Fuzzy queries and relational databases
SAC '94 Proceedings of the 1994 ACM symposium on Applied computing
An event-condition-action language for XML
Proceedings of the 11th international conference on World Wide Web
A Server for Fuzzy SQL Queries
FQAS '98 Proceedings of the Third International Conference on Flexible Query Answering Systems
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DEXA '97 Proceedings of the 8th International Conference on Database and Expert Systems Applications
An Active Rule-Based Approach for Constraint Management of Biological Data in XML Documents
BIBM '07 Proceedings of the 2007 IEEE International Conference on Bioinformatics and Biomedicine
Fuzzy XML and prioritized fuzzy XQuery with implementation
Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology
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Triggers have played an important role in integrity constraint management for relational database systems. More research projects and commercial systems are working on supporting triggers in XML database systems in recent years. This paper describes our approach to incorporate fuzziness into XML triggers. By adding a thin layer to an existing database, fuzzy expressions can be used within triggers to specify application level constraints declaratively. Our system provides support to fuzziness over traditional XML databases, while the underlying XML data remains crisp. As a result, any existing application will not be affected and is not required to be altered when using our approach. To the best of our knowledge, this is the only research reported to support fuzzy triggers in XML database systems. This paper describes the language of the fuzzy trigger, the system architecture, and the implementation with a motivating example.