InfoSleuth: agent-based semantic integration of information in open and dynamic environments
SIGMOD '97 Proceedings of the 1997 ACM SIGMOD international conference on Management of data
The Unified Modeling Language reference manual
The Unified Modeling Language reference manual
XML-GL: a graphical language for querying and restructuring XML documents
WWW '99 Proceedings of the eighth international conference on World Wide Web
SAC '00 Proceedings of the 2000 ACM symposium on Applied computing - Volume 2
Computing graphical queries over XML data
ACM Transactions on Information Systems (TOIS)
Database System Implementation
Database System Implementation
ER '02 Proceedings of the 21st International Conference on Conceptual Modeling
GLASS: A Graphical Query Language for Semi-Structured Data
DASFAA '03 Proceedings of the Eighth International Conference on Database Systems for Advanced Applications
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The ability to summarize information from many XML data sources is becoming crucial. Problems that need to be addressed are related to different representations of data and different levels of generality/specificity of data. In this paper we propose to solve these problems by creating a methodology for efficient XML schema diagram transformations in static and dynamic situations. We focus on a graphical approach for XML schema diagram transformations and XML data querying. This approach allows us to design XML processing system for diverse XML documents. In the paper we classify schema diagram changes based on adding/removing/modifying element attributes, and changing the structure of the elements.