Patent Document ID: 7849087
Application ID: 11170019

Base Claim:
1. A method for operating a probabilistic document categorizer having an associated vocabulary of words and an associated plurality of probabilistic categorizer parameters derived from a collection of documents, the method comprising: receiving a new document; converting the new document to a bag-of-words representation; and updating the probabilistic categorizer parameters to reflect addition of the new document to the collection of documents based on vocabulary words contained in the bag-of-words representation of the new document, a category of the new document, and a collection size parameter indicative of an effective total number of instances of vocabulary words in the collection of documents.

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Claim 9:
9. The method as set forth in claim 1 , wherein the new document is annotated by a plurality of categories, and the updating includes: repeating the updating for a plurality of instances of the new document in which each instance is annotated by one of the plurality of categories.