2524 search results - page 56 / 505 » Numerical document queries |
ICDM
2002
IEEE
14 years 2 months ago
2002
IEEE
Previous works on automatic query clustering most generate a flat, un-nested partition of query terms. In this work, we are pursuing to organize query terms into a hierarchical s...
CIKM
2005
Springer
14 years 3 months ago
2005
Springer
The quality of document content, which is an issue that is usually ignored for the traditional ad hoc retrieval task, is a critical issue for Web search. Web pages have a huge var...
DASFAA
2008
IEEE
13 years 11 months ago
2008
IEEE
An important issue arising from XML query relaxation is how to efficiently search the top-k best answers from a large number of XML data sources, while minimizing the searching cos...
AICS
2009
13 years 7 months ago
2009
Document length normalisation is known to be a difficult problem in IR, as tuning is often needed to overcome the collection dependence problem known to affect many normalisation s...
ICDE
2007
IEEE
14 years 11 months ago
2007
IEEE
Estimating the selectivity of queries is a crucial problem in database systems. Virtually all database systems rely on the use of selectivity estimates to choose amongst the many ...