1469 search results - page 229 / 294 » Query Expansion and Query Reduction in Document Retrieval |
CORR
2010
Springer
13 years 10 months ago
2010
Springer
Users of Institutional Repositories and Digital Libraries are known by their needs for very specific information about one or more subjects. To characterize users profiles and offe...
CIKM
2001
Springer
14 years 2 months ago
2001
Springer
Given a large number of search engines on the Internet, it is di cult for a person to determine which search engines could serve his/her information needs. A common solution is to...
SEMWEB
2005
Springer
14 years 3 months ago
2005
Springer
Information retrieval systems have to deal with uncertain knowledge and query results should reflect this uncertainty in some manner. However, Semantic Web ontologies are based on...
CCS
2004
ACM
14 years 3 months ago
2004
ACM
Access control can be used to ensure that database queries pertaining to sensitive information are not answered. This is not enough to prevent users from learning sensitive inform...
MM
2003
ACM
14 years 3 months ago
2003
ACM
When querying a news video archive, the users are interested in retrieving precise answers in the form of a summary that best answers the query. However, current video retrieval s...