| http://www.w3.org/ns/prov#value | - One claim recites a method including the acts of: (a) identifying plural local extrema within a two dimensional array of data signal that corresponds to a first creative work; (b) storing information relating to the plural local extrema identified in act (a) in a computer database for future reference; (c) thereafter, identifying plural local extrema within a two dimensional array of data signal t
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