Bilingual dictionary creating apparatus, bilingual dictionary creating method and computer program

摘要

According to the present invention, there is provided a bilingual dictionary creating apparatus 100 , a bilingual dictionary creating method and a computer program. The bilingual dictionary creating apparatus 100 creates a new bilingual dictionary by using a bilingual corpus including plural pairs of strings shown in both a source language and a target language and using an existing bilingual dictionary. The bilingual dictionary creating apparatus 100 includes: a fragment pair creating section 130 for creating a fragment pair by deleting a translation pair registered in the existing bilingual dictionary from the pairs of strings; a fragment pair saving section 140 for saving the fragment pair and the number of appearances of the fragment pair in the bilingual corpus counted; and a fragment pair extracting section 160 for extracting the fragment pair having the number of appearances with a threshold or more to create a dictionary-registration candidate translation pair.