Mind the way you wanted to explore your data source scatter over the universe as well as compile the task being emerged in the various heterogenous fields. A good way to move ahead is to first decide where to move and later on start moving...so think over the clause then expore yourself to find in the correct path. Mining is not a special job to do its just a way to get organized data from bulk storage....so lets move in this direction to get our desires information from information storage, various tools like OLAP , OLTP, MOLAP, HOLAP, ROLAP etc will help to improve our research in this...