102 search results - page 6 / 21 » Recursive Query Plans for Data Integration |
89
Voted
PPDP
2010
Springer
14 years 8 months ago
2010
Springer
Database query optimizers rely on data statistics in selecting query execution plans. Similar query optimization techniques are desirable for deductive databases and, to make this...
OWLED
2007
14 years 11 months ago
2007
Abstract. We describe a system in which Contextual Logic Programming is used as a mediator for knowledge modeled by ontologies. Our system provides the components required to behav...
EDBT
2009
ACM
15 years 4 months ago
2009
ACM
This paper introduces the problem of modeling urban transportation systems in a database where certain aspects of the data are probabilistic in nature. The transportation network ...
177
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VLDB
2005
ACM
15 years 9 months ago
2005
ACM
The emergence of a large number of bioinformatics datasets on the Internet has resulted in the need for flexible and efficient approaches to integrate information from multiple bio...
97
Voted
ER
2008
Springer
14 years 11 months ago
2008
Springer
Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables: this happens, for instance, in Data Exchange and ...