Towards a Theory of Frames and Rules
Klaus Schild · OpenGrey (Institut de l'Information Scientifique et Technique) · 1989
This work was partially supported by the Commission of the European Communities and is part of the ESPRIT Project 311 which involves the following participants: Datamont (Milan), Nixdorf (Munich), Olivetti (Pisa), Quinary (Milan), Technische Universitaet Berlin, Universitaet Hildesheim