7576 search results - page 221 / 1516 » On Querying Ontologies and Databases |
152
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ICALP
2007
Springer
16 years 24 days ago
2007
Springer
We consider several private database query problems. The starting point of this work is the element rank problem: the server holds a database of n integers, and the user an integer...
202
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EDBT
2009
ACM
16 years 1 months ago
2009
ACM
In recent years, large amount of data modeled by graphs, namely graph data, have been collected in various domains. Efficiently processing queries on graph databases has attracted...
190
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
Abstract. We study here fundamental issues involved in top-k query evaluation in probabilistic databases. We consider simple probabilistic databases in which probabilities are asso...
201
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ICDT
2003
ACM
15 years 12 months ago
2003
ACM
Abstract. Repairing a database means bringing the database in accordance with a given set of integrity constraints by applying modifications that are as small as possible. In the ...
193
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WEBDB
1998
Springer
15 years 11 months ago
1998
Springer
Semistructured graph-based databases have been proposed as well-suited stores for World-Wide Web data. Yet so far, languages for querying such data are too complex for casual Web ...