoning,, 2000)

The paper presents a method for gradual forgetting, which is applied for learning drifting concepts. The approach suggests the introduction of a time-based forgetting function, which makes the last observations more ...
Gustafson-Kessel Algorithm for Evolving Data Stream Clustering

Georgieva, Olga; Filev, D. (“ACM International Conference Proceeding Series”, Vol. 433, Intern. Conference on Computer Systems and Technologies - CompSysTech’09, 2009-06-18)

A simplified clustering algorithm that enables on-line partitioning of data streams is proposed. The algorithm applies adaptive-distance metric to identify clusters with different shape and orientation. It is ...
How to Build Up Contemporary Software Professionals - Project-Based Learning in Data Structure and Programming

Todorova, Magdalina; Hristov, Hristo; Stefanova, Eliza; Nikolova, Nikolina (Sofia University, 2010-09-11)

This article describes project-based learning (PBL) approach applied in the course Data Structures and Programming taught in Faculty of Mathematics and Informatics at Sofia University. PBL is a component of a larger and ...
How to Extend the ICT Used at Companies for Transferring and Sharing Knowledge

Antonova, Albena; Csepregi, Anikó; Marchev, Angel (Sofia University, 2010-09-11)

Knowledge sharing (KS) is recognized today as an increasingly important management problem because it reflects the capacity of organizations to absorb and profit from individual knowledge and to transform it to company ...
How to Find Anything on The Internet?

Kovatcheva, Eugenia (TopTeam Co., 1999)

In this book was describe the ways how to find necessary information, proper job or someone on the Net. There are listed a most important search engines and portals. The reader will find how to make own e-mail address ...
ICT-enhanced Teacher training for Lifelong Competence

Stefanov, Krassen; Naskinova, Irina; Nikolov, Roumen (Proc. of IMICT 2007, Boston, 2007)

In this paper we are giving an example of how Information and Communication Technologies (ICT) can enhance the process of Teacher training, and how this can be used for Lifelong Competence Development of teachers. We ...
Implementation of Advanced Technologies in Ontology-based E-learning Model

Todorova, Korneliya (Sofia University, 2010-09-11)

Paper discusses how advanced technologies like educational software and Web 2.0 tools could be successfully integrated in e-learning in order to create and deliver high quality e-learning content using ontology-based ...
Improvement of Internet marketing campaign in Chinese company --planning design

Nan, Zhang (Sofia University, 2005-09-09)

Needs and Problems: As the Internet marketing is a new concept in China, it is still not very well organized now. People are doing Internet Marketing in some wrong way as following: 1. People don’t catch the concept of ...
INFORMATION TECHNOLOGIES STRUCTURING IN THE EDUCATION THROUGH BUSINESS PROCESSES

Tsvetanov, Yasen (2008-01-18)

This paper wants to present the possibility for IT use like a tool for educational problem solving, as well as the problems following IT implementation. Great IT features does not ensure great advantages – incorrect IT use ...
Insight into challenges for researchers and Universities in Bulgaria

Gourova, Elissaveta; Gourov, N; Tashev, T (Challenges in Higher Education and Research, 2009)

The paper presents the results of studies carried out recently among Bulgarian stakeholders to investigate the career and mobility of researchers, as well as problems in industry-academia collaboration. The methodological ...