505 search results - page 57 / 101 » Queries with Incomplete Answers over Semistructured Data |
ICDCS
1996
IEEE
15 years 1 months ago
1996
IEEE
Access to large numbers of data sources introduces new problems for users of heterogeneous distributed databases. End users and application programmers must deal with unavailable ...
136
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COOPIS
1996
IEEE
15 years 1 months ago
1996
IEEE
Rational drug design is an example where integrated access to heterogeneous scientific data is urgently needed, as it becomes rapidly available due to new experimental and computa...
73
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EDBTW
2006
Springer
15 years 1 months ago
2006
Springer
Abstract. In recent times, the proliferation of spatial data on the Internet is beginning to allow a much larger audience to access and share data currently available in various Ge...
SIGMOD
1999
ACM
15 years 2 months ago
1999
ACM
Query processing in data integration occurs over network-bound, autonomous data sources. This requires extensions to traditional optimization and execution techniques for three re...
168
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
Many aspects of the data integration problem have been considered in the literature: how to match schemas across different data sources, how to decide when different records refer...