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ER
2008
Springer
110views Database» more  ER 2008»
9 years 3 months ago
Conjunctive Query Containment under Access Limitations
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 ...
Andrea Calì, Davide Martinenghi
APWEB
2010
Springer
9 years 6 months ago
Optimizing Query Processing for the Hidden Web
Abstract. The term Deep Web (sometimes also called Hidden Web) refers to the data content that is created dynamically as the result of a speciļ¬c search on the Web. In this respec...
Andrea Calì, Davide Martinenghi
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