193 search results - page 33 / 39 » Learning to Mine Query Subtopics from Query Log |
ICDM
2007
IEEE
15 years 4 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...
SIGIR
2010
ACM
15 years 2 months ago
2010
ACM
We present a document expansion approach that uses Conditional Random Field (CRF) segmentation to automatically extract salient phrases from ad titles. We then supplement the ad d...
BMCBI
2007
14 years 10 months ago
2007
Background: Identifying relevant research in an ever-growing body of published literature is becoming increasingly difficult. Establishing domain-specific knowledge bases may be a...
MLG
2007
Springer
15 years 4 months ago
2007
Springer
1 In web-related applications of image categorization, it is desirable to derive an interpretable classification rule with high accuracy. Using the bag-of-words representation and...
CIKM
2008
Springer
15 years 15 days ago
2008
Springer
In this paper we address the problem of extracting important (and unimportant) discourse patterns from call center conversations. Call centers provide dialog based calling-in supp...