493 search results - page 69 / 99 » Consensus answers for queries over probabilistic databases |
199
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WWW
2011
ACM
15 years 1 months ago
2011
ACM
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
154
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ALT
2000
Springer
15 years 10 months ago
2000
Springer
A conjunctive query problem in relational database theory is a problem to determine whether or not a tuple belongs to the answer of a conjunctive query over a database. Here, a tup...
148
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CSE
2009
IEEE
15 years 11 months ago
2009
IEEE
— The ubiquity of mobile devices has led to a rising demand for location-based services and applications. A major part of these services is based on the location-detection capabi...
170
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CIDR
2003
15 years 7 months ago
2003
We present an architecture for a data sharing peer-to-peer system where the data is shared in the form of database relations. In general, peer-to-peer systems try to locate exactm...
159
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PDIS
1994
IEEE
15 years 10 months ago
1994
IEEE
Many new database applications require very large volumes of data. Mariposa is a data base system under construction at Berkeley responding to this need. Mariposa objects can be s...