Methods, systems and computer program products for simplifying complex data stream problems involving feature extraction from noisy data. Exemplary embodiments include a method for processing a data stream, including applying multiple operators to the data stream, wherein an operation by each of the...http://www.google.com.hk/patents/US7805445?utm_source=gb-gplus-share專利 US7805445 - Simplifying complex data stream problems involving feature extraction from noisy data
