AUTOMATIC KEY WORD EXTRACTION SYSTEM OF SENTENCE CONSISTING OF CHINESE CHARACTER AND 'KANA'(JAPANESE SYLLABARY)

摘要

PURPOSE:To extract a key word with high accuracy by use of a small-scale dictionary by storing in advance a specific word, an idiom and prescribed command contents as dictionary information, comparing an input sentence with this dictionary information, and cutting an unnecessary word referring to it. CONSTITUTION:Dictionary information consisting of key information and read-out information containing necessary command contents is stored in a dictionary information storage device 3. A signal (a) of a character-string constituting an input sentence consisting of a Chinese character and ''Kana'' (Japanese syllabary), which is stored in an input sentence storage device 2 is compared and collated in order with a key information signal (b) of the dictionary information stored in the dictionary information storage device 3, by a comparing device 4, and whether both the signals are in coincidence or dissidence is discriminated. The signal (a) which has passed through the comparing device 4, and a signal b' outputted from a processor 5 are inputted to an output sentence storage device 6. After all the comparison and collation have ended, the output sentence storage device 6 input the contents to an output device 7.