A flexible graph-based data model supporting incremental schema design and evolution

Authors:
Katrin Braunschweig;Maik Thiele;Wolfgang Lehner
Affiliations:
Database Technology Group, Faculty of Computer Science, Technische Universität Dresden, Dresden, Germany;Database Technology Group, Faculty of Computer Science, Technische Universität Dresden, Dresden, Germany;Database Technology Group, Faculty of Computer Science, Technische Universität Dresden, Dresden, Germany
Venue:
ICWE'11 Proceedings of the 11th international conference on Current Trends in Web Engineering
Year:
2011

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Abstract

Web data is characterized by a great structural diversity as well as frequent changes, which poses a great challenge for web applications based on that data. We want to address this problem by developing a schema-optional and flexible data model that supports the integration of heterogenous and volatile web data. Therefore, we want to rely on graph-based models that allow to incrementally extend the schema by various information and constraints. Inspired by the on-going web 2.0 trend, we want users to participate in the design and management of the schema. By incrementally adding structural information, users can enhance the schema to meet their very specific requirements.