Patent ID: 8275773
Filing Date: 2012-09-25
Classification: G06F

Abstract:
1. A method of alerting a user that new documents relevant to a search of the user have entered a database, the method having a scalable time complexity of O(N X ) where 0<=X<=1.0 for a universe of text on the world wide web, the method comprising: calculating a reference fingerprint as a reference point; classifying new documents that enter the database so that individual new documents have a fingerprint, the fingerprint comprising a list of weights associated with particular topic categories in a classification system, each of the weights representing a degree to which the document relates to the particular topic category that the weight is associated with, the weights obtained automatically from a computer program; comparing the fingerprint for each classified new document with the reference fingerprint, and alerting the user about new documents whose fingerprints have a threshold amount of mathematical overlap with the reference fingerprint, the method configured to have the scalable time complexity for the universe of text whether the universe of text includes text written in one language or in more than one language.