Rating a plurality of digital content items accessible via a network based on consumer interest, including continuously at predetermined intervals identifying a plurality of digital content items discoverable via the network and having dynamic characteristics of temporal behavior of an active conversation; grouping the identified plurality of digital content items into a plurality of event centers, each including one or more word cliques focused on a shared event, each word clique consisting of a unique plurality of words identified in a subset of a plurality of digital content items; rating the event center identified during an initial calculation of the predetermined intervals in accordance with a known value of subject matter related to the shared event; and subsequently, rating the digital content items comprising the one or more word cliques of the event center by correcting the rating set during the initial calculation based on gain and loss in an amount of the plurality of digital content items related to the shared event.
NATURAL CLASSIFICATION OF CONTENT USING UNSUPERVISED LEARNING