The Common Order-Theoretic Structure of Version Spaces and ATMS’s (Extended Abstract)

Carl A. Gunter, Teow-Hin Ngair, Prakash Panangaden, Devika Subramanian

This paper arose out of the observation that the version space algorithm and the ATMS label-update algorithms operate on very similar structures. The version space algorithm learns concept descriptions from examples. Central to this algorithm is the notion of all concept descriptions consistent with a given set of positive and negative examples. The assumption-based truth maintenance system for recording dependencies during reasoning maintains labels for a proposition which encode all environments in which that proposition is true.

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