964 search results - page 56 / 193 » Efficiently Ordering Query Plans for Data Integration |
161
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EDBT
2009
ACM
15 years 8 months ago
2009
ACM
We propose efficient techniques for processing various TopK count queries on data with noisy duplicates. Our method differs from existing work on duplicate elimination in two sign...
151
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HPCS
2006
IEEE
15 years 10 months ago
2006
IEEE
This paper presents collaborative agents system architecture approach for data dissemination in a wireless sensor network (WSN). This system architecture consists of four layers o...
163
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SIGMOD
2010
ACM
15 years 4 months ago
2010
ACM
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
133
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DASFAA
2004
IEEE
15 years 8 months ago
2004
IEEE
Data and computations of a CAD system have been wrapped by a mediator system using CORBA's IIOP Protocol. This allows ad hoc declarative mediator queries to be translated into...
146
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SAC
2006
ACM
15 years 10 months ago
2006
ACM
In this paper, we show that representation and reasoning techniques used in traditional knowledge engineering and the emerging Semantic Web can play an important role for heteroge...