964 search results - page 5 / 193 » Efficiently Ordering Query Plans for Data Integration |
SSDBM
2008
IEEE
15 years 3 months ago
2008
IEEE
Increasingly, many data sources appear as online databases, hidden behind query forms, thus forming what is referred to as the deep web. It is desirable to have systems that can pr...
AIPS
1996
14 years 10 months ago
1996
Informationgathering requires locating and integrating data froma set of distributed informationsources. These sources maycontain overlapping data and can comefrom different types...
IQ
2007
14 years 11 months ago
2007
: Integrated access to distributed data is an important problem faced in many scientific and commercial applications. A data integration system provides a unified view for users to...
GCC
2007
Springer
15 years 3 months ago
2007
Springer
Data integration has evolved to provide efficient data management across distributed and heterogeneous data sources in grid environment. However, existing works in data integratio...
PODS
2008
ACM
15 years 9 months ago
2008
ACM
We consider a fundamental flow maximization problem that arises during the evaluation of multiple overlapping queries defined on a data stream, in a heterogenous parallel environm...