ACM Transactions on Information Systems (TOIS), Volume 19

Volume 19, Number 1, January 2001

• Claudio Carpineto, Renato de Mori, Giovanni Romano, Brigitte Bigi:
  An information-theoretic approach to automatic query expansion. 1-27
  
• Maria Cristina Ferreira de Oliveira, Marcelo Augusto Santos Turine, Paulo Cesar Masiero:
  A statechart-based model for hypermedia applications. 28-52
  
• Dimitris Papadias, Nikos Mamoulis, Vasilis Delis:
  Approximate spatio-temporal retrieval. 53-96
  

Volume 19, Number 2, April 2001

• James P. Callan, Margaret E. Connell:
  Query-based sampling of text databases. 97-130
  
• Ronny Lempel, Shlomo Moran:
  SALSA: the stochastic approach for link-structure analysis. 131-160
  
• Holger Meuss, Klaus U. Schulz:
  Complete answer aggregates for treelike databases: a novel approach to combine querying and navigation. 161-215
  

Volume 19, Number 3, July 2001

• Sergey Melnik, Sriram Raghavan, Beverly Yang, Hector Garcia-Molina:
  Building a distributed full-text index for the web. 217-241
  
• Cody C. T. Kwok, Oren Etzioni, Daniel S. Weld:
  Scaling question answering to the web. 242-262
  
• Jason I. Hong, Jeffrey Heer, Sarah Waterson, James A. Landay:
  WebQuilt: A proxy-based approach to remote web usability testing. 263-285
  
• Charu C. Aggarwal, Fatima Al-Garawi, Philip S. Yu:
  On the design of a learning crawler for topical resource discovery. 286-309
  
• Weiyi Meng, Zonghuan Wu, Clement T. Yu, Zhuogang Li:
  A highly scalable and effective method for metasearch. 310-335
  

Volume 19, Number 4, October 2001

• Kam-Fai Wong, Dawei Song, Peter Bruza, Chun Hung Cheng:
  Application of aboutness to functional benchmarking in information retrieval. 337-370
  
• Sara Comai, Ernesto Damiani, Piero Fraternali:
  Computing graphical queries over XML data. 371-430
  
• Takeshi Yoshioka, George Herman, JoAnne Yates, Wanda J. Orlikowski:
  Genre taxonomy: A knowledge repository of communicative actions. 431-456