7607 search results - page 240 / 1522 » Querying data provenance |
174
click to vote
DASFAA
2008
IEEE
16 years 1 months ago
2008
IEEE
Many Web sources provide forms to allow users to query their hidden data. For instance, online stores such as Amazon.com have search interfaces, using which users can query informa...
202
click to vote
KR
2010
Springer
15 years 11 months ago
2010
Springer
Ontologies can be used to provide an enriched vocabulary for the formulation of queries over instance data. We identify query emptiness and predicate emptiness as two central reas...
173
click to vote
AMW
2010
15 years 8 months ago
2010
We address the problem of answering conjunctive queries over knowledge bases, specified by sets of first-order sentences called tuple-generating dependencies (TGDs). This problem i...
163
click to vote
KDD
2002
ACM
16 years 7 months ago
2002
ACM
Data clustering methods have been proven to be a successful data mining technique in the analysis of gene expression data. The Cluster affinity search technique (CAST) developed b...
202
click to vote
ICDM
2009
IEEE
15 years 4 months ago
2009
IEEE
Being able to incorporate, inspect, and analyze data with newly developed technologies, diagnostics, and visualizations in an easy and flexible way has been a longstanding challen...