Reconciliation of Temporal Semantic Heterogeneity in Evolving Information Systems
Hongwei (Harry) Zhu
Old Dominion University; Massachusetts Institute of Technology (MIT)
Massachusetts Institute of Technology (MIT) - Sloan School of Management
May 1, 2008
MIT Sloan Research Paper No. 4715-08
The change in meaning of data over time poses significant challenges for the use of that data. These challenges exist in the use of an individual data source and are further compounded with the integration of multiple sources. In this paper, we identify three types of temporal semantic heterogeneity. We propose a solution based on extensions to the Context Interchange framework, which has mechanisms for capturing semantics using ontology and temporal context. It also provides a mediation service that automatically reconciles semantic conflicts. We show the feasibility of this approach with a prototype that implements a subset of the proposed extensions.
Number of Pages in PDF File: 17
Keywords: temporal context, semantic heterogeneity, ontology, logic programmingworking papers series
Date posted: September 18, 2008
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