415 search results - page 19 / 83 » Bipolar Queries and Queries with Preferences |
COLING
2010
13 years 2 months ago
2010
Precision-oriented search results such as those typically returned by the major search engines are vulnerable to issues of polysemy. When the same term refers to different things,...
VLDB
1994
ACM
13 years 11 months ago
1994
ACM
This paper introduces a formalism to describe the needs and preferences of database users. Because of the precise formulation of these concepts, we have found an automatic and ver...
MTA
2007
13 years 7 months ago
2007
Complex multimedia queries, aiming to retrieve from large databases those objects that best match the query specification, are usually processed by splitting them into a set of m ...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
To deal with the problem of empty or too little answers returned from a Web database in response to a user query, this paper proposes a novel approach to provide relevant and rank...
WWW
2010
ACM
14 years 2 months ago
2010
ACM
Click data captures many users’ document preferences for a query and has been shown to help significantly improve search engine ranking. However, most click data is noisy and of...