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- short-paperJune 2024
How a Vertical Surface Supports Cross-Reality Transitional Interface Tasks at Different Virtuality Levels
AVI '24: Proceedings of the 2024 International Conference on Advanced Visual InterfacesArticle No.: 23, Pages 1–5https://doi.org/10.1145/3656650.3656762Cross-Reality Transitional Interfaces support tasks that require interactions at different levels of virtuality. However, there is little knowledge on how such capabilities can be scaled on vertical and life-sized surfaces, by offering haptic feedback, ...
The Adaptive Architectural Layout: How the Control of a Semi-Autonomous Mobile Robotic Partition was Shared to Mediate the Environmental Demands and Resources of an Open-Plan Office
CHI '24: Proceedings of the 2024 CHI Conference on Human Factors in Computing SystemsArticle No.: 590, Pages 1–20https://doi.org/10.1145/3613904.3642465A typical open-plan office layout is unable to optimally host multiple collocated work activities, personal needs, and situational events, as its space exerts a range of environmental demands on workers in terms of maintaining their acoustic, visual or ...
- research-articleOctober 2023
Development of a data-driven digital phenotype profile of distress experience of healthcare workers during COVID-19 pandemic
- Binh Nguyen,
- Andrei Torres,
- Caroline W. Espinola,
- Walter Sim,
- Deborah Kenny,
- Douglas M. Campbell,
- Wendy Lou,
- Bill Kapralos,
- Lindsay Beavers,
- Elizabeth Peter,
- Adam Dubrowski,
- Sridhar Krishnan,
- Venkat Bhat
Computer Methods and Programs in Biomedicine (CBIO), Volume 240, Issue Chttps://doi.org/10.1016/j.cmpb.2023.107645Highlights- Pilot study data from digital technology is feasible to evaluate stress experience.
- Mean of respiration and skin conductance in top features to identify stress experience.
- Individual models for n = 15 to achieve an average accuracy ...
Background and objective:Due to the constraints of the COVID-19 pandemic, healthcare workers have reported acting in ways that are contrary to their moral values, and this may result in moral distress. This paper proposes the novel digital ...
- research-articleMay 2023JUST ACCEPTED
Exploring Graph-based Transformer Encoder for Low-Resource Neural Machine Translation
ACM Transactions on Asian and Low-Resource Language Information Processing (TALLIP), Just Accepted https://doi.org/10.1145/3599969The Transformer is commonly used in Neural Machine Translation (NMT), but it faces issues with over-parameterization in low-resource settings. This means that simply increasing the model parameters significantly will not lead to improved performance. In ...
- research-articleApril 2023
Engaging Passers-by with Rhythm: Applying Feedforward Learning to a Xylophonic Media Architecture Facade
CHI '23: Proceedings of the 2023 CHI Conference on Human Factors in Computing SystemsArticle No.: 182, Pages 1–21https://doi.org/10.1145/3544548.3580761Media architecture exploits interactive technology to encourage passers-by to engage with an architectural environment. Whereas most media architecture installations focus on visual stimulation, we developed a permanent media facade that rhythmically ...
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- research-articleNovember 2022
Towards Responsive Architecture that Mediates Place: Recommendations on How and When an Autonomously Moving Robotic Wall Should Adapt a Spatial Layout
Proceedings of the ACM on Human-Computer Interaction (PACMHCI), Volume 6, Issue CSCW2Article No.: 467, Pages 1–27https://doi.org/10.1145/3555568Responsive architecture envisions the built environment to adapt to the changing needs of its occupants dynamically. Although it is increasingly feasible to move space-defining objects like room dividers by mobile robots, little is known about how or ...
- research-articleJanuary 2022
PhraseAttn: Dynamic Slot Capsule Networks for phrase representation in Neural Machine Translation
Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology (JIFS), Volume 42, Issue 4Pages 3871–3878https://doi.org/10.3233/JIFS-212101Word representation plays a vital role in most Natural Language Processing systems, especially for Neural Machine Translation. It tends to capture semantic and similarity between individual words well, but struggle to represent the meaning of phrases or ...
- research-articleMarch 2021
Exploring an Architectural Framework for Human-Building Interaction via a Semi-Immersive Cross-Reality Methodology
HRI '21: Proceedings of the 2021 ACM/IEEE International Conference on Human-Robot InteractionPages 252–261https://doi.org/10.1145/3434073.3444643The vision of responsive architecture predicts that human experience can be evoked through the dynamic orchestration of space-defining elements. Whereas recent studies have robotically actuated furniture for functional goals, little is known how this ...
- research-articleJanuary 2019
Investigating the effects of lossy compression on age, gender and alcoholic information in EEG signals
Procedia Computer Science (PROCS), Volume 159, Issue CPages 231–240https://doi.org/10.1016/j.procs.2019.09.178AbstractThe age and gender information extracted from Electroencephalogram (EEG) has been used in various applications which are allocating a person to age and gender groups, identifying or authenticating a person and improving brain-computer interface ...
- research-articleOctober 2018
ECHO: A Reliable Distributed Cellular Core Network for Hyper-scale Public Clouds
- Binh Nguyen,
- Tian Zhang,
- Bozidar Radunovic,
- Ryan Stutsman,
- Thomas Karagiannis,
- Jakub Kocur,
- Jacobus Van der Merwe
MobiCom '18: Proceedings of the 24th Annual International Conference on Mobile Computing and NetworkingPages 163–178https://doi.org/10.1145/3241539.3241564Economies of scale associated with hyper-scale public cloud platforms offer flexibility and cost-effectiveness, resulting in various services and businesses moving to the cloud. One area with little progress in this direction is cellular core networks. ...
- research-articleApril 2018
Hyperledger fabric: a distributed operating system for permissioned blockchains
- Elli Androulaki,
- Artem Barger,
- Vita Bortnikov,
- Christian Cachin,
- Konstantinos Christidis,
- Angelo De Caro,
- David Enyeart,
- Christopher Ferris,
- Gennady Laventman,
- Yacov Manevich,
- Srinivasan Muralidharan,
- Chet Murthy,
- Binh Nguyen,
- Manish Sethi,
- Gari Singh,
- Keith Smith,
- Alessandro Sorniotti,
- Chrysoula Stathakopoulou,
- Marko Vukolić,
- Sharon Weed Cocco,
- Jason Yellick
EuroSys '18: Proceedings of the Thirteenth EuroSys ConferenceArticle No.: 30, Pages 1–15https://doi.org/10.1145/3190508.3190538Fabric is a modular and extensible open-source system for deploying and operating permissioned blockchains and one of the Hyperledger projects hosted by the Linux Foundation (www.hyperledger.org).
Fabric is the first truly extensible blockchain system ...
- research-articleJanuary 2018
A Study of Combined Lossy Compression and Seizure Detection on Epileptic EEG Signals
Procedia Computer Science (PROCS), Volume 126, Issue CPages 156–165https://doi.org/10.1016/j.procs.2018.07.219AbstractElectroencephalogram (EEG) has been widely used in diagnosing and detecting epileptic seizure. Large epileptic EEG databases have been built, the use of EEG compression is therefore becoming necessary. Epilepsy causes a change on EEG ...
- research-articleMay 2017
SIMECA: SDN-based IoT Mobile Edge Cloud Architecture
2017 IFIP/IEEE Symposium on Integrated Network and Service Management (IM)Pages 503–509https://doi.org/10.23919/INM.2017.7987319In future mobile networks, e.g., 5G, emerging IoT services are expected to support billions of IoT devices with unique characteristics and traffic patterns. In this paper we propose an SDN-based IoT Mobile Edge Cloud Architecture (SIMECA<sup>1</sup>) ...
- demonstrationOctober 2016
Repeatable mobile networking research with phantomNet: demo
- Junguk Cho,
- Jonathan Duerig,
- Eric Eide,
- Binh Nguyen,
- Robert Ricci,
- Aisha Syed,
- Jacobus Van der Merwe,
- Kirk Webb,
- Gary Wong
MobiCom '16: Proceedings of the 22nd Annual International Conference on Mobile Computing and NetworkingPages 489–490https://doi.org/10.1145/2973750.2985616We will demonstrate features and capabilities of the PhantomNet testbed. PhantomNet is a mobile testbed, at the University of Utah, aimed at enabling a broad range of mobile networking related research. PhantomNet is remotely accessible and open to the ...
- research-articleSeptember 2015
ABSENCE: Usage-based Failure Detection in Mobile Networks
MobiCom '15: Proceedings of the 21st Annual International Conference on Mobile Computing and NetworkingPages 464–476https://doi.org/10.1145/2789168.2790127We present our proposed ABSENCE system which detects service disruptions in mobile networks using aggregated customer usage data. ABSENCE monitors aggregated customer usage to detect when aggregated usage is lower than expected in a given geographic ...
- columnAugust 2015
PhantomNet: Research Infrastructure for Mobile Networking, Cloud Computing and Software-Defined Networking
- Arijit Banerjee,
- Junguk Cho,
- Eric Eide,
- Jonathon Duerig,
- Binh Nguyen,
- Robert Ricci,
- Jacobus Van der Merwe,
- Kirk Webb,
- Gary Wong
GetMobile: Mobile Computing and Communications (SIGMOBILE-GETMOBILE), Volume 19, Issue 2Pages 28–33https://doi.org/10.1145/2817761.2817772The PhantomNet facility allows experimenters to combine mobile networking, cloud computing and software-defined networking in a single environment. It is an end-to-end testbed, meaning that it supports experiments not just with mobile end-user devices ...
- research-articleJune 2015
Efficient, adaptive and scalable device activation for M2M communications
2015 12th Annual IEEE International Conference on Sensing, Communication, and Networking (SECON)Pages 399–407https://doi.org/10.1109/SAHCN.2015.7338340When traffic arrives from the network for an idled mobile device, the network executes device activation procedures to wake the device up. Current device activation mechanisms are ill suited to support the expected growth of machine-to-machine (M2M) ...
- research-articleAugust 2014
SMORE: software-defined networking mobile offloading architecture
AllThingsCellular '14: Proceedings of the 4th workshop on All things cellular: operations, applications, & challengesPages 21–26https://doi.org/10.1145/2627585.2627595We present our Software-defined network Mobile Offloading aRchitecturE (SMORE). SMORE realizes traffic offloading in mobile networks without requiring any changes to the functionality of existing mobile network nodes. At the same time, it is fully aware ...
- research-articleAugust 2014
Towards understanding TCP performance on LTE/EPC mobile networks
- Binh Nguyen,
- Arijit Banerjee,
- Vijay Gopalakrishnan,
- Sneha Kasera,
- Seungjoon Lee,
- Aman Shaikh,
- Jacobus Van der Merwe
AllThingsCellular '14: Proceedings of the 4th workshop on All things cellular: operations, applications, & challengesPages 41–46https://doi.org/10.1145/2627585.2627594The popularity of smartphones and smartphone applications means that data is the dominant traffic type in current mobile networks. In this paper we present our work on a systematic investigation into facets of the LTE/EPC architecture that impact the ...
- doctoral_thesisJanuary 2011
Locally non-convex contact models and solution methods for accurate physical simulation in robotics
In recent years, physical simulation has been becoming increasingly popular. In robotics, new designs of robots, new autonomous multi-robots motion planning, as well as new grasping strategies can be easily tested on computer thanks to physical ...