{"type":"ScholarlyArticle","title":"An Application of AI Techniques to Structuring Objects into an Optimal Conceptual Hierarchy","authors":[{"name":"Ryszard S. Michalski","slug":"ryszard-s-michalski","given":"Ryszard S.","family":"Michalski","affiliation":""},{"name":"Robert E. Stepp","slug":"robert-e-stepp","given":"Robert E.","family":"Stepp","affiliation":""}],"abstract":"A aethod of \"learning froa obaervation\" 1a preaented which atructurea a collection of objecta into hierarchlea of aubcategoriea, auch that each aubcategory ia characteriaed by a conjunctive deacription involving relatione on aelected object attribute&. The conjunctive deacriptiona aprouting froa each node are ~tually diajoint and optimal aa a group accordiQ& to a flexibly defined criterion. Each level of the hierarchy ia deterained by an iterative proceaa which repetitively applies a veraion of the A* aearch algoritha. Experiaenta with the prograa CLUSTEI/PAF iaplementing the method indicate that the obtained hierarchiea represent aolutiona which have a aiaple conceptual interpretation and which aeea to agree well with the way people atructure objecta.","doi":null,"url":"https://ijcai.org/proceedings/1981/89","pdf":"https://ijcai.org/proceedings/1981/0089.pdf","markdown":"https://ijcai.org/proceedings/1981/89.md","bibtex":"https://ijcai.org/proceedings/1981/bibtex/89","volume":{"slug":"1981","title":"Proceedings of the Seventh International Joint Conference on Artificial Intelligence","short_title":"IJCAI 1981","url":"https://ijcai.org/proceedings/1981/","year":1981,"location":"Vancouver, British Columbia, Canada","dates":"24-28 August 1981","editors":"Roger C. Schank","isbn":"","publisher":"International Joint Conferences on Artificial Intelligence","doi_prefix":""},"section":"Theoretical Foundations","track":"Theoretical Foundations","number":89,"pages":{"first":460,"last":464},"keywords":[],"videos":[],"references":[],"license_note":"Copyright International Joint Conferences on Artificial Intelligence."}