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150
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MIDDLEWARE
2005
Springer
15 years 9 months ago
2005
Springer
These last years, the evolution of nomadic terminals and mobile networks has yield to the development of the ubiquitous computing. In this context, actual query evaluation and opt...
139
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SIGMOD
2004
ACM
16 years 4 months ago
2004
ACM
An eddy [2] is a highly adaptive query processing operator that continuously reoptimizes a query in response to changing runtime conditions. It does this by treating query process...
149
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IJMMS
2008
15 years 4 months ago
2008
In this paper we present the design, implementation and evaluation of SOBA, a system for ontology-based information extraction from heterogeneous data resources, including plain t...
134
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SIGMOD
2011
ACM
14 years 7 months ago
2011
ACM
We are witnessing an exciting revival of interest in recursive Datalog queries in a variety of emerging application domains such as data integration, information extraction, netwo...
140
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COOPIS
2002
IEEE
15 years 9 months ago
2002
IEEE
In this paper we propose a mediator architecture for the querying and integration of Web-accessible XML data sources. Our contributions are (i) the definition of a simple but expr...