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GPRINT - A LISP Pretty Printer Providing Extensive User Format-Control Mechanism
(1981-10-01)
A pretty printer is presented which makes it easy for a user to control the format of the output produced. The printer can be used as a general mechanism for printing data structures as well as programs. It is divided ...
The Curve of Least Energy
(1981-01-01)
Here we search for the curve which has the smallest integral of the square of curvature, while passing through two given points with given orientation. This is the true shape of a spline used in lofting. In computer-aided ...
Equation Counting and the Interpretation of Sensory Data
(1981-06-01)
Many problems in biological information processing require the solution to a complex system of equations in many unknown variables. An equation-counting procedure is described for determining whether such a system of ...
Record of the Workshop on Research in Office Semantics
(1981-02-01)
This paper is a compendium of the ideas and issues presented at the Chatham Bars Workshop on Office Semantics. The intent of the workshop was to examine the state of the art in office systems and to elucidate the ...
A Computational Theory of Visual Surface Interpolation
(1981-06-01)
Computational theories of structure from motion [Ulman, 1979] and stereo vision [Marr and Poggio, 1979] only specify the computation of three-dimensional surface information at special points in the image. Yet, the ...
Control of a Tendon Arm
(1981-02-01)
The dynamics and control of tendon driven three degree of freedom shoulder joint are studied. A control scheme consisting of two phases has been developed. In the first phase, approximation of the time optimal control ...
Music, Mind and Meaning
(1981-02-01)
Speculating about cognitive aspects of listening to music, this essay discusses: how metric regularity and thematic repetition might involve representation frames and memory structures, how the result of listening might ...
EMACS: The Extensible, Customizable, Self-Documenting Display Editor
(1981-03-01)
EMACS is a display editor which is implemented in an interpreted high level language. This allows users to extend the editor by replacing parts of it, to experiment with alternative command languages, and to share ...
A Real Time Garbage Collector Based on the Lifetimes of Objects
(1981-10-01)
In previous heap storage systems, the cost of creating objects and garbage collection is independent of the lifetime of the object. Since objects with short lifetimes account for a large portion of storage use, it's ...
Nonlinear Interactions in a Dendritic Tree: Localization, Timing and Role in Information Processing
(1981-09-01)
In a dendritic tree transient synaptic inputs activating ionic conductances with an equilibrium potential near the resting potential can veto very effectively other excitatory inputs. Analog operations of this type can ...