623 search results - page 57 / 125 » An Empirical Study of Query Specificity |
JMLR
2008
13 years 9 months ago
2008
We consider a hierarchy of queries about causal relationships in graphical models, where each level in the hierarchy requires more detailed information than the one below. The hie...
WWW
2007
ACM
14 years 9 months ago
2007
ACM
In this paper, we define the problem of topic-sentiment analysis on Weblogs and propose a novel probabilistic model to capture the mixture of topics and sentiments simultaneously....
CIKM
2006
Springer
14 years 23 days ago
2006
Springer
We propose to adapt the newly emerged cache-oblivious model to relational query processing. Our goal is to automatically achieve an overall performance comparable to that of fine-...
TREC
2004
13 years 10 months ago
2004
The quality of an information retrieval system heavily depends on its retrieval function, which returns a similarity measurement between the query and each document in the collect...
WSDM
2009
ACM
14 years 3 months ago
2009
ACM
We study the problem of answering ambiguous web queries in a setting where there exists a taxonomy of information, and that both queries and documents may belong to more than one ...