Information Systems (TOIS)


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ACM Transactions on Information Systems (TOIS), Volume 22 Issue 4, October 2004

Qualitative decision making in adaptive presentation of structured information
Ronen I. Brafman, Carmel Domshlak, Solomon E. Shimony
Pages: 503-539
DOI: 10.1145/1028099.1028100

We present a new approach for adaptive presentation of structured information, based on preference-based constrained optimization techniques rooted in qualitative decision-theory. In this approach, document presentation is viewed as a...

Analysis of lexical signatures for improving information persistence on the World Wide Web
Seung-Taek Park, David M. Pennock, C. Lee Giles, Robert Krovetz
Pages: 540-572
DOI: 10.1145/1028099.1028101

A <i>lexical signature</i> (LS) consisting of several key words from a Web document is often sufficient information for finding the document later, even if its URL has changed. We conduct a large-scale empirical study of nine methods for...

Fast phrase querying with combined indexes
Hugh E. Williams, Justin Zobel, Dirk Bahle
Pages: 573-594
DOI: 10.1145/1028099.1028102

Search engines need to evaluate queries extremely fast, a challenging task given the quantities of data being indexed. A significant proportion of the queries posed to search engines involve phrases. In this article we consider how phrase queries...

Information systems interoperability: What lies beneath?
Jinsoo Park, Sudha Ram
Pages: 595-632
DOI: 10.1145/1028099.1028103

Interoperability is the most critical issue facing businesses that need to access information from multiple information systems. Our objective in this research is to develop a comprehensive framework and methodology to facilitate semantic...