Communications of the ACM

News track

Rosalie Steier
Pages 1157-1158

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President's letter

Bryan Kocher
Pages 1159-1160

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ACM forum

Robert L. Ashenhurst
Pages 1161-1163

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The case against user interface consistency

Designers striving for user interface consistency can resemble Supreme Court justices trying to define pornography: each of us feels we know it when we see it, but people often disagree and a precise definition remains elusive … Jonathan Grudin
Pages 1164-1173

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A finite and real-time processor for natural language

People process natural language in real time and with very limited short-term memories. This article describes a computational architecture for syntactic performance that also requires fixed finite resources. Glenn D. Blank
Pages 1174-1189

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Impact of a restricted natural language interface on ease of learning and productivity

People process natural language in real time and with very limited short-term memories. This article describes a computational architecture for syntactic performance that also requires fixed finite resources. H. Albert Napier, Richard R. Batsell, Norman S. Guadango, David M. Lane
Pages 1190-1198

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Four paradigms of information systems development

Developing computer-based information systems necessarily involves making a number of implicit and explicit assumptions. The authors examine four different approaches to information systems development. Rudy Hirschheim, Heinz K. Klein
Pages 1199-1216

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Results of the nineteenth ACM North American computer chess championship

Monty Newborn, Danny Kopec
Pages 1225-1230

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An evaluation tool for measuring authoring system performance

A model for producing objective and precise measurements of the power and performance of authoring systems is described. An animation task is given as an example of the model's potential as a tool for evaluating authoring systems … Carol B. MacKnight, Santosh Balagopalan
Pages 1231-1236

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Practical performance of Bloom filters and parallel free-text searching

Bloom filter technique of hashing finds several applications, such as in efficient maintenance of differential files, space efficient storage of dictionaries, and parallel free-text searching. The performance of hash transformations … M. V. Ramakrishna
Pages 1237-1239

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Technical correspondence

CORPORATE Tech Correspondence
Pages 1241-1258

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The 1987—1988 Taulbee survey

The Computing Research Board's 1987-1988 Taulbee Survey includes the latest statistics on production and employment of Ph.D.'s and faculty in computer science and engineering. Included also are departments offering Ph.D.'s in … David Gries, Dorothy Marsh
Pages 1217-1224

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