Similarity

This module allows the administrator to create a wide ranging set of similarity calculations. It can out of the box, calculate similar nodes of a specific type using the search index, taxonomy terms and node title. These similarities are calculated on cron run.

This module is in the middle of a rewrite to address the architecture and scalability problems of the first attempt. You can see the progress here: http://github.com/SupermanScott/similarity and to see the basic plan: #718482: Is this module abandonded