title: a workflow-based electronic marketplace on the web. authors: a dogac , i durusoy , s arpinar , n tatbul , p koksal , i cingil , n dimililer. venue: sigmod record. year: 1998
title: an open electronic marketplace through agent-based workflows : moppet. authors: s arpinar , a dogac , n tatbul. venue: international journal on digital libraries ,. year: 2000.0