619 search results - page 48 / 124 » Query Planning in Infomaster |
112
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PVLDB
2010
15 years 10 days ago
2010
Mashups are situational applications that join multiple sources to better meet the information needs of Web users. Web sources can be huge databases behind query interfaces, which...
136
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JACM
2012
13 years 4 months ago
2012
A fundamental problem in data management is to draw and maintain a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With la...
202
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ICDE
2007
IEEE
16 years 3 months ago
2007
IEEE
There has been a great deal of work in recent years on processing and optimizing queries against XML data. Typically in these previous works, schema information is not considered,...
148
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ICDE
2006
IEEE
15 years 8 months ago
2006
IEEE
We consider the problem of query optimization in distributed stream based systems where multiple continuous queries may be executing simultaneously. In such systems, distribution ...
118
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TDM
2004
15 years 3 months ago
2004
To be able to handle the ever growing volumes of XML documents, effective and efficient data management solutions are needed. Managing XML data in a relational DBMS has great pote...