334 search results - page 26 / 67 » On the Update of Term Weights in Dynamic Information Retriev... |
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
We proposed and implemented a novel clustering algorithm called LAIR2, which has constant running time average for on-the-fly Scatter/Gather browsing [4]. Our experiments showed ...
WWW
2010
ACM
13 years 7 months ago
2010
ACM
In this paper, we present Fastrack, a parameter-free algorithm for dynamic resource provisioning that uses simple statistics to promptly distill information about changes in workl...
WIDM
2004
ACM
14 years 1 months ago
2004
ACM
Organising large-scale Web information retrieval systems into hierarchies of topic-specific search resources can improve both the quality of results and the efficient use of com...
ACL
2008
13 years 9 months ago
2008
Query expansion is an effective technique to improve the performance of information retrieval systems. Although hand-crafted lexical resources, such as WordNet, could provide more...
EPIA
2009
Springer
14 years 2 months ago
2009
Springer
Computational Trust and Reputation (CTR) systems are platforms capable of collecting trust information about candidate partners and of computing confidence scores for each one of t...