Encyclopedia of Operations Research and Management Science

2001 Edition
| Editors: Saul I. Gass, Carl M. Harris


Reference work entry
DOI: https://doi.org/10.1007/1-4020-0611-X_673

(1) A simple queueing subsystem in a queueing network consisting of a server center with one or more servers, a queueing capacity infinite or finite, and a queue discipline. (2) An element of a graph or network, pairs of which are connected by arcs or edges. Nodes are sometimes referred to as points or vertices. Graph theory; Network optimization. (3) Shown graphically in a project network plan as a circle depicting the beginning or end of an activity. A node represents an instantaneous point in time at the junction of arrows. Network planning.

Copyright information

© Kluwer Academic Publishers 2001

Authors and Affiliations

  1. 1.Robert H. Smith School of BusinessUniversity of MarylandCollege PartUSA
  2. 2.School of Information Technology & EngineeringGeorge Mason UniversityFairfaxUSA