Characterization and algorithmic recognition of canonical conceptual graphs
This paper studies canonical graphs, which are conceptual graphs derivable from a canonical basis. We provide several characterizations of canonical graphs and prove that the correspondence between notions of a projection and a derivation sequence (specialization) holds true for canonical graphs. We propose an algorithm for deciding whether a conceptual graph is canonical relative to a given canonical basis. The complexity of this algorithm is polynomially related to the complexity of computing a projection between two conceptual graphs. When the canonical basis is a set of trees, it is polynomial.
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- Characterization and algorithmic recognition of canonical conceptual graphs
- Book Title
- Conceptual Graphs for Knowledge Representation
- Book Subtitle
- First International Conference on Conceptual Structures, ICCS'93 Quebec City, Canada, August 4–7, 1993 Proceedings
- pp 294-311
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- Lecture Notes in Computer Science
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- Series Subtitle
- Lecture Notes in Artificial Intelligence
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- Springer Berlin Heidelberg
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