19. An apparatus, comprising: means for 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; means for gathering statistics regarding user browsing behavior for the document and means for storing the gathered statistics in a memory of the computing platform; means for comparing the gathered statistics with statistics regarding user browsing behavior for other documents interpreted to be correctly classified; and means for 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.
19. An apparatus, comprising: means for 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; means for gathering statistics regarding user browsing behavior for the document and means for storing the gathered statistics in a memory of the computing platform; means for comparing the gathered statistics with statistics regarding user browsing behavior for other documents interpreted to be correctly classified; and means for 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. 20. The apparatus of claim 19 , wherein said means for gathering statistics regarding user browsing behavior comprises means for gathering statistics regarding user clicking patterns.