ACM Transactions on Information Systems (TOIS), Volume 21

Volume 21, Number 1, January 2003

• Luis Gravano, Panagiotis G. Ipeirotis, Mehran Sahami:
  QProber: A system for automatic classification of hidden-Web databases. 1-41
  Electronic Edition (ACM DL) BibTeX
• Pável Calado, Berthier A. Ribeiro-Neto, Nivio Ziviani, Edleno Silva de Moura, Ilmério Silva:
  Local versus global link information in the Web. 42-63
  Electronic Edition (ACM DL) BibTeX
• Prasanna Ganesan, Hector Garcia-Molina, Jennifer Widom:
  Exploiting hierarchical domain structure to compute similarity. 64-93
  Electronic Edition (ACM DL) BibTeX
• Jack G. Conrad, Joanne S. Claussen:
  Early user - system interaction for database selection in massive domain-specific online environments. 94-131
  Electronic Edition (ACM DL) BibTeX

Volume 21, Number 2, April 2003

• Dan I. Moldovan, Marius Pasca, Sanda M. Harabagiu, Mihai Surdeanu:
  Performance issues and error analysis in an open-domain question answering system. 133-154
  Electronic Edition (ACM DL) BibTeX
• Elisa Bertino, Jianping Fan, Elena Ferrari, Mohand-Said Hacid, Ahmed K. Elmagarmid, Xingquan Zhu:
  A hierarchical access control model for video database systems. 155-191
  Electronic Edition (ACM DL) BibTeX
• Giuseppe Amato, Fausto Rabitti, Pasquale Savino, Pavel Zezula:
  Region proximity in metric spaces and its use for approximate similarity search. 192-227
  Electronic Edition (ACM DL) BibTeX

Volume 21, Number 3, July 2003

• Gondy Leroy, Ann M. Lally, Hsinchun Chen:
  The use of dynamic context to improve casual internet searching. 229-253
  Electronic Edition (ACM DL) BibTeX
• Cristiana Bolchini, Fabio Salice, Fabio A. Schreiber, Letizia Tanca:
  Logical and physical design issues for smart card databases. 254-285
  Electronic Edition (ACM DL) BibTeX
• Trystan Upstill, Nick Craswell, David Hawking:
  Query-independent evidence in home page finding. 286-313
  Electronic Edition (ACM DL) BibTeX

Volume 21, Number 4, October 2003

• Peter D. Turney, Michael L. Littman:
  Measuring praise and criticism: Inference of semantic orientation from association. 315-346
  Electronic Edition (ACM DL) BibTeX
• Edward Y. Chang, Beitao Li:
  MEGA - the maximizing expected generalization algorithm for learning complex query concepts. 347-382
  Electronic Edition (ACM DL) BibTeX
• Caroline M. Eastman, Bernard J. Jansen:
  Coverage, relevance, and ranking: The impact of query operators on Web search engine results. 383-411
  Electronic Edition (ACM DL) BibTeX
• Allison L. Powell, James C. French:
  Comparing the performance of collection selection algorithms. 412-456
  Electronic Edition (ACM DL) BibTeX
• Luo Si, Jamie Callan:
  A semisupervised learning method to merge search engine results. 457-491
  Electronic Edition (ACM DL) BibTeX