Grice worked with different types of ontologies. Finally he settled for a "four-category ontology". And we think he did right. Cheers, Speranza ---- WORKSHOP: Information Systems and the Four-Category Ontology 20th-21st May 2013 Department of Philosophy, Durham University This two-day workshop will bring together metaphysicians, applied ontologists and information systems theorists to discuss the practical application of a four-category ontology to the design of information systems. This workshop aims to put advocates of four-category ontologies into direct dialogue with applied ontologists and information systems designers, enabling each to update the other on developments within their disciplines and to share concerns and problems for collective discussion. Specific foci of the workshop will be (i) the presentation of practical problems in the design of information systems and (ii) the discussion of contemporary developments in the four-category ontology whose practical applications are not yet appreciated. ------------------------------------------------------------------ To change your Lit-Ideas settings (subscribe/unsub, vacation on/off, digest on/off), visit www.andreas.com/faq-lit-ideas.html