SEPTEMBER 1990, VOLUME 13, NO.3 a quarterly bulletin of the IEEE Computer Society technical committee on Data Engineering CONTENTS Letter from the Issue Editor 1 Z Mera! Ozsoyoglu Current Research in Statistical and Scientific Databases: the V SSDBM 2 Z Michalewicz The Implementation of Area and Membership Retrievals in Point Geography Using SQL 4 A. J. Westlake and!. Kleinschmidt STORM: A statistical Object Representation 12 M. Rafanelil and A. Shoshani A Genetic Algorithm for Statistical Database Security 19 Z Micha!ewicz, J—J LI~ and K—W Chen Temporal Query Optimization in Scientific Databases 27 H. Gunadhi and A. Srgev A Visual Interface for Stafistical Entities 35 M. Rafanelli and F L. Ricci A Scientific DBMS for Programmable Logic Controllers 44 G. Ozoyoglu, W—C Hou, and A. Ola Panel: Scientific Data Management for Human Genonie Applications 51 Panel: Statistical Expert Systems 52 A Summary of the NSF Scientific Database Workshop 55 J. French, A. Jones, and John Pfaftz Calls for Papers 62 SPECIAL ISSUE ON STATISTICAL AND SCIENTIFIC DATABASES