353 search results - page 18 / 71 » Query Expansion Based on Clustered Results |
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
Due to the structural heterogeneity of XML, queries are often interpreted approximately. This is achieved by relaxing the query and ranking the results based on their relevance to ...
GEOS
2005
Springer
14 years 2 months ago
2005
Springer
This paper analyses reported difficulties in spatial data retrieval from Internet portals, based on results from an empirical survey. The analysis reveals the problems which cause ...
DKE
2010
13 years 8 months ago
2010
An ontology is a formal conceptualization of a domain, specifying the concepts of the domain and the relations between them. It is however not a straight forward task to use this ...
EACL
2006
ACL Anthology
13 years 10 months ago
2006
ACL Anthology
This paper addresses the problem of automatically retrieving answers for how-to questions, focusing on those that inquire about the procedure for achieving a specific goal. For su...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Supporting top-k queries over distributed collections of schemaless XML data poses two challenges. While XML supports expressive query languages such as XPath and XQuery, these la...