448 search results - page 56 / 90 » Queries and Constraints on Semi-structured Data |
136
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
Data sources for data integration often come with spurious schema definitions such as undefined foreign key constraints. Such metadata are important for querying the database and ...
118
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DEBS
2011
ACM
14 years 1 months ago
2011
ACM
Many data-driven social and Web applications involve collaboration and coordination. The vision of declarative data-driven coordination (D3C), proposed in [9], is to support coord...
129
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GIS
2010
ACM
14 years 4 months ago
2010
ACM
It is now common for video; real-time and collected, mobile and static, to be georeferenced and stored in large archives for users of expert systems to access and interact with. I...
107
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ADC
2003
Springer
15 years 2 months ago
2003
Springer
Much work on XML data was around storage and querying and did not consider constraints of XML, especially keys. Since constraints have been proposed in many papers for XML, much r...
AMW
2009
14 years 10 months ago
2009
In data exchange, data are materialised from a source schema to a target schema, according to suitable source-to-target constraints. Constraints are also expressed on the target sc...