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CIKM
1998
Springer
14 years 3 days ago
Ontology-Based Extraction and Structuring of Information from Data-Rich Unstructured Documents
We present a new approach to extracting information from unstructured documents based on an application ontology that describes a domain of interest. Starting with such an ontolog...
David W. Embley, Douglas M. Campbell, Randy D. Smi...
ER
2005
Springer
136views Database» more  ER 2005»
14 years 1 months ago
A Semantic Approach to Query Rewriting for Integrated XML Data
Query rewriting is a fundamental task in query optimization and data integration. With the advent of the web, there has been renewed interest in data integration, where data is dis...
Xia Yang, Mong-Li Lee, Tok Wang Ling, Gillian Dobb...
SIGMOD
2008
ACM
159views Database» more  SIGMOD 2008»
14 years 8 months ago
Bootstrapping pay-as-you-go data integration systems
Data integration systems offer a uniform interface to a set of data sources. Despite recent progress, setting up and maintaining a data integration application still requires sign...
Anish Das Sarma, Xin Dong, Alon Y. Halevy
DBISP2P
2005
Springer
129views Database» more  DBISP2P 2005»
14 years 1 months ago
Querying a Super-Peer in a Schema-Based Super-Peer Network
We propose a novel approach for de ning and querying a super-peer within a schema-based super-peer network organized into a two-level architecture: the low level, called the peer l...
Domenico Beneventano, Sonia Bergamaschi, Francesco...
ESWS
2008
Springer
13 years 9 months ago
Handling Instance Coreferencing in the KnoFuss Architecture
Finding RDF individuals that refer to the same real-world entities but have different URIs is necessary for the efficient use of data across sources. The requirements for such inst...
Andriy Nikolov, Victoria S. Uren, Enrico Motta, An...