7593 search results - page 279 / 1519 » Querying XML Databases |
191
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ER
2003
Springer
15 years 11 months ago
2003
Springer
While the Internet has facilitated access to information sources, the task of scalable integration of these heterogeneous data sources remains a challenge. The adoption of the eXte...
209
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DKE
2007
15 years 6 months ago
2007
Integration of multiple heterogeneous data sources continues to be a critical problem for many application domains and a challenge for researchers world-wide. With the increasing ...
313
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JDM
2008
15 years 6 months ago
2008
The extensible markup language (XML) has become a standard for persistent storage and data interchange via the Internet due to its openness, self-descriptiveness, and flexibility....
199
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ICDT
2007
ACM
16 years 22 days ago
2007
ACM
Abstract. We study containment of conjunctive queries that are evaluated over databases that may contain tuples with null values. We assume the semantics of SQL for single block qu...
277
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
Basic message processing tasks, such as wellformedness checking and grammar validation, can be off-loaded from the service providers' own infrastructures. To enable effective...