448 search results - page 17 / 90 » Incorporating Non-Relevance Information in the Estimation of... |
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
Information retrieval algorithms leverage various collection statistics to improve performance. Because these statistics are often computed on a relatively small evaluation corpus...
CIVR
2004
Springer
14 years 1 months ago
2004
Springer
Most image retrieval systems only allow a fragment of text or an example image as a query. Most users have more complex information needs that are not easily expressed in either of...
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
CASCON
2001
13 years 9 months ago
2001
On Line Analytical Processing (OLAP) aims at gaining useful information quickly from large amounts of data residing in a data warehouse. To improve the quickness of response to qu...
ECIR
1998
Springer
13 years 9 months ago
1998
Springer
In many domains there are specific attributes in documents that carry more weight than the general words in the document. This paper proposes the use of information extraction tec...