6650 search results - page 203 / 1330 » Mutating database queries |
140
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SMC
2010
IEEE
15 years 2 months ago
2010
IEEE
—We outline SoftFacts, an ontology mediated top-k information retrieval system over relational databases. An ontology layer is used to define (in terms of a OWL-QL like Semantic...
195
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ICDE
2012
IEEE
13 years 6 months ago
2012
IEEE
Abstract—Relational database management systems are general in the sense that they can handle arbitrary schemas, queries, and modifications; this generality is implemented using...
174
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
Date's popular critique of SQL's three-valued logic [4, 3] purports to demonstrate that SQL queries can produce erroneous results when nulls are present in the database....
124
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CTRSA
2008
Springer
15 years 5 months ago
2008
Springer
We develop new algorithmic and cryptographic techniques for authenticating the results of queries over databases that are outsourced to an untrusted responder. We depart from previ...
136
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DEXA
2008
Springer
15 years 5 months ago
2008
Springer
The query performance for tracing tags depends upon the distribution of tag trajectories in the data space. We examine a more efficient representation of tag trajectories by means ...