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ACM Transactions on Information Systems (2003)


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2003 Volume 21 Issue 1

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QProber: A system for automatic classification of hidden-Web databases
Luis Gravano | Panagiotis G. Ipeirotis | Mehran Sahami

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Local versus global link information in the Web
Pável Calado | Berthier A. Ribeiro-Neto | Nivio Ziviani | Edleno Silva de Moura | Ilmério Silva

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Exploiting hierarchical domain structure to compute similarity
Prasanna Ganesan | Hector Garcia-Molina | Jennifer Widom

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Early user - system interaction for database selection in massive domain-specific online environments
Jack G. Conrad | Joanne S. Claussen


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2003 Volume 21 Issue 2

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Performance issues and error analysis in an open-domain question answering system
Dan I. Moldovan | Marius Pasca | Sanda M. Harabagiu | Mihai Surdeanu

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A hierarchical access control model for video database systems
Elisa Bertino | Jianping Fan | Elena Ferrari | Mohand-Said Hacid | Ahmed K. Elmagarmid | Xingquan Zhu

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Region proximity in metric spaces and its use for approximate similarity search
Giuseppe Amato | Fausto Rabitti | Pasquale Savino | Pavel Zezula


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2003 Volume 21 Issue 3

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The use of dynamic context to improve casual internet searching
Gondy Leroy | Ann M. Lally | Hsinchun Chen

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Logical and physical design issues for smart card databases
Cristiana Bolchini | Fabio Salice | Fabio Alberto Schreiber | Letizia Tanca

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Query-independent evidence in home page finding
Trystan Upstill | Nick Craswell | David Hawking


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2003 Volume 21 Issue 4

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Measuring praise and criticism: Inference of semantic orientation from association
Peter D. Turney | Michael L. Littman

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MEGA - the maximizing expected generalization algorithm for learning complex query concepts
Edward Y. Chang | Beitao Li

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Coverage, relevance, and ranking: The impact of query operators on Web search engine results
Caroline M. Eastman | Bernard J. Jansen

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Comparing the performance of collection selection algorithms
Allison L. Powell | James C. French

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A semisupervised learning method to merge search engine results
Luo Si | Jamie Callan