To provide a technique for increasing accuracy of predicting an onset of a disease in a person whose biological data is to be measured.SOLUTION: A data processing device includes: an acquisition unit for acquiring first biological data related to a first person to be measured； a retrieval unit for retrieving second biological data related to a second person to be measured, the degree of similarity of the second biological data with a progress with respect to the time course of the first biological data satisfying a first condition； and a prediction unit for predicting the onset of a specific disease in the first person to be measured, on the basis of information indicating the onset of the specific disease in the second person to be measured associated with the second biological data.SELECTED DRAWING: Figure 1【課題】生体データの被測定者における疾患の発症の予測精度を上げる技術を提供することができる。【解決手段】データ処理装置は、第１の被測定者に関連する第１の生体データを取得する取得部と、前記第１の生体データの時間経過に対する推移との類似度が第１の条件を満たす第２の被測定者に関連する第２の生体データを検索する検索部と、前記第２の生体データに関連付けられている前記第２の被測定者における特定の疾患の発症を示す情報に基づいて、前記第１の被測定者における前記特定の疾患の発症を予測する予測部とを備える。【選択図】図１
