Smartphones can unobtrusively capture human behavior and contextual data such as user
interaction and mobility. Thus far, smartphone sensor data have primarily been used to gain …

Notifications are one of the core functionalities of smartphones. Previous research suggests
they can be a major disruption to the professional and private lives of users. This paper …

With the popularization of low-cost mobile and wearable sensors, several studies have used
them to track and analyze mental well-being, productivity, and behavioral patterns. However …

Increasing number of researchers and designers are envisioning a wide range of novel
proactive conversational services for smart speakers such as context-aware reminders and …

Today's information and communication devices provide always-on connectivity, instant
access to an endless repository of information, and represent the most direct point of contact …

Virtual reality (VR) has increasingly been used in many areas, and the need to deliver
notifications in VR is also expected to increase accordingly. However, untimely interruptions …

Decision trees and random forests are widely used classifiers in machine learning. Service
providers often host classification models in a cloud service and provide an interface for …

A critical aspect of mobile just-in-time (JIT) health intervention is proper delivery timing,
which correlates with successfully promoting target behaviors. Despite extensive prior …

The smartphone has become an integral part of adolescents' daily life. Despite the countless
affordances of smartphones, concerns have been raised about their enormous potential to …

Voice assistants, such as Amazon's Alexa and Google Home, increasingly find their way into
consumer homes. Their functionality, however, is currently limited to being passive answer …