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ICDT
2001
ACM
15 years 2 months ago
2001
ACM
Rewriting queries using views is a powerful technique that has applications in query optimization, data integration, data warehousing etc. Query rewriting in relational databases ...
PPDP
2010
Springer
14 years 8 months ago
2010
Springer
Database query optimizers rely on data statistics in selecting query execution plans. Similar query optimization techniques are desirable for deductive databases and, to make this...
109
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EDBT
2009
ACM
14 years 7 months ago
2009
ACM
Data Stream Management Systems (DSMS) operate under strict performance requirements. Key to meeting such requirements is to efficiently handle time-critical tasks such as managing...
187
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
Keyword queries enjoy widespread usage as they represent an intuitive way of specifying information needs. Recently, answering keyword queries on graph-structured data has emerged ...
CIKM
2005
Springer
15 years 3 months ago
2005
Springer
Despite the recent advances in search quality, the fast increase in the size of the Web collection has introduced new challenges for Web ranking algorithms. In fact, there are sti...