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DATESO
2004
84views Database» more  DATESO 2004»
13 years 6 months ago
Query Expansion and Evolution of Topic in Information Retrieval Systems
Approach based on clustering will be described in our paper. Basic version of our system was given in [5] allows us to expand query through special index. Hierarchical agglomerativ...
Jiri Dvorský, Jan Martinovic, Václav...
DATESO
2004
165views Database» more  DATESO 2004»
13 years 6 months ago
Multi-dimensional Sparse Matrix Storage
Large sparse matrices play important role in many modern information retrieval methods. These methods, such as clustering, latent semantic indexing, performs huge number of computa...
Jiri Dvorský, Michal Krátký
DATESO
2004
94views Database» more  DATESO 2004»
13 years 6 months ago
Concept Lattices Constrained by Attribute Dependencies
Radim Belohlávek, Vladimir Sklenar, Jiri Za...
DATESO
2004
134views Database» more  DATESO 2004»
13 years 6 months ago
Designing Indexing Structure for Discovering Relationships in RDF Graphs
Discovering the complex relationships between entities is one way of benefitting from the Semantic Web. This paper discusses new approaches to implementing -operators into RDF quer...
Stanislav Barton