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ACM Transactions on Information Systems (TOIS), Volume 15 Issue 4, Oct. 1997

On automated message processing in electronic commerce and work support systems: speech act theory and expressive felicity
Steven O. Kimbrough, Scott A. Moore
Pages: 321-367
DOI: 10.1145/263479.263480
Electronic messaging, whether in an office environment or for electronic commerce, is normally carried out in natural language, even when supported by information systems. For a variety of reasons, it would be useful if electronic messaging...

A multilevel approach to intelligent information filtering: model, system, and evaluation
J. Mostafa, S. Mukhopadhyay, M. Palakal, W. Lam
Pages: 368-399
DOI: 10.1145/263479.263481
In information-filtering environments, uncertainties associated with changing interests of the user and the dynamic document stream must be handled efficiently. In this article, a filtering model is proposed that decomposes the overall task into...

Proximal nodes: a model to query document databases by content and structure
Gonzalo Navarro, Ricardo Baeza-Yates
Pages: 400-435
DOI: 10.1145/263479.263482
A model to query document databases by both their content and structure is presented. The goal is to obtain a query language that is expressive in practice while being efficiently implementable, features not present at the same time in previous...