1088 search results - page 184 / 218 » Probabilistic query expansion using query logs |
P2P
2008
IEEE
14 years 3 months ago
2008
IEEE
We introduce transaction rate limiters, new mechanisms that limit (probabilistically) the maximum number of transactions a user of a peer-to-peer system can do in any given period...
ICDM
2007
IEEE
14 years 3 months ago
2007
IEEE
Probabilistic latent semantic indexing (PLSI) represents documents of a collection as mixture proportions of latent topics, which are learned from the collection by an expectation...
ICANN
2005
Springer
14 years 2 months ago
2005
Springer
Text categorization and retrieval tasks are often based on a good representation of textual data. Departing from the classical vector space model, several probabilistic models have...
RIAO
1994
13 years 10 months ago
1994
Although commonly used in both commercial and experimental information retrieval systems, thesauri have not demonstrated consistent bene ts for retrieval performance, and it is di...
TREC
2008
13 years 10 months ago
2008
This paper describes our participation in the 2008 TREC Blog track. Our system consists of 3 components: data preprocessing, topic retrieval, and opinion finding. In the topic ret...