529 search results - page 32 / 106 » A User-Centered Approach for Evaluating Query Expansion Meth... |
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
Existing keyword-search systems in relational databases require users to submit a complete query to compute answers. Often users feel "left in the dark" when they have l...
AMW
2011
13 years 16 days ago
2011
The goal of this paper is to permit secure outsourced system evaluation. We propose a method for generating synthetic databases and obfuscating a workload of queries in order to pr...
JISE
2007
13 years 8 months ago
2007
Query expansion is extensively applied in information retrieval systems, such as search engines. Most conventional approaches to query expansion have been developed based on textua...
EDBT
2011
ACM
13 years 13 days ago
2011
ACM
The quadratic form distance (QFD) has been utilized as an effective similarity function in multimedia retrieval, in particular, when a histogram representation of objects is used...
TREC
2007
13 years 10 months ago
2007
In this paper we present a system which uses ontological resources and a gene name variation generation tool to expand concepts in the original query. The novelty of our approach ...