title: improving timeliness in real-time secure database systems. authors: sang hyuk son , rasikan david , bhavani m. thuraisingham. venue: sigmod record. year: 1996
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