Patent ID: 11861305
Assignee: HITACHI, LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 4:
5. The word processing system according to claim 1, further comprising:
a fourth generation unit which acquires paraphrasing rule data included in the first expression data from the paraphrasing rule data stored in the storage device, uses third expression data on a side which differs from the first expression data in the acquired paraphrasing rule data, and the second expression data, as the paraphrasing rule data, acquires hierarchy data using the second expression data from the plurality of hierarchy data, paraphrases syntax tree data of the acquired hierarchy data with the third expression data, counts a number of the paraphrased syntax tree data included in the plurality of hierarchy data, and generates the second expression data and the third expression data as the paraphrasing rule data when the counted number exceeds a threshold.