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159
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SIGMOD
2006
ACM
15 years 10 months ago
2006
ACM
Exact computation for aggregate queries usually requires large amounts of memory ? constrained in data-streaming ? or communication ? constrained in distributed computation ? and ...
SIGMOD
2004
ACM
15 years 10 months ago
2004
ACM
Ranking is an important property that needs to be fully supported by current relational query engines. Recently, several rank-join query operators have been proposed based on rank...
SIGMOD
2001
ACM
15 years 10 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
EDBT
2008
ACM
15 years 10 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...
139
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EDBT
2008
ACM
15 years 10 months ago
2008
ACM
Data exchange is the problem of transforming data structured under a schema (called source) into data structured under a different schema (called target). The emphasis of data exc...