Path: utzoo!mnetor!uunet!husc6!bbn!clsib21!fpm From: fpm@clsib21.UUCP (Frederick P Mikkelsen) Newsgroups: comp.cog-eng Subject: Re: spatial reference in natural language Message-ID: <586@clsib21.UUCP> Date: 9 Dec 87 15:05:02 GMT References: <6818@sunybcs.UUCP> <3540002@wdl1.UUCP> <1057@hp-sdd.HP.COM> Organization: CLSI Newtonville, Mass Lines: 14 Summary: Natural language coordinate systems convey semantic information about the nature of movement or orientation. In reviewing whether in California the nature of a coorindate system, whether Los Angeles is north or northwest of San Diego, or whether orientation is made off highways or mountains, it is necessary to understand the properties associated with the coordinate system, and the tools available to measure it. In recognizing what directions in a context specific setting mean, it is necessary to understand all the relative directions and distances that the situation supports, and the concepts of primary significance of objects in the orientation. "Continue DOWNWARD until you reach X reorient in the space to the position you believe to be (R,Th) and SHORTLY you will reach the point at which you should be able to IDENTIFY Y.