Papers In this repository you will find summaries about papers and videos. NoSQL NoSQL Tapes Main concepts from videos posted at nosqltapes.com NoSQL CouchDB Dynamo Infinitegraph MapReduce Marklogic MongoDB Neo4j RethinkDB Riak Scality Big data Google - MillWheel Data Mining Class imbalance problem The class imbalance problem: a systematic study The class imbalance problem in pattern classification and learning