15614 search results - page 2739 / 3123 » The State of State |
172
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PODS
2002
ACM
16 years 7 months ago
2002
ACM
We study two classes of view update problems in relational databases. We are given a source database S, a monotone query Q, and the view Q(S) generated by the query. The first pro...
175
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PODS
2006
ACM
16 years 7 months ago
2006
ACM
Data exchange deals with inserting data from one database into another database having a different schema. We study and solve a central computational problem of data exchange, nam...
197
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PODS
2007
ACM
16 years 7 months ago
2007
ACM
Bounded treewidth and Monadic Second Order (MSO) logic have proved to be key concepts in establishing fixed-parameter tractability results. Indeed, by Courcelle's Theorem we ...
202
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EDBT
2006
ACM
16 years 7 months ago
2006
ACM
Federated queries are regular relational queries accessing data on one or more remote relational or non-relational data sources, possibly combining them with tables stored in the ...
201
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EDBT
2008
ACM
16 years 7 months ago
2008
ACM
Structured P2P systems have been developed for constructing applications at internet scale in cooperative environments and exhibit a number of desirable features such as scalabili...