1. Editorial

   • Ahmed K. Elmagarmid

   EditorialNotes Pages: 5 - 6

2. Guest editors' introduction

   • Hector Garcia-Molina
   • H. V. Jagadish

   EditorialNotes Pages: 7 - 7

3. Optimization of parallel query execution plans in XPRS

   • Wei Hong
   • Michael Stonebraker

   OriginalPaper Pages: 9 - 32

4. Practical prefetching techniques for multiprocessor file systems

   • David Kotz
   • Carla Schlatter Ellis

   OriginalPaper Pages: 33 - 51

5. A performance study of three high availability data replication strategies

   • Hui-I Hsiao
   • David J. Dewitt

   OriginalPaper Pages: 53 - 79

6. Distorted mapping techniques to achieve high performance in mirrored disk systems

   • Jon A. Solworth
   • Cyril U. Orji

   OriginalPaper Pages: 81 - 102

7. Dataflow query execution in a parallel main-memory environment

   • Annita N. Wilschut
   • Peter M. G. Apers

   OriginalPaper Pages: 103 - 128