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Final Report of the Brookline LOGO Project. Part II: Project Summary and Data
(1979-09-01)
During the school year 1977/78 four computers equipped with LOGO and Turtle Graphics were installed in an elementary school in Brookline, Mass. All sixth grade students in the school had between 20 and 40 hours of ...
Procedural Attachment
(1979-08-01)
A frame-based reasoning system is extended to deal with procedural attachment. Arguments are given why procedural attachment is needed in a symbolic reasoner. The notion of an infinitary concept is introduced. Conventions ...
EMACS Manual for ITS Users
(1981-10-01)
A reference manual for the extensible, customizable, self-documenting real-time display editor. This manual corresponds to EMACS version 162.
Microelectronics In Nerve Cells: Dendritic Morphology and Information Processing
(1981-10-01)
The electrical properties of the different anatomical types of retinal ganglion cells in the cat were calculated on the basis of passive cable theory from measurements made on histological material provided by Boycott ...
Abstraction, Inspection and Debugging in Programming
(1981-06-01)
We believe that software engineering has much to learn from other mature engineering disciplines, such as electrical engineering, and that the problem solving behaviors of engineers in different disciplines have many ...
Evidence Relating Subjective Contours and Interpretations Involving Occlusion
(1981-06-01)
Subjective contours, according to one theory, outline surfaces that are apparently interposed between the viewer and background (because of the disruption of background figures, sudden termination of lines, and other ...
Rotationally Symmetric Operators for Surface Interpolation
(1981-11-01)
The use of rotationally symmetric operators in vision is reviewed and conditions for rotational symmetry are derived for linear and quadratic forms in the first and second partial directional derivatives of a function ...
Dynamic Interactions Between Limb Segments During Planar Arm Movement
(1981-11-01)
Movement of multiple segment limbs requires generation of appropriate joint torques which include terms arising from dynamic interactions among the moving segments as well as from such external forces as gravity. The ...
A Program Testing Assistant
(1981-11-01)
This paper describes the design and implementation of a program testing assistant which aids a programmer in the definition, execution, and modification of test cases during incremental program development. The testing ...
Sniffer: A System that Understands Bugs
(1981-06-01)
This paper presents a bug understanding system, called sniffer, which applies inspection methods to generate a deep understanding of a narrow class of errors. Sniffer is an interactive debugging aide. It can locate ...