1. A method, comprising: classifying a document in an online database as belonging to one or more of a plurality of categories according to subject matter utilizing, at least in part, a computing platform comprising a processor, wherein the classifying is based, at least in part, on a training set; gathering statistics regarding user browsing behavior for the document and storing the gathered statistics in a memory of the computing platform; comparing the gathered statistics with statistics regarding user browsing behavior for other documents interpreted to be correctly classified; and modifying the training set based, at least in part, on the gathered statistics and based at least in part on said comparison of the gathered statistics with the statistics regarding user browsing behavior for the other documents interpreted to be correctly classified, utilizing, at least in part, the computing platform.