May 1988 Table of Contents | Communications of the ACM

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Home → Magazine Archive → May 1988 (Vol. 31, No. 5)

Table of Contents

Rosalie Steier

Pages 479-ff.

President's letter

Paul Abrahams

Pages 480-481

Robert L. Ashenhurst

Pages 482-483

Stalking the wily hacker

An astronomer-turned-sleuth traces a German trespasser on our military networks, who slipped through operating system security holes and browsed through sensitive databases. Was it espionage?

Clifford Stoll

Pages 484-497

Information technology and dataveillance

Data surveillance is now supplanting conventional surveillance techniques. With this trend come new monitoring methods such as personal dataveillance and mass dataveillance that require more effective safeguards and a formal …

Roger Clarke

Pages 498-512

On visual formalisms

The higraph, a general kind of diagramming object, forms a visual formalism of topological nature. Higraphs are suited for a wide array of applications to databases, knowledge representation, and, most notably, the behavioral …

David Harel

Pages 514-530

Reevaluating Amdahl's law

John L. Gustafson

Pages 532-533

Managing prototype knowledge/expert system projects

Computer science technology in the 1990s will involve knowledge/expert systems. Fundamental issues of technology transfer, training, problem selection, staffing, corporate politics, and more, are explored.

James M. Cupello, David J. Mishelevich

Pages 534-550

Growth stages of end user computing

The stages of growth and interconnectedness of the applications of end user computing are described in a model that is directed toward management and planning.

Sid L. Huff, Malcolm C. Munro, Barbara H. Martin

Pages 542-550

Factors of success for end-user computing

A two-phase study concerned with the factors of success associated with the development of computer applications by end users was conducted in 10 large organizations. During the first phase, in-depth interviews were used to refine …

Suzanne Rivard, Sid L. Huff

Pages 552-561

An experimental evaluation of the impact of data display format on recall performance

Recall, while an important topic in the study of learning and memory, has received relatively little attention as a dependent variable in studies that investigate alternative formats for presenting information. This paper describes …

Richard W. Schmell, Narayan S. Umanath

Pages 562-570

The world's fastest Scrabble program

An efficient backtracking algorithm makes possible a very fast program to play the SCRABBLE® Brand Crossword Game. The efficiency is achieved by creating data structures before the backtracking search begins that serve both to …

Andrew W. Appel, Guy J. Jacobson

Pages 572-578

An insertion algorithm for a minimal internal path length binary search tree

This paper presents an insertion algorithm for maintaining a binary search tree with minimal internal path length. The insertion algorithm maintains minimal internal path length by displacing keys when necessary, in an inorder …

Thomas E. Gerasch

Pages 579-585

MIS careers—a theoretical perspective

MIS personnel historically have exhibited a disturbingly high rate of turnover, and the job of the MIS manager is increasingly oriented to personnel and staffing problems. The MIS careers literature consistently suggests that …

Michael J. Ginzberg, Jack J. Baroudi

Pages 586-594