title: improving timeliness in real-time secure database systems. authors: sang hyuk son , rasikan david , bhavani m. thuraisingham. venue: sigmod record. year: 1996
title: integrating temporal , real-time , an active databases. authors: krithi ramamritham , raju sivasankaran , john a. stankovic , don t. towsley , ming xiong. venue: acm sigmod record. year: 1996