?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=G%C3%B3mez-P%C3%A9rez%2C+A.&rft.aufirst=A.&rft.aulast=G%C3%B3mez-P%C3%A9rez&rft.date=August+1999&rft.isbn=90-54-70-0825-8&rft.btitle=Proceedings+of+the+16th+International+Joint+Conference+on+Artificial+Intelligence+(IJCAI%E2%80%9999)+Workshop+KRR5%3A+Ontologies+and+Problem-Solving+Methods%3A+Lesson+Learned+and+Future+Trends&rft.title=Overview+of+Knowledge+Sharing+and+Reuse+Components%3A+Ontologies+and+Problem-Solving+Methods&rft.genre=proceeding