METHOD TO SELECT LEARNING TEXT FOR LANGUAGE MODEL, METHOD TO LEARN LANGUAGE MODEL BY USING THE SAME LEARNING TEXT, AND COMPUTER AND COMPUTER PROGRAM FOR EXECUTING THE METHODS

摘要

PROBLEM TO BE SOLVED: To provide a technique to efficiently collect sentences resembling sentences contained in the corpus of an object area from a corpus outside the corpus of the object area.SOLUTION: A technique to select a learning text for a language model comprises a generating technique to replace one or more words in the corpus of a first domain with a special symbol or symbols representing any random word or word string and to use the replacing word string as a template for selecting the learning text; or selection as the learning text in accordance with at least one generating technique to use a word string from the corpus of the first domain and selection of a text covered by the template as the learning text from the corpus of a second domain differing from the first domain.SELECTED DRAWING: Figure 2A