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My smartphone knows i am hungry

Published: 11 June 2014 Publication History

Abstract

Can a smartphone learn our eating habits without the user being in the loop? Clearly, the phone could use checkins based on location to infer that if you were in a cafe, for example, there is a good possibility you might eat or drink something. In this paper, we use inferred behavioral data and location history to predict if you are going to eat or not in the near future. These predictors could serve as a basis for future eating trackers that work unobtrusively in the background of your phone rather than relying on burdensome user input. In this paper, we report on a simple model that predicts the food purchases of a group of undergraduate college students (N=25) using inferred behavioral and location data from smartphones. The 10-week study uses the dining related purchase records from student college cards as ground-truth to validate our prediction model. Initial results show that we can predict food and drink purchases with an accuracy of 74% using three weeks of training data.

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    cover image ACM Conferences
    WPA '14: Proceedings of the 2014 workshop on physical analytics
    June 2014
    54 pages
    ISBN:9781450328258
    DOI:10.1145/2611264
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Published: 11 June 2014

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    Author Tags

    1. food purchase
    2. human behavior dynamics
    3. smartphone sensing.

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    WPA '14 Paper Acceptance Rate 6 of 8 submissions, 75%;
    Overall Acceptance Rate 11 of 17 submissions, 65%

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