MongoDB and Solr to Experiment with Twitter Lists
We already know that NoSQL projects are in love with Twitter apps, so I thought that this experiment of using MongoMapper with MongoDB and Solr to calculate Twitter influence based on lists may be interesting considering code is included.
Based on the details in the post I am not sure if they are using this MongoDB and Solr integration solution.
via: http://www.untitledstartup.com/2010/01/how-to-use-twitter-lists-to-determine-influence/