Dominik Flejter

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This paper describes a study on performance of existing unsupervised algorithms of text documents topical segmentation when applied to Polish plain text documents. For performance measurement five existing topical segmentation algorithms were selected, three different Polish test collections were created and seven approaches to text preprocessing were(More)
In this paper we address the problem of introducing semantics into Deep Web. Our main contribution is an annotation-based model for semantic, unified access to heterogeneous Deep Web sources. We discuss the problem of source navigation and semantics modeling, introduce personalized views on the ontology and demonstrate their use for navigation and(More)
Deep Web, as a rich and largely unexplored data source, is becoming nowadays an important research topic. In previous years, data extraction from Web pages has received a lot of attention. Much experience has been also already accumulated in the area of traditional, relational databases integration. Today, these research areas converge, leading to(More)
Web mining is a one class of data mining. Web Mining is a variation of data mining that distills untapped source of abundantly available free textual information. The need and importance of web mining is growing along with the massive volumes of data generated in web day-to-day life. Web data Clustering is the organization of a collection of web documents(More)
SEEMP: Meaningful Service-Based Collaboration Among Labour Market Actors p. 147 Towards a Digital Content Services Design Based on Triple Space p. 163 Evaluating Quality of Web Services: A Risk-Driven Approach p. 180 Proposal of an Architecture for a Biometrics Grid p. 195 Ontologies An Ontology Slicing Method Based on Ontology Definition Metamodel p. 209(More)
Web mining is a one class of data mining. Web Mining is a variation of data mining that distills untapped source of abundantly available free textual information. The need and importance of web mining is growing along with the massive volumes of data generated in web day-to-day life. Web data Clustering is the organization of a collection of web documents(More)