Volume 26    Number 1    March 1997

Non-clickable items are available only in the hard-copy version of SIGMOD Record. All clickable items are in postscript format. SIGMOD OFFICERS, COMMITTEES, AND AWARDS EDITOR'S NOTES SPECIAL SECTION ON ENVIRONMENT INFORMATION SYSTEMS Guest Editor's Foreword O. Gunther Integrating Modelling Systems for Environmental Management Information Systems D. J. Abel, K. Taylor, D. Kuo Improving Access to Environmental Data Using Context Information A. Tomasic, E. Simon WWW-UDK: A Web-based Environmental Meta-Information System R. Kramer, R. Nikolai, A. Koschel, C. Rolker, P. Lockemann Management of Data and Services in the Environmental Information System (UIS) of Baden-Wurttemberg W-F. Riekert, R. Mayer-foll, and G. Wiest Data management for Earth System Science J. Frew, J. Dozier Open GIS and On-Line Environmental Libraries K. Gardels REPORTS Mediator Languages --- a Proposal for a Standard P. Buneman, L. Raschid, J. Ullman A Consumer Viewpoint on ``Mediator Languages --- a Proposal for a Standard'' A. Rosenthal, E. Hughes, S. Renner, L. Seligman ARTICLES Min-Max Compression Methods for Medical Image Databases K. Karadimitriou, J. M. Tyler Converting Relational to Object-Oriented Databases J. Fong Extraction of Object-Oriented Structures from Existing Relational Databases S. Ramanathan, J. Hodges RESEARCH SURVEYS An Overview of Data Warehousing and OLAP Technology S. Chaudhuri, U. Dayal SYSTEMS AND PROTOTYPES Query Previews for Networked Information Systems: A Case Study with NASA Environmental Data K. Doan, C. Plaisant, B. Shneiderman, T. Bruns FUNDING NEWS Opportunities in Information Management and Assurance X. Qian ANNOUNCEMENTS AND CALLS FOR PAPERS BNCOD HPTS ICDE97 Last update: June 26, 2000 Previous Issue: December 1996 Next Issue: June 1997 Send comments or suggestions to Alexandros Labrinidis.