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» Schema Integration Based on Uncertain Semantic Mappings
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ESWS
2008
Springer
13 years 9 months ago
Viewing and Querying Topic Maps in terms of RDF
Both Topic Maps and RDF are popular semantic web standards designed for machine processing of web documents. Since these representations were originally created for different purpo...
Silvia Stefanova, Tore Risch
INTELLCOMM
2004
Springer
14 years 27 days ago
Preserving Referential Constraints in XML Document Association Relationship Update
Abstract. In this paper we propose the usage of W3C-standardized query language, XQuery, to accommodate XML Update. Our main aim is to enable the update without violating the seman...
Eric Pardede, J. Wenny Rahayu, David Taniar
BXML
2003
13 years 9 months ago
Semantic Caching in Ontology-based Mediator Systems
: The integration of heterogenous web sources is still a big challenge. One approach to deal with integration problems is the usage of domain knowledge in form of vocabularies or o...
Marcel Karnstedt, Kai-Uwe Sattler, Ingolf Geist, H...
ICDE
2005
IEEE
105views Database» more  ICDE 2005»
14 years 9 months ago
Representing and Querying Data Transformations
Modern information systems often store data that has been transformed and integrated from a variety of sources. This integration may obscure the original source semantics of data ...
John Mylopoulos, Renée J. Miller, Yannis Ve...
PODS
2012
ACM
253views Database» more  PODS 2012»
11 years 10 months ago
Local transformations and conjunctive-query equivalence
Over the past several decades, the study of conjunctive queries has occupied a central place in the theory and practice of database systems. In recent years, conjunctive queries h...
Ronald Fagin, Phokion G. Kolaitis