NATURAL LANGUAGE PROCESSING APPARATUS AND PROGRAM

The present invention finds a word segmentation vector of a classification word that collectively represents the purpose of a sentence associated with the classification word. A natural language processing apparatus includes: a first calculation unit configured to calculate a distributed vector of a word included in a plurality of sentences based on a database that manages the plurality of sentences associated with a classification word; a second calculation unit configured to calculate a distributed vector of the sentence based on the distributed vector of the word included in each sentence; and a third calculation unit configured to calculate a distributed vector of the classification word based on the distributed vector of each sentence associated with the same classification word. 本发明求出总括地表示与分类词相关联的句子的意旨的分类词的分词向量。自然语言处理装置包括：第1计算部，其对于管理与分类词相关联的多个句子的数据库，计算所述多个句子中所含的单词的分词向量；第2计算部，其基于各句子中所含的单词的分词向量，计算该句子的分词向量；和第3计算部，其基于与相同分类词相关联的各句子的分词向量，计算该分类词的分词向量。