My primary objective is to find new issues in the data - things that we haven't seen before.  So, creating user topics won't work because that would only include things that I have seen before in the data. I was hoping to use the terms identified in the Text Topics node for the comparison.  From one time period to the next you would likely see some topics that are exactly the same (5 terms all the same).  You would also see some that changed (2 or 3 terms the same) and then some that are totally new terms.  I would like to score each of the topics in the new time period based on how it compares to the prior months. This is just me coming up with a potential solution.  There may be another method that I am missing to identify new issues.  Any ideas? ... View more