2145 search results - page 34 / 429 » Pattern-Based Query Answering |
AAAI
2007
15 years 1 months ago
2007
The Closed-World Assumption (CWA) on databases expresses that an atom not in the database is false. A more appropriate assumption for databases that are sound but partially incomp...
ECAI
2008
Springer
15 years 26 days ago
2008
Springer
Abstract. We study privacy guarantees for the owner of an information system who wants to share some of the information in the system with clients while keeping some other informat...
102
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ICLP
2009
Springer
15 years 5 months ago
2009
Springer
We consider multiagent systems situated in unpredictable environments. Agents viewed as abductive logic programs with abducibles being literals the agent could sense or receive fro...
SIGMOD
1999
ACM
15 years 3 months ago
1999
ACM
In large data warehousing environments, it is often advantageous to provide fast, approximate answers to complex aggregate queries based on statistical summaries of the full data....
111
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PODS
2004
ACM
15 years 11 months ago
2004
ACM
Data exchange is the problem of taking data structured under a source schema and creating an instance of a target schema. Given a source instance, there may be many solutions ? ta...