Patent ID: 7263530
Filing Date: 2007-08-28
Classification: G06F,Y10S

Abstract:
1. An apparatus including a processor to identify topics of document data, the apparatus comprising: a word ranker configured to rank words that are present in or representative of content of the document data; a co-occurrence ranker configured to rank co-occurrences of words that are present in or representative of the content of the document data; a phrase ranker configured to rank phrases in the document data; a words selector configured to select the words with a highest ranking; a co-occurrence identifier configured to identify which of the co-occurrences with a highest ranking contain at least one of the highest ranking words; a phrase identifier configured to identify the phrases containing at least one word from the identified co-occurrences by concatenating consecutive nouns, concatenating consecutive proper nouns, and concatenating consecutive adjectives with a final noun; a phrase selector configured to select one or ones of the identified phrases with a highest ranking as a topic or topics of the document data; and an outputter configured to output data relating to the selected topics.