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» A Query Language for EER Schemas
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PODS
2004
ACM
158views Database» more  PODS 2004»
14 years 8 months ago
Composing Schema Mappings: Second-Order Dependencies to the Rescue
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
ECWEB
2005
Springer
149views ECommerce» more  ECWEB 2005»
14 years 1 months ago
Architecture of a Semantic XPath Processor. Application to Digital Rights Management
This work describes a novel strategy for designing an XPath processor that acts over an RDF mapping of XML. We use a modelmapping approach to represent instances of XML and XML Sch...
Rubén Tous, Roberto García, Eva Rodr...
EDBTW
2006
Springer
14 years 4 days ago
Towards Similarity-Based Topological Query Languages
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...
Alberto Belussi, Omar Boucelma, Barbara Catania, Y...
ER
2003
Springer
129views Database» more  ER 2003»
14 years 1 months ago
Querying Heterogeneous XML Sources through a Conceptual Schema
XML is a widespread W3C standard used by several kinds of applications for data representation and exchange over the web. In the context of a system that provides semantic integrat...
Sandro Daniel Camillo, Carlos A. Heuser, Ronaldo d...
KI
2004
Springer
14 years 1 months ago
Model Based Deduction for Database Schema Reasoning
Abstract. We aim to demonstrate that automated deduction techniques, in particular those following the model computation paradigm, are very well suited for database schema/query re...
Peter Baumgartner, Ulrich Furbach, Margret Gro&szl...