Behavior Research Methods & Instrumentation

, Volume 7, Issue 2, pp 105–106 | Cite as

PROJECT__X: A PL/1 program for processing acyclic digraphs

  • James D. Hollan
  • Robert E. Osteen
Session IV Contributed Papers: Instructional Applications


A PL/I program for constructing and processing acyclic digraphs is described. As an aid to exposition, an application of the program to the study of epistomological structure in human memory is discussed.


Directed Path Human Memory Directed Line Dictionary Entry Multiple Occurrence 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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  5. Tulving, E., &Donaldson, W. (Eds.)Organization of memory. New York: Academic Press, 1972.Google Scholar

Copyright information

© Psychonomic Society, Inc. 1975

Authors and Affiliations

  • James D. Hollan
    • 1
  • Robert E. Osteen
    • 2
  1. 1.Clarkson College of TechnologyPotsdam
  2. 2.University of FloridaGainesville

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