From the latest topic keywords related to a described dairy, cooccurrence words of the topic keywords are obtained by dividing the cooccurrence words into dynamic cooccurrence words showing sudden and remarkable rage and static cooccurrence words being widely and generally used for a long period of time, and it is determined whether the dairy is described about topical news on the basis of contrast between degrees of association with the dairy of both cooccurrence words.例文帳に追加

記述された日記に関連する最新の話題キーワードから、当該話題キーワードの共起語を突発的且つ顕著な流行を示した動的な共起語と長期に亘って広く一般的に用いられている静的な共起語に区分して取得し、双方の共起語と当該日記との関連度の対比に基づいて当該日記が時事ニュースについて記述されたものか否かを判定する。 - 特許庁