105 search results - page 18 / 21 » A Two Layered Approach for Querying Integrated XML Sources |
VLDB
2002
ACM
14 years 9 months ago
2002
ACM
We present a novel framework for mapping between any combination of XML and relational schemas, in which a high-level, userspecified mapping is translated into semantically meanin...
ADBIS
2004
Springer
15 years 2 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
102
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PVLDB
2008
14 years 9 months ago
2008
The old problem of managing the history of database information is now made more urgent and complex by fast spreading web information systems, such as Wikipedia. Our PRIMA system ...
CG
2007
Springer
14 years 9 months ago
2007
Springer
We propose a novel method to support analytical processes by visually integrating context information directly into web pages. The context information is obtained from knowledge b...
110
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EDBT
2006
ACM
15 years 9 months ago
2006
ACM
Ontology languages to represent ontologies exist in large numbers, and users who want to access or reuse ontologies can often be confronted with a language they do not know. Theref...