373 search results - page 17 / 75 » Querying Priced Information in Databases: The Conjunctive Ca... |
171
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
Users often try to accumulate information on a topic of interest from multiple information sources. In this case a user's informational need might be expressed in terms of an...
77
Voted
STOC
2007
ACM
15 years 10 months ago
2007
ACM
This work is at the intersection of two lines of research. One line, initiated by Dinur and Nissim, investigates the price, in accuracy, of protecting privacy in a statistical dat...
64
Voted
ICDT
1999
ACM
15 years 1 months ago
1999
ACM
In data integration systems, queries posed to a mediator need to be translated into a sequence of queries to the underlying data sources. In a heterogeneous environment, with sour...
ADBIS
2004
Springer
15 years 3 months ago
2004
Springer
Repairing a database means making the database consistent by applying changes that are as small as possible. Nearly all approaches to repairing have assumed deletions and insertion...
103
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GVD
2004
14 years 11 months ago
2004
Abstract. Checking the consistency of query conditions is an old problem, and there are already many proposed solutions. Since the problem is in general undecidable, there is not a...