Synopsis
Excerpt from Context Interchange: A Lattice Based Approach
The level of semantic data interoperability between a source and a receiver is a function of the context interchange mechanism that operates between the source and the receiver. The semantic interoperability mechanisms in existing systems are usually static in nature and cannot cope up with changes in the semantics of data either at the source or at the receiver. In this paper, we propose a context interchange mechanism, based on lattice theory which can handle changes in the semantics of data at both the source and the receiver. A site-copy selection algorithm is also presented in this paper which selects the set of sources that can supply semantically meaningful data to the query of a particular source.
Keywords: semantic-interoperability, context-interchange, lattice theory.
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