298 search results - page 26 / 60 » Query Rewriting in DL-Lite_^(HN)_horn |
COOPIS
2002
IEEE
15 years 4 months ago
2002
IEEE
In this paper we propose a mediator architecture for the querying and integration of Web-accessible XML data sources. Our contributions are (i) the definition of a simple but expr...
176
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POPL
2007
ACM
15 years 11 months ago
2007
ACM
In aspect-oriented programming, one can intercept events by writing patterns called pointcuts. The pointcut language of the most popular aspect-oriented programming language, Aspe...
VLDB
1998
ACM
15 years 3 months ago
1998
ACM
Oracle Materialized Views (MVs) are designed for data warehousing and replication. For data warehousing, MVs based on inner/outer equijoins with optional aggregation, can be refre...
VLDB
2005
ACM
15 years 4 months ago
2005
ACM
The Web has been rapidly “deepened” by myriad searchable databases online, where data are hidden behind query forms. Helping users query alternative “deep Web” sources in ...
110
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PODS
2004
ACM
15 years 11 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...