Recommender system for responsive engagement of senior adults in daily activities

Igor Kulev (Corresponding author), Carlijn A.L. Valk, Yuan Lu, Pearl Pu

Research output: Contribution to journalArticleAcademicpeer-review


Understanding and predicting how people change their behavior after an intervention from time series data is an important task for health recommender systems. This task is especially challenging when the time series data is frequently sampled. In this paper, we develop and propose a novel recommender system that aims to promote physical activeness in elderly people. The main novelty of our recommender system is that it learns how senior adults with different lifestyle change their activeness after a digital health intervention from minute-by-minute fitness data in an automated way. We trained the system and validated the recommendations using data from senior adults. We demonstrated that the low-level information contained in time series data is an important predictor of behavior change. The insights generated by our recommender system could help senior adults to engage more in daily activities.
Original languageEnglish
Pages (from-to)167-185
JournalJournal of Population Ageing
Issue number2
Early online date6 Feb 2020
Publication statusPublished - Jun 2020


  • behavior change
  • predictive modeling
  • recommender system
  • representation learning


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