I mentioned last time that the technique we use to determine topics is a variant of something that has been around for fifty years. In this part I will talk about the intriguing history of this technique, and in the process, I hope to illuminate what we are doing and

Topic Modeling of documents is hot in the research community. Conferences are filled with different ways of determining topic models and how to apply them. The prestigious data mining conference KDD has in recent years had entire sections on topic modeling. The leading algorithms all have three-letter acronyms and sound

Those of you who have seen the new version of SAS Text Miner know that we are transitioning from a “document clustering” approach towards a “topics in documents” approach. I have received a lot of questions about this, so I thought I would address some of them in a multi-part