641 search results - page 49 / 129 » Studying Query Expansion Effectiveness |
TREC
2004
13 years 9 months ago
2004
In the experiment described in this paper, we investigate the effectiveness of a document-independent technique for eliciting additional information from searchers about their inf...
EDBT
2009
ACM
14 years 11 days ago
2009
ACM
In this study, we present experiences of parallelizing XPath queries using the Xalan XPath engine on shared-address space multi-core systems. For our evaluation, we consider a sce...
CIKM
2010
Springer
13 years 5 months ago
2010
Springer
Many existing indexes on text work at the document granularity and are not effective in answering the class of queries where the desired answer is only a term or a phrase. In this...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
A supergraph containment search is to retrieve the data graphs contained by a query graph. In this paper, we study the problem of efficiently retrieving all data graphs approximate...