title: building knowledge base management systems. authors: thodoros topaloglou , adel shrufi , vinay k. chaudhri , dimitris plexousakis , john mylopoulos. venue: vldb j.. year: 1996
title: flowback : providing backward recovery for workflow management systems. authors: bartek kiepuszewski , ralf muhlberger , maria e. orlowska. venue: international conference on management of data. year: 1998