284 search results - page 3 / 57 » Discriminative probabilistic models for passage based retrie... |
SIGIR
2009
ACM
13 years 12 months ago
2009
ACM
Although many variants of language models have been proposed for information retrieval, there are two related retrieval heuristics remaining “external” to the language modelin...
CIKM
2010
Springer
13 years 2 months ago
2010
Springer
Query reformulation modifies the original query with the aim of better matching the vocabulary of the relevant documents, and consequently improving ranking effectiveness. Previou...
ICDM
2006
IEEE
13 years 11 months ago
2006
IEEE
In this paper, we investigate the use of data mining, in particular the text classification and co-training techniques, to identify more relevant passages based on a small set of...
CIKM
2006
Springer
13 years 9 months ago
2006
Springer
A major challenge in developing models for hypertext retrieval is to effectively combine content information with the link structure available in hypertext collections. Although s...
SIGIR
2008
ACM
13 years 5 months ago
2008
ACM
We present a novel passage-based approach to re-ranking documents in an initially retrieved list so as to improve precision at top ranks. While most work on passage-based document...