Journal of Mathematical Psychology volume 48, issue 1, P1-8 2004 DOI: 10.1016/ View full text
Jürgen Heller

Abstract: Algorithmic procedures have been devised for constructing a knowledge space by querying experts. The queries submitted to the expert consist of assertions that are to be accepted or rejected. The present paper provides a characterization of the algorithms that may be used to draw inferences from previously collected answers. It is based on the notion of a closure on the set of all assertions, and its extension to a set containing for each assertion a positive and a negative instance, representing acceptance a…

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