416 search results - page 52 / 84 » Utilizing Passage-Based Language Models for Document Retriev... |
ECIR
2007
Springer
13 years 10 months ago
2007
Springer
An expert finding is a very common task among enterprise search activities, while its usual retrieval performance is far from the quality of the Web search. Query modeling helps t...
WWW
2005
ACM
14 years 9 months ago
2005
ACM
Many modern natural language-processing applications utilize search engines to locate large numbers of Web documents or to compute statistics over the Web corpus. Yet Web search e...
SIGIR
2005
ACM
14 years 2 months ago
2005
ACM
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
CIKM
1999
Springer
14 years 23 days ago
1999
Springer
Prior work has shown that combining results of various retrieval approaches and query representations can improve search effectiveness. Today, many meta-search engines exist which...
SIGIR
1999
ACM
14 years 23 days ago
1999
ACM
Probabilistic Latent Semantic Indexing is a novel approach to automated document indexing which is based on a statistical latent class model for factor analysis of count data. Fit...