450 search results - page 31 / 90 » Concept indexing |
SIGIR
2004
ACM
15 years 3 months ago
2004
ACM
Indexing and ranking are two key factors for efficient and effective XML information retrieval. Inappropriate indexing may result in false negatives and false positives, and impro...
SIGMOD
2001
ACM
15 years 10 months ago
2001
ACM
The bit-sliced index (BSI) was originally defined in [ONQ97]. The current paper introduces the concept of BSI arithmetic. For any two BSI's X and Y on a table T, we show how ...
DLOG
2007
15 years 3 days ago
2007
We introduce a description language for specifying partial ordering relations over concept descriptions in description logics, and show how the language can be used in combination ...
DEXAW
2008
IEEE
15 years 4 months ago
2008
IEEE
— One of the critical issues in search engines is the size of search indexes: as the number of documents handled by an engine increases, the search must preserve its efficiency,...
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DASFAA
2008
IEEE
15 years 4 months ago
2008
IEEE
Graph is an important data structure to model complex structural data, such as chemical compounds, proteins, and XML documents. Among many graph data-based applications, sub-graph ...