Proceedings of the ACM on

Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT)

Latest Articles

Up to a Limit?: Privacy Concerns of Bystanders and Their Willingness to Share Additional Information with Visually Impaired Users of Assistive Technologies

The emergence of augmented reality and computer vision based tools offer new opportunities to visually impaired persons (VIPs). Solutions that help VIPs in social interactions by providing information (age, gender, attire, expressions etc.) about people in the vicinity are becoming available. Although such assistive technologies are already... (more)

I Can't Be Myself: Effects of Wearable Cameras on the Capture of Authentic Behavior in the Wild

Wearable sensors can provide reliable, automated measures of health behaviors in free-living populations. However, validation of these measures is impossible without observable confirmation of behaviors. Participants have expressed discomfort during the use of ego-centric wearable cameras with first-person view. We argue that mounting the camera on... (more)

Understanding the Long-Term Use of Smart Speaker Assistants

Over the past two years the Ubicomp vision of ambient voice assistants, in the form of smart speakers such as the Amazon Echo and Google Home, has... (more)

Auracle: Detecting Eating Episodes with an Ear-mounted Sensor

In this paper, we propose Auracle, a wearable earpiece that can automatically recognize eating behavior. More specifically, in free-living conditions, we can recognize when and for how long a person is eating. Using an off-the-shelf contact microphone placed behind the ear, Auracle captures the... (more)

Sprintz: Time Series Compression for the Internet of Things

Thanks to the rapid proliferation of connected devices, sensor-generated time series constitute a large and growing portion of the world's data. Often, this data is collected from distributed, resource-constrained devices and centralized at one or more servers. A key challenge in this setup is reducing the size of the transmitted data without... (more)

FingerReader2.0: Designing and Evaluating a Wearable Finger-Worn Camera to Assist People with Visual Impairments while Shopping

People with Visual Impairments (PVI) experience greater difficulties with daily tasks, such as supermarket shopping. Identifying and purchasing an item proves challenging for PVI. Using a user-centered design process, we understand the difficulties PVI encounter in their daily routines. Consequently, the previous FingerReader model was elevated to... (more)

Controlling Fine-Grain Sharing in Natural Language with a Virtual Assistant

This paper proposes a novel approach to let consumers share data from their existing web accounts and devices easily, securely, and with fine... (more)

Naptics: Convenient and Continuous Blood Pressure Monitoring during Sleep

Normal circadian rhythm mediates blood pressure during sleep, decreasing in value in healthy subjects. Current methods to monitor nocturnal blood pressure use an active blood pressure cuff that repeatedly auto-inflates while the subject sleeps. Since these inflations happen in intervals of thirty minutes to one hour, they cause considerable sleep... (more)

ID'em: Inductive Sensing for Embedding and Extracting Information in Robust Materials

We present ID'em, a novel tagging and localization method that employs an array of Inductive Sensors to 'image' patterns of electrically conductive dots that are embedded underneath the surfaces of materials that cover the environments that we inhabit. ID'em addresses drawbacks found with existing tagging/localization technologies, while drawing on... (more)

SleepGuard: Capturing Rich Sleep Information Using Smartwatch Sensing Data

Sleep is an important part of our daily routine -- we spend about one-third of our time doing it. By tracking sleep-related events and activities, sleep monitoring provides decision support to help us understand sleep quality and causes of poor sleep. Wearable devices provide a new way for sleep monitoring, allowing us to monitor sleep from the... (more)

ParkLoc: Light-weight Graph-based Vehicular Localization in Parking Garages

Locating a vehicle indoors (e.g., underground parking garages) has been a difficult problem to tackle, due to the unavailability of GPS and/or Wi-Fi signals. Current GPS-free indoor localization efforts often rely on infrastructure supports such as Wi-Fi or BLE beacons, whereas the smartphone-only proposals mostly require significant data... (more)

The Role of Urban Mobility in Retail Business Survival

Economic and urban planning agencies have strong interest in tackling the hard problem of predicting the odds of survival of individual retail... (more)


Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT) is a premier journal for research relevant to the post-PC era. Computing technology is becoming increasingly pervasive; embedded throughout the environment as well as in mobile devices, wearables, and the Internet of Things. This is leading to a transformative change in the utility that technology can provide to users and societies, and how people relate to technology. IMWUT covers a broad range of topics relevant to this change, such as mobile systems, wearable technologies, and intelligent environments. The scope includes research contributions in systems and infrastructures, new hardware and sensing techniques, and studies of user experiences and societal impact. IMWUT also welcomes contributions on new methodologies and tools, theories and models, as well as visionary and survey papers that help advance the field.

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