494 search results - page 54 / 99 » Improving Automatic Query Expansion |
PVLDB
2008
13 years 7 months ago
2008
Data integration systems often provide a uniform query interface, called a mediated schema, to a multitude of data sources. To answer user queries, such systems employ a set of se...
ICDE
2006
IEEE
14 years 1 months ago
2006
IEEE
The publication time of a page can have a big impact on its relevance to a query, especially for time-sensitive pages such as news items. For news search engines, the publication ...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
Current web search engines return result pages containing mostly text summary even though the matched web pages may contain informative pictures. A text excerpt (i.e. snippet) is ...
TREC
2004
13 years 9 months ago
2004
York University participated in HARD and Genomics tracks this year. For both tracks, we used Okapi BSS (basic search system) as the basis. Our experiments mainly focused on exploi...
ECIR
2008
Springer
13 years 9 months ago
2008
Springer
Passage retrieval and pseudo relevance feedback/query expansion have been reported as two effective means for improving document retrieval in literature. Relevance models, while im...