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» Data Exchange: Semantics and Query Answering
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ER
2004
Springer
163views Database» more  ER 2004»
14 years 2 months ago
From Ontology to Relational Databases
The semantic web envisions a World Wide Web in which data is described with rich semantics and applications can pose complex queries. Ontologies, a cornerstone of the semantic web,...
Anuradha Gali, Cindy X. Chen, Kajal T. Claypool, R...
DEXAW
2005
IEEE
132views Database» more  DEXAW 2005»
14 years 4 months ago
Information Integration from Semantically Heterogeneous Biological Data Sources
We present the first prototype of INDUS (Intelligent Data Understanding System), a federated, query-centric system for information integration and knowledge acquisition from dist...
Doina Caragea, Jie Bao, Jyotishman Pathak, Adrian ...
CSWWS
2006
14 years 2 months ago
A Distributed Agent System upon Semantic Web Technologies to Provide Biological Data
Bioinformaticians are accustomed to going through analysis steps, in which they employ several data sources, like protein sequence and protein interaction databases, to carry out t...
Farzad Kohantorabi, Gregory Butler, Christopher J....
SIGMOD
2003
ACM
174views Database» more  SIGMOD 2003»
14 years 11 months ago
ViST: A Dynamic Index Method for Querying XML Data by Tree Structures
With the growing importance of XML in data exchange, much research has been done in providing flexible query facilities to extract data from structured XML documents. In this pape...
Haixun Wang, Sanghyun Park, Wei Fan, Philip S. Yu
AAAI
2007
14 years 1 months ago
Approximating OWL-DL Ontologies
Efficient query answering over ontologies is one of the most useful and important services to support Semantic Web applications. Approximation has been identified as a potential...
Jeff Z. Pan, Edward Thomas