Ontology-based Web agents
Sean Luke, Lee C. Spector, David L. Rager, James Hendler · 1997
This paper describes SHOE, a set of Simple HTML Ontology Extensions which allow World-Wide Web authors to annotate their pages with semantic knowledge such as "I am a graduate student" or "This person is my graduate advisor". These annotations are expressed in terms of ontological knowledge which can be generated by using or extending standard ontologies available on the Web. This makes it possible to ask Web agent queries such as "Find me all graduate students in Maryland who are working on a project funded by DoD initiative 123-4567", instead of simplistic keyword searches enabled by current search engines. We have also developed a web-crawling agent, Expos e, which interns SHOE knowledge from web documents, making these kinds queries a reality. Introduction Imagine that you are searching the World-Wide Web for the home pages of a Mr. and Mrs. Cook, whom you met at a conference last year. You don't remember their first names, but you do recall that both work for an employer associat...