Information Systems (TOIS)


Search Issue
enter search term and/or author name


ACM Transactions on Information Systems (TOIS), Volume 15 Issue 2, April 1997

Making a digital library: the contents of the CORE project
Richard Entlich, Jan Olsen, Lorrin Garson, Michael Lesk, Lorraine Normore, Stuart Weibel
Pages: 103-123
DOI: 10.1145/248625.248627
The CORE (Chemical Online Retrieval Experiment) project is a library of primary journal articles in chemistry. Any library has an inside and an outside; in this article we describe the inside of the library and the methods for building the...

A text compression scheme that allows fast searching directly in the compressed file
Udi Manber
Pages: 124-136
DOI: 10.1145/248625.248639
A new text compression scheme is presented in this article. The main purpose of this scheme is to speed up string matching by searching the compressed file directly. The scheme requires no modification of the string-matching algorithm, which is...

The effect of accessing nonmatching documents on relevance feedback
Mark D. Dunlop
Pages: 137-153
DOI: 10.1145/248625.248650
Traditional information retrieval (IR) systems only allow users access to documents that match their current query, and therefore, users can only give relevance feedback on matching documents (or those with a matching strength greater than a set...

Access control for large collections
H. M. Gladney
Pages: 154-194
DOI: 10.1145/248625.248652
Efforts to place vast information resources at the fingertips of each individual in large user populations must be balanced by commensurate attention to information protection. For distributed systems with less-structured tasks, more-diversified...