1088 search results - page 180 / 218 » Probabilistic query expansion using query logs |
WWW
2011
ACM
13 years 3 months ago
2011
ACM
Many malicious activities on the Web today make use of compromised Web servers, because these servers often have high pageranks and provide free resources. Attackers are therefore...
ICDM
2006
IEEE
14 years 2 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...
SIGIR
2012
ACM
11 years 11 months ago
2012
ACM
Users increasingly rely on their mobile devices to search local entities, typically businesses, while on the go. Even though recent work has recognized that the ranking signals in...
IPM
2007
13 years 8 months ago
2007
This paper describes our novel retrieval model that is based on contexts of query terms in documents (i.e., document contexts). Our model is novel because it explicitly takes into...
ICML
1998
IEEE
14 years 9 months ago
1998
IEEE
We study the problem of learning to accurately rank a set of objects by combining a given collection of ranking or preference functions. This problem of combining preferences aris...