641 search results - page 29 / 129 » Studying Query Expansion Effectiveness |
WWW
2006
ACM
14 years 8 months ago
2006
ACM
We introduce the notion of query substitution, that is, generating a new query to replace a user's original search query. Our technique uses modifications based on typical su...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
Search personalization has been pursued in many ways, in order to provide better result rankings and better overall search experience to individual users [5]. However, blindly app...
CIKM
2007
Springer
14 years 1 months ago
2007
Springer
In this paper, we study the problem of effective keyword search over XML documents. We begin by introducing the notion of Valuable Lowest Common Ancestor (VLCA) to accurately and ...
ICDE
1998
IEEE
14 years 9 months ago
1998
IEEE
?Past R-tree studies have focused on the number of nodes visited as a metric of query performance. Since database systems usually include a buffering mechanism, we propose that the...
TREC
2008
13 years 9 months ago
2008
In this paper, we report our experiments in the TREC 2008 Relevance Feedback Track. Our main goal is to study a novel problem in feedback, i.e., optimization of the balance of the...