1469 search results - page 172 / 294 » Query Expansion and Query Reduction in Document Retrieval |
CIKM
2007
Springer
14 years 5 months ago
2007
Springer
Web search engines consistently collect information about users interaction with the system: they record the query they issued, the URL of presented and selected documents along w...
ICDE
2005
IEEE
15 years 4 days ago
2005
IEEE
Vertical partitioning is a well-known technique for optimizing query performance in relational databases. An extreme form of this technique, which we call vectorization, is to sto...
CLEF
2003
Springer
14 years 4 months ago
2003
Springer
The UNED phrase-based cross-language summaries were first introduced at iCLEF 2001 as a translation strategy which permitted faster document selection with roughly the same accur...
DATESO
2008
14 years 7 days ago
2008
Abstract In recent years, many approaches to indexing XML data have appeared. These approaches attempt to process XML queries efficiently and sufficient query plans are built for t...
ACSC
2008
IEEE
14 years 5 months ago
2008
IEEE
Users’ past search behaviour provides a rich context that an information retrieval system can use to tailor its search results to suit an individual’s or a community’s infor...