Patent Document ID: 6041293
Application ID: 08657042

Base Claim:
1. A document processing apparatus comprising: first word extracting means for extracting a first word from document data; preceding/subsequent word extracting means for extracting, from the document data, a second word that is one of a preceding word and a subsequent word of the first word; keyword extracting means for extracting a keyword of the document data, based on a frequency of occurrence of the first word, wherein said keyword extracting means includes word counting means for counting a number of occurrences of each word, other than unnecessary words which are pre-excluded from being keywords, in the document data, said keyword extracting means extracting a word having a high number of occurrences, counted by said word counting means, as the keyword; and translation means for translating the keyword into a predetermined language by referring to a dictionary in a process that considers a meaning of the first and second words existing together in the document data.

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Claim 6:
6. A document processing apparatus according to claim 1, wherein said preceding/subsequent word extracting means includes preceding word counting means for counting a number of occurrences of each preceding word, which precedes each word in the document data, and subsequent word counting means for counting a number of occurrences of each subsequent word, which follows each word in the document data, said keyword extracting means selecting preceding and subsequent words having highest numbers of occurrences, counted respectively by said preceding and subsequent word counting means, as the preceding and subsequent words of the first word.