ACM Transactions on Information Systems (TOIS), Volume 17

Volume 17, Number 1, January 1999

• Kevin Chen-Chuan Chang, Hector Garcia-Molina, Andreas Paepcke:
  Predicate Rewriting for Translating Boolean Queries in a Heterogeneous Information System. 1-39
  
• David Hawking, Paul B. Thistlewaite:
  Methods for Information Server Selection. 40-76
  
• Bernard C. Y. Tan, Kwok Kee Wei, Richard T. Watson:
  The Equalizing Impact of a Group Support System on Status Differentials. 77-100
  

Volume 17, Number 2, April 1999

• Elisa Bertino, Sushil Jajodia, Pierangela Samarati:
  A Flexible Authorization Mechanism for Relational Data Management Systems. 101-140
  
• William W. Cohen, Yoram Singer:
  Context-Sensitive Learning Methods for Text Categorization. 141-173
  
• Essam A. El-Kwae, Mansur R. Kabuka:
  A Robust Framework for Content-based Retrieval by Spatial Similarity in Image Databases. 174-198
  
• Frank M. Shipman III, Raymond McCall:
  Incremental Formalization with the Hyper-Object Substrate. 199-227
  

Volume 17, Number 3, July 1999

• Norbert Fuhr:
  A Decision-Theoretic Approach to Database Selection in Networked IR. 229-249
  
• Susan Gauch, Jianying Wang, Satya Mahesh Rachakonda:
  A Corpus Analysis Approach for Automatic Query Expansion and Its Extension to Multiple Databases. 250-269
  
• Cheng Hian Goh, Stéphane Bressan, Stuart E. Madnick, Michael Siegel:
  Context Interchange: New Features and Formalisms for the Intelligent Integration of Information. 270-293
  
• Ee-Peng Lim, Ying Lu:
  Harp: A Distributed Query System for Legacy Public Libraries and Structured Databases. 294-319
  
• Catherine Plaisant, Ben Shneiderman, Khoa Doan, Tom Bruns:
  Interface and Data Architecture for Query Preview in Networked Information Systems. 320-341
  

Volume 17, Number 4, October 1999

• Hao Chen, Jianying Hu, Richard Sproat:
  Integrating geometrical and linguistic analysis for email signature block parsing. 343-366
  
• Warren R. Greiff, W. Bruce Croft, Howard R. Turtle:
  PIC matrices: a computationally tractable class of probabilistic query operators. 367-405
  
• Marcin Kaszkiel, Justin Zobel, Ron Sacks-Davis:
  Efficient passage ranking for document databases. 406-439
  
• Mark Sanderson, C. J. van Rijsbergen:
  The impact on retrieval effectiveness of skewed frequency distributions. 440-465