Mathematical Problems in Engineering / 2015 / Article / Alg 1

Research Article

A New Recommendation Algorithm Based on User’s Dynamic Information in Complex Social Network

Algorithm 1

The traditional user similarity measurement.
Input: User set , Item set , Rating Matrix
Output: Users Similarity
Step  1. let ;
Step  2. when , go to Step  3; otherwise, end;
Step  3. let ; when , compute to get the
users similarity according to formula (1) or (2); otherwise,
++, go back to Step  2.

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