A subquadratic triad census algorithm for large sparse networks with small maximum degree

In the paper a subquadratic (O(m), m is the number of arcs) triad census algorithm for large and sparse networks with small maximum degree is presented. The algorithm is implemented in the program Pajek. © 2001 Elsevier Science B.V. All rights reserved. MSC: 91D30; 93A15; 68R10; 05C85; 68W40; 05C90