Smart Diary: the Narrative of Your Daily Life

In this paper, we present Smart Diary, a novel application integrating mobile sensing, activity inference, and natural language processing to facilitate novel knowledge representations of sensor data. Smart Diary records and analyzes a person’s daily life and transcribes those activities into human-readable outputs referred to a diary. Smart Diary makes four key contributions. First, to our best knowledge, Smart Diary is the first attempt to represent human-centric daily life through a narrative process. Second, we propose a lightweight and practical working flow in a bottom-up manner, through which we make inferences and generate diaries. Third, we present two novel models in solving context analysis issues, namely, the sustainable mining model and the narrative structured sentence model. Finally, we develop an accurate and efficient personalization/filtering algorithm in this paper so that the diary is both concise and informative.