Importance

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Abstract

Methods and apparatus, including computer program products, for identifying Web page content with a granularity finer than individual Web pages, e.g., finer than individual HTML documents. The invention provides a computer-implemented method for identifying Web page content. The method includes receiving a string of markup language source code that includes tags. The method includes identifying sub-sequences in which tags occur in the string. Each sub-sequence is associated with the portion of the string that starts with the first tag of the sub-sequence and ends with the last tag of the sub-sequence. The sub-sequences identified are ones that satisfy criteria for being classified as associated with a portion of the string that define Web page content constituting an entire listing. The criteria includes a requirement that an identified sub-sequence be repeated in tandem, either exactly or approximately, in the string. The method includes returning the identified sub-sequences.

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First Claim