356 search results - page 11 / 72 » Knowledge Representation using Schema Tuple Queries |
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...
83
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VLDB
2004
ACM
15 years 3 months ago
2004
ACM
The widespread adoption of XML holds out the promise that document structure can be exploited to specify precise database queries. However, the user may have only a limited knowle...
CACM
1998
14 years 9 months ago
1998
abstraction for modeling these problems is to view the Web as a collection of (usually small and heterogeneous) databases, and to view programs that extract and process Web data au...
104
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PODS
2004
ACM
15 years 9 months ago
2004
ACM
Data exchange is the problem of taking data structured under a source schema and creating an instance of a target schema. Given a source instance, there may be many solutions ? ta...
CONTEXT
2007
Springer
15 years 1 months ago
2007
Springer
The paper presents an approach for automatically extracting views from a relational database schema, based on the knowledge of the application domain. In order to achieve such resu...