2145 search results - page 96 / 429 » Pattern-Based Query Answering |
EDBT
2009
ACM
15 years 3 months ago
2009
ACM
We investigate the problem of refining SQL queries to satisfy cardinality constraints on the query result. This has applications to the many/few answers problems often faced by da...
103
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GLOBE
2008
Springer
15 years 9 days ago
2008
Springer
This paper addresses the problem of data integration in a P2P environment, where each peer stores schema of its local data, mappings between the schemas, and some schema constraint...
171
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ICDE
2006
IEEE
16 years 18 days ago
2006
IEEE
Graphs have become popular for modeling structured data. As a result, graph queries are becoming common and graph indexing has come to play an essential role in query processing. ...
DASFAA
2007
IEEE
15 years 5 months ago
2007
IEEE
XML is by now the de facto standard for exporting and exchanging data on the web. The need for querying XML data sources whose structure is not fully known to the user and the need...
EDBT
2008
ACM
15 years 11 months ago
2008
ACM
In this paper we address the problem of ensuring the correctness of query results returned by an untrusted private database. The database owns the data and may modify it at any ti...