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ICDE
2007
IEEE
14 years 4 months ago
2007
IEEE
The ability to query data streams is of increasing importance and has been identified as a crucial element for modern organizations and agencies. This paper identifies a class o...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
The Boolean semantics of SQL queries cannot adequately capture the "fuzzy" preferences and "soft" criteria required in non-traditional data retrieval applicati...
VLDB
1999
ACM
14 years 2 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
ICDE
2009
IEEE
13 years 7 months ago
2009
IEEE
There is much effort to develop comprehensive support for the storage and querying of XML data in database management systems. The major developers have extended their systems to h...
ICEBE
2005
IEEE
14 years 3 months ago
2005
IEEE
Optimization of execution plans in information mediators is a critical task, specially when sources are remote and semistructured, as in the case of transactional web sites. Lack ...