title: krdb ' 98 : the 5th international workshop on knowledge representation meets databases. authors: alexander borgida , martin staudt , vinay k. chaudhri. venue: sigmod record. year: 1998
title: report on the 1995 international workshop on temporal databases. authors: arie segev , christian s. jensen , richard thomas snodgrass. venue: acm sigmod record. year: 1995