XML Standards for Ontology Exchange
Marin Dimitrov · 2001
. This paper contains a brief introduction to XML and comparison of different languages for ontology exchange - XOL, OIL, RDFS. Many of these languages are just extension or development of others. In order to enable better understanding the historical relations between the languages are outlined. More formally, the languages are compared according to a number of representational primitives: instances, slots, facets, etc. Examples encoding similar knowledge in the different languages are available as well as the Document Type Definitions and XML-schemas of the languages. 1 Introduction The purpose of this document is to describe the basic ideas standing behind XML, its importance, applications and the relation to different ontology representations. First a brief introduction to XML and the related technologies is made. In the second part of the document each of the major aspects of XML are described in details. The reader will be introduced to the rules for creating valid and well-form...