Background Long-term conditions and their concomitant management place considerable
pressure on patients, communities, and health care systems worldwide. International clinical …

Personal informatics (PI) systems allow users to collect and review personally relevant
information. The purpose commonly envisioned for these systems is that they provide users …

We describe the multi-layer temporal network which connects a population of more than 700
university students over a period of four weeks. The dataset was collected via smartphones …

This paper describes the deployment of a large-scale study designed to measure human
interactions across a variety of communication channels, with high temporal resolution and …

Self-monitoring is a strategy that patients use to manage their chronic disease and chronic
disease risk factors. Technological advances such as mobile apps, web-based tracking …

Background Self-quantification (SQ) is a way of working in which, by using tracking tools,
people aim to collect, manage, and reflect on personal health data to gain a better …

In this paper we discuss how to facilitate the process of reflection in Personal Informatics and
Quantified Self systems through interactive data visualizations. Four heuristics for the design …

Social interaction is a crucial part of what it means to be human. Maintaining a healthy social
life is strongly tied to positive outcomes for both physical and mental health. While we use …

Web browsing is an essential component of creativity, productivity, and recreation, but users
may fall into undesired patterns if they do not realize their habits. Because reflection has …

Dramatic advances in sensor and computing miniaturization for personal data collection are
making Personal Informatics (PI) tools a reality. Yet, advances in data collection have not …