Broadcasting system and reception apparatus

摘要

A broadcasting system 1 provides a digital content to be broadcast with an attribute vector A thereof. A filter 12 is assigned with a selection vector S indicating user's taste. The filter 12 performs a standardized inner product operation between the selection vector S and the attribute vector A for selecting and recording broadcast programs. A = (a1, a2, a3, ....., an) S = (s1, s2, s3, ....., Sn) P = A . S DIVIDED A S