Information Sciences, Volume 49

Volume 49, Number 1-3, October - December 1989

• Ahmed K. Elmagarmid:
  Introduction to the special issue on database systems. 1-2
  
• Show-Way Yeh, Clarence A. Ellis, Aral Ege, Henry F. Korth:
  Performance analysis of two concurrency control schemes for design environments. 3-33
  
• Abdelsalam Heddaya, Meichun Hsu, William E. Weihl:
  Two Pase Gossip: Managing Distributed Event Histories. 35-57
  
• Witold Litwin, Abdelaziz Abdellatif, A. Zeroual, B. Nicolas, Ph. Vigier:
  MSQL: A Multidatabase Language. 59-101
  
• Ilsoo Ahn, Richard T. Snodgrass:
  Performance Analysis of Temporal Queries. 103-146
  
• Shamkant B. Navathe, Rafi Ahmed:
  A Temporal Relational Model and a Query Language. 147-175
  
• Don S. Batory:
  On the reusability of query optimization algorithms. 177-202
  
• Francesco M. Malvestuto:
  A universal table model for categorical databases. 203-223
  
• Michael V. Mannino, Angel Rivera:
  An extensible model of selectivity estimation. 225-247
  
• James P. Held, John V. Carlis:
  The applicative data model. 249-283