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SIGMOD
1998
ACM
14 years 1 months ago
1998
ACM
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
PDIS
1996
IEEE
14 years 1 months ago
1996
IEEE
A warehouse is a data repository containing integrated information for e cient querying and analysis. Maintaining the consistency of warehouse data is challenging, especially if t...
CIKM
2004
Springer
14 years 23 days ago
2004
Springer
With the tremendous growth of system memories, memoryresident databases are increasingly becoming important in various domains. Newer memories provide a structured way of storing ...
DKE
2008
13 years 9 months ago
2008
The availability of large amounts of heterogeneous distributed web data necessitates the integration of XML data from multiple XML sources for many reasons. For example, currently,...
INFOCOM
2006
IEEE
14 years 3 months ago
2006
IEEE
— A key function for network traffic monitoring and analysis is the ability to perform aggregate queries over multiple data streams. Change detection is an important primitive w...