title: the building blocks for specifying communication behavior of complex objects : an activity-driven approach. authors: ling liu , robert meersman. venue: acm trans . database syst .. year: 1996.0
title: the building blocks for specifying communication behavior of complex objects : an activity-driven approach ling liu , robert meersman 1996. authors: nan. venue: acm transactions on database systems ( tods ). year: nan