493 search results - page 63 / 99 » Consensus answers for queries over probabilistic databases |
198
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PODS
1995
ACM
15 years 9 months ago
1995
ACM
Databases are often incomplete because of the presence of disjunctive information, due to con icts, partial knowledge and other reasons. Queries against such databases often ask q...
163
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AINA
2007
IEEE
16 years 16 days ago
2007
IEEE
Regular path queries (RPQs), expressed as regular expressions over the alphabet of database edge-labels, are commonly used for guided navigation of graph databases. While convenie...
181
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
In data stream applications, data arrive continuously and can only be scanned once as the query processor has very limited memory (relative to the size of the stream) to work with...
169
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DOLAP
2004
ACM
15 years 11 months ago
2004
ACM
A peer-to-peer (P2P) data management system consists essentially of a network of peer systems, each maintaining full autonomy over its own data resources. Data exchange between pe...
171
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PODS
2004
ACM
16 years 6 months ago
2004
ACM
We study the problem of answering queries over sources with limited access patterns. Given a first-order query Q, the problem is to decide whether there is an equivalent query whi...