641 search results - page 91 / 129 » Studying Query Expansion Effectiveness |
SIGMOD
1996
ACM
13 years 12 months ago
1996
ACM
Many commercial database systems maintain histograms to summarize the contents of relations and permit efficient estimation of query result sizes and access plan costs. Although s...
ECCV
2008
Springer
14 years 9 months ago
2008
Springer
As the most pervasive method of individual identification and document authentication, signatures present convincing evidence and provide an important form of indexing for effectiv...
DEXAW
1999
IEEE
14 years 1 days ago
1999
IEEE
Objects like road networks, CAD/CAM components, electrical or electronic circuits, molecules, can be represented as graphs, in many modern applications. In this paper, we propose ...
DASFAA
2007
IEEE
13 years 11 months ago
2007
IEEE
In mobile ad-hoc peer-to-peer (M-P2P) networks, a large percentage of the mobile peers typically do not provide any service to the network, thereby motivating incentive schemes for...
ECIR
2004
Springer
13 years 9 months ago
2004
Springer
Cross language information retrieval is a field of study that has received significant research attention, resulting in systems that despite the errors of automatic translation (f...