| 摘要 |
PROBLEM TO BE SOLVED: To provide an information processor for extracting a context word being a first topic in sentence information to be an object without being affected by the accuracy of syntax analysis processing.SOLUTION: First extraction means of the information processor applies a topic model to the sentence information to be an object to extract a topic distribution of words constituting the sentence information, second extraction means extracts a first topic in the sentence information from the topic distribution extracted by the first extraction means, and third extraction means extracts a word satisfying a predetermined condition among words having the first topic extracted by the second extraction means as a context word in the sentence information.SELECTED DRAWING: Figure 1 |
