title: an annotated bibliography on real-time database systems. authors: özgür ulusoy. venue: sigmod record. year: 1995
title: deeds towards a distributed and active real-time database system. authors: s. f. andler , j. hansson , j. eriksson , j. mellin , m. berndtsson , b. eftring. venue: acm sigmod record. year: 1996