The author reports on a trip to universities in Argentina and Chile during November 1968, describing university conditions and computing activities. As elsewhere, these universities are experiencing student discontent with the …
Aaron Finerman
Pages 425-431
One of the first definition facilities for higher level languages is described. Users of the language can define new operators and/or data types into the MAD language, so that their use appears as if they were predefined. Information …
Bruce W. Arden, Bernard A. Galler, Robert M. Graham
Pages 432-439
A high level programming language for large, complex associative structures has been designed and implemented. The underlying data structure has been implemented using a hash-coding technique. The discussion includes a comparison …
Jerome A. Feldman, Paul D. Rovner
Pages 439-449
Explicit error bounds for periodic quintic spline interpolation are developed. The first (third) derivative of the periodic spline is shown to be a sixth (fourth) order approximation at the mesh points to the first (third) derivative …
Charles Allan Hall
Pages 450-452
An algorithm for Filon quadrature is described. Considerable attention has been devoted to an analysis of the round-off and truncation errors. The algorithm includes an automatic error control feature.
Stephen M. Chase, Lloyd D. Fosdick
Pages 453-457
Stephen M. Chase, Lloyd D. Fosdick
Pages 457-458
The Teachable Language Comprehender (TLC) is a program designed to be capable of being taught to “comprehend” English text. When text which the program has not seen before is input to it, it comprehends that text by correctly …
M. Ross Quillian
Pages 459-476
A program is described which produces syntactic analyses of English sentences with respect to a transformational grammar. The main features of the analyzer are that it uses only a limited dictionary of English words and that
…
Hamish Dewar, Paul Bratley, James Peter Thorne
Pages 476-479
Bernard A. Galler
Page 421
