| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a device for creating a different notation dictionary capable of relieving burdens of creation and maintenance of data, automatically expanding different notation and creating the different notation dictionary having the increased vocabulary. <P>SOLUTION: The device is provided with a related word acquisition part 103 which extracts a related word of a notation word W included in the different notation dictionary 101 and a different notation filter 115 which calculates similarity between the acquired related word and the notation word W and determines whether or not the related word is similar to the notation word W, when the different notation filter 115 judges that the related word is similar to the notation word W, the related word is added to the different notation dictionary 101. <P>COPYRIGHT: (C)2004,JPO |
