Communications of the ACM
Alternation and the computational complexity of logic programs
Journal of Logic Programming
On the occur-check-free PROLOG programs
ACM Transactions on Programming Languages and Systems (TOPLAS)
Learnable classes of categorial grammars
Learnable classes of categorial grammars
UML distilled: applying the standard object modeling language
UML distilled: applying the standard object modeling language
Categorial Graphs (Extended Abstract)
FCT '95 Proceedings of the 10th International Symposium on Fundamentals of Computation Theory
Issues in Learning Language in Logic
Computational Logic: Logic Programming and Beyond, Essays in Honour of Robert A. Kowalski, Part II
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In this chapter we describe an approach to grammar induction based on categorial grammars: the EMILE algorithm. Categorial grammars are equivalent to context-free grammars. They were introduced by Ajduciewicz and formalised by Lambek. Technically they can be seen as a variant of the propositional calculus without structural rules. Various learnability results for categorial grammars are known. There exists a whole landscape of these so called substructural logics. This suggests an extension of the ILP research program in the direction of what one might call substructural ILP. We discuss the application of substructural logic to database design and present some complexity results from the literature that suggest the feasibility of this approach.