B. A. Galler
Page 1
Time-shared, multiprogrammed, and overlayed batch systems frequently require segmentation of computer programs into discrete portions. These program portions are transferred between executable and peripheral storage whenever
…
Thomas C. Lowe
Pages 3-6
A brief study is made of the propagation of errors in linear first-order difference equations. The recursive computation of successive derivatives of ex/x and (cos x)/x is considered as an llustration.
Walter Gautschi, Bruce J. Klein
Pages 7-9
A scheduling algorithm is proposed which is intended to minimize changes of tasks on processors and thereby reduce overhead. The algorithm also has application to more general resource allocation problems. It is implemented by …
A. P. Mullery, G. C. Driscoll
Pages 10-14
Recent experiments in programming natural language question-answering systems are reviewed to summarize the methods that have been developed for syntactic, semantic, and logical analysis of English strings. It is concluded that …
Robert F. Simmons
Pages 15-30
An operational extensible language system is described. The system and its base language are appraised with respect to efficiency, flexibility, and utility for different categories of users.
Edgar T. Irons
Pages 31-40
A method for extracting a smooth polygonal contour from a digitized image is illustrated. The ordered sequence of contour points and the connection graph of the image are first obtained by a modified Ledley algorithm in one image …
U. Montanari
Pages 41-47
Harald Stehfest
Pages 47-49
Henry E. Schaffer
Page 49
Edgar L. Butler
Pages 49-52
K. B. Dunham
Pages 52-53
J. K. S. McKay
Page 52
Walter Gautschi, Bruce J. Klein
Pages 53-54
Robin Griffin, K. A. Redish
Page 54
M. Stuart Lynn
Page 55
This proposed American National Standard has been accepted for publication by American National Standards (formerly USASI) Committee X3, Computers and Information Processing. In order that the final version of the proposed standard …
M. Stuart Lynn
Page 56
Intermediate computations in an “Extremely Portable Random Number Generator” by J. B. Kruskal [
Comm. ACM 12, 2 (Feb. 1969), 93-94] exceed 15 bits plus sign. This is a severe limitation since the majority of small computers uses …
W. H. Payne
Page 57