IEEE Data Engineering Bulletin, Volume 14

Volume 14, Number 1, March 1991

• John V. Carlis:
  Message from the TC Chair. 1
  
• Ahmed K. Elmagarmid:
  Letter from the Issue Editor. 2-3
  
• Umeshwar Dayal, Meichun Hsu, Rivka Ladin:
  A generalized Transaction Model for Long-Running Activities and Active Databases. 4-8
  
• Clarence A. Ellis:
  Consistency within Concurrent Groupware Systems. 9-13
  
• Hector Garcia-Molina, Dieter Gawlick, Johannes Klein, Karl Kleissner, Kenneth Salem:
  Modeling Long-Running Activities as Nested Sagas. 14-18
  
• Gail E. Kaiser, Dewayne E. Perry:
  Making Progress in Cooperative Transaction Models. 19-23
  
• K. C. Lee, William H. Mansfield, Amit P. Sheth:
  An Interactive Transaction Model for Distributed Cooperative Tasks. 24-28
  
• Yungho Leu:
  Composing Multidatabase Applications using Flexible Transactions. 29-33
  
• Peter Muth, Thomas C. Rakow, Wolfgang Klas, Erich J. Neuhold:
  A Transaction Model for an Open Publication Environment. 34-38
  
• Andreas Reuter, Helmut Wächter:
  The ConTract Model. 39-43
  
• Marek Rusinkiewicz, Amit P. Sheth:
  Polytransactions for Managing Independent Data. 44-48
  
• Rainer Unland, Gunter Schlageter:
  A Flexible and Adapable Tool Kit Approach for Transaction Management in Non Standard Database Systems. 49-54
  
• Jari Veijalainen, Frank Eliassen:
  The S-transaction Model. 55-59
  
• Gerhard Weikum, Hans-Jörg Schek:
  Multi-Level Transactions and Open Nested Transactions. 60-64
  

Volume 14, Number 2, June 1991

• Rakesh Agrawal:
  Letter from th Issue Editor. 1-2
  
• Serge Abiteboul, Paris C. Kanellakis:
  The Two Facets of Object-Oriented Data Models. 3-7
  
• Catriel Beeri:
  Theoretical Foundations for OODB's - a Personal Perspective. 8-12
  
• Michael Kifer:
  A First-Order Formalism of Object-Oriented Languages. 13-17
  
• Richard Hull, Surjatini Widjojo, Dave Wile, Masatoshi Yoshikawa:
  On Data Restructuring and Merging with Object Identity. 18-22
  
• Val Tannen, Peter Buneman, Atsushi Ohori:
  Data Structures and Data Types for Object-Oriented Databases. 23-27
  
• Christophe Lécluse, Philippe Richard:
  Foundations of the O2 Database Systems. 28-32
  
• Alberto Coen-Porisini, Luigi Lavazza, Roberto Zicari:
  Updating the Schema of an Object-Oriented Database (Extended Abstract). 33-37
  
• Won Kim, Yoon-Joon Lee, Jungyun Seo:
  An Overview of Integrity Management in Object-Oriented Databases. 38-42
  
• Marc H. Scholl, Hans-Jörg Schek:
  Supporting Views in Object-Oriented Databases. 43-47
  
• Scott L. Vandenberg, David J. DeWitt:
  Algebraic Query Processing in EXTRA/EXCESS. 48-52
  
• Stanley B. Zdonik, Gail Mitchell:
  ENCORE: An Object-Oriented Approach to Database Modelling and Querying. 53-57
  
• Scott Daniels, Goetz Graefe, Thomas Keller, David Maier, Duri Schmidt, Bennet Vance:
  Query Optimization in Revelation, an Overview. 58-62
  

Volume 14, Number 3, September 1991

• Rakesh Agrawal, Nick Cercone, David Choy:
  A Message to TCDE Members. 1
  
• Kyu-Young Whang:
  Letter from the Editor. 2-3
  
• Stavros Christodoulakis, Anastassia Ailamaki, Manolis Fragonikolakis, Yorgos Kapetanakis, Leonidas Koveos:
  A Object Oriented Architecture For Multimedia Information Systems. 4-15
  
• Wolfgang Putz, Erich J. Neuhold:
  is-News: a Multimedia Information System. 16-25
  
• Thomas D. C. Little, C. Y. Roger Chen, C. S. Chang, P. Bruce Berra:
  Multimedia Synchronization. 26-35
  
• Gio Wiederhold, David Beech, Toshimi Minoura:
  Multimedia Database Depelopment in Japan. 36-45
  
• Kuan-Tsae Huang:
  Multimedia Classroom of The Future. 46-51