505 search results - page 86 / 101 » Queries with Incomplete Answers over Semistructured Data |
EKAW
2010
Springer
14 years 8 months ago
2010
Springer
A scenario in ontology development and its use is hypothesis testing, such as finding new subconcepts based on the data linked to the ontology. During such experimentation, knowle...
85
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SBBD
2001
14 years 11 months ago
2001
There are several auxiliary pre-computed access structures that allow faster answers by reading less base data. Examples are materialized views, join indexes, B-tree and bitmap in...
154
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
With the increasing amount of text data stored in relational databases, there is a demand for RDBMS to support keyword queries over text data. As a search result is often assemble...
EDBT
2010
ACM
14 years 11 months ago
2010
ACM
Users who are unfamiliar with database query languages can search XML data sets using keyword queries. Current approaches for supporting such queries are either for textcentric XM...
155
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CSFW
2011
IEEE
13 years 9 months ago
2011
IEEE
—This paper explores the idea of knowledge-based security policies, which are used to decide whether to answer queries over secret data based on an estimation of the querier’s ...