441 search results - page 25 / 89 » Query expansion using random walk models |
ACL
2006
13 years 11 months ago
2006
We report on the development of a new automatic feedback model to improve information retrieval in digital libraries. Our hypothesis is that some particular sentences, selected ba...
DBISP2P
2004
Springer
14 years 3 months ago
2004
Springer
We present the InfoBeacons system, in which a peer-to-peer network of beacons cooperates to route queries to the best information sources. The routing in our system uses techniques...
CIKM
2011
Springer
12 years 9 months ago
2011
Springer
Community QA portals provide an important resource for non-factoid question-answering. The inherent noisiness of user-generated data makes the identification of high-quality cont...
PODS
2008
ACM
14 years 10 months ago
2008
ACM
We consider the navigational core of XPath, extended with two operators: the Kleene star for taking the transitive closure of path expressions, and a subtree relativisation operat...
CIKM
2008
Springer
13 years 12 months ago
2008
Springer
We introduce a unified graph representation of the Web, which includes both structural and usage information. We model this graph using a simple union of the Web's hyperlink ...