You have not specified clearly what result you want. If you want to apply existing tools to solve particular known problems, you might want to look at Tony Seg

You have not specified clearly what result you want. If you want to apply existing tools to solve particular known problems, you might want to look at Tony Segaran's Programming Collective Intelligence (2007) for a survey of the sort of things people have done. Or ask his list for what kinds of things you want to learn from this data. If you are wanting to discover new relationships between the various, there are tools for that as well. See. for example, http://people.ischool.berkeley.edu/~hearst/papers/acl99/acl99-tdm.html http://people.ischool.berkeley.edu/~hearst/papers/acl99/acl9.... Systems that create knowledge from data by some independent process are still rare and sketchy.