title: report from the nsf workshop on workflow and process automation in information systems. authors: dimitrios georgakopoulos , stef joosten , marek rusinkiewicz , alexander l. wolf , walt scacchi , amit p. sheth , jack c. wileden. venue: sigmod record. year: 1996
title: research and practice in federated information systems. authors: w. hasselbring , w.-j . van den heuvel , g. j. houben , r.-d . kutsche , b. rieger , m. roantree , k. subieta. venue: acm sigmod record. year: 2000