Object Exchange Across Heterogeneous Information Sources
ICDE '95 Proceedings of the Eleventh International Conference on Data Engineering
DataGuides: Enabling Query Formulation and Optimization in Semistructured Databases
VLDB '97 Proceedings of the 23rd International Conference on Very Large Data Bases
Enhancing Semistructured Data Mediators with Document Type Definitions
ICDE '99 Proceedings of the 15th International Conference on Data Engineering
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In the scenario of XML repository, where are large amounts of relevant documents with DTDs and without DTDs. To query the explicit and implicit documents in the repository, we provide user with a pattern specification language to specify the structural pattern of his/her interest, and organize all of the data matching the pattern are grouped as view documents. For facilitates the query formulation and evaluation, a view DTD is inferred from the repository. This paper introduces the algorithm for inferring the view DTD from the XML repository.