{"type":"ScholarlyArticle","title":"An Interval-Based Representation of Temporal Knowledge","authors":[{"name":"James F. Allen","slug":"james-f-allen","given":"James F.","family":"Allen","affiliation":""}],"abstract":"This paper describes a method for maintaining the relationships between temporal intervals in a hierarchical manner using constraint propagation techniques. The representation includes a notion of the present moment (i.e., \"now\"), and allows one to represent intervals that may extend indefinitely into the pasllfuture. This research was supported in part by the National Science Foundation under Grant Number IST-80-12418, and in part by the Office of Naval Research under Grant Number N00014-80-C-0197.","doi":null,"url":"https://ijcai.org/proceedings/1981/46","pdf":"https://ijcai.org/proceedings/1981/0046.pdf","markdown":"https://ijcai.org/proceedings/1981/46.md","bibtex":"https://ijcai.org/proceedings/1981/bibtex/46","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":"Nowledge Representation","track":"Nowledge Representation","number":46,"pages":{"first":221,"last":225},"keywords":[],"videos":[],"references":[],"license_note":"Copyright International Joint Conferences on Artificial Intelligence."}