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28 results on '"Nguyen, Huyen"'

26. An Efficient Signal-Range-Based Probabilistic Key Predistribution Scheme in a Wireless Sensor Network.

Author

Nguyen, Huyen Thi Thanh, Mohsen Guizani, Minho Jo, and Eui-Nam Huh

Subjects
*WIRELESS sensor networks, *PROBABILISTIC automata, *COMPUTER network security, *WIRELESS communications, *DATA transmission systems, *DIGITAL communications, *COMPUTER security, *DATA security, *COMPUTER systems
Abstract

In wireless sensor networks (WSNs), key management is one of the crucial aspects of security. Although existing key management schemes are enough to solve most of the security constraints on WSNs, a random-key predistribution scheme has recently evolved as an efficient solution for sharing keys between sensor nodes. Studying the signal ranges of the sensor nodes might significantly improve the performance of the key-sharing mechanism, but this possibility remains unexploited and needs further attention. Hence, in this paper, we propose a new approach for a probabilistic key predistribution scheme that guarantees a higher probability of sharing keys between nodes that are within the signal range than that of other schemes. As a result, the proposed approach provides adequate security and is expected to minimize the key ring, reduce the communication overhead, and provide high connectivity. We also compare our present scheme with existing algorithms developed for the same purpose and observe that the proposed scheme performed better, even with different deployment errors. [ABSTRACT FROM AUTHOR]

Published
2009
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27. Collaborative Data Analytics Using Virtual Reality

Author

Ulrich Engelke, Tomasz Bednarz, Benjamin Ward, Bruce H. Thomas, Huyen Nguyen, Nguyen, Huyen, Ward, Benjamin, Engelke, Ulrich, Thomas, B, Bednarz, Tomasz, and 26th IEEE Conference on Virtual Reality and 3D User Interfaces, VR 2019 Osaka, Japan 23-27 March 2019

Subjects
Creative visualization, Computer science, business.industry, treemaps, media_common.quotation_subject, 05 social sciences, 020207 software engineering, 02 engineering and technology, Virtual reality, centered computing, Human-centered computing, Plot (graphics), Visualization, Immersive technology, Human–computer interaction, Analytics, 0202 electrical engineering, electronic engineering, information engineering, Data analysis, 0501 psychology and cognitive sciences, human, business, 050107 human factors, media_common
Abstract

Immersive analytics allows a large amount of data and complex structures to be concurrently investigated. We propose a collaborative analytics system that benefits from new advances in immersive technologies for collaborators working in the early stages of data exploration. We implemented a combination of Star Coordinates and Star Plot visualisation techniques to support the visualisation of multidimensional data and the encoding of datasets using simple and compact visual representations. To support data analytics tasks, we propose tools and interaction techniques for users to build decision trees for visualising and analysing data in a top-down method Refereed/Peer-reviewed

Published
2019

28. [POSTER] HoloBee: Augmented Reality Based Bee Drift Analysis

Author

Ulrich Engelke, Paulo de Souza, Bruce H. Thomas, Huyen Nguyen, Sarah Ketchell, Nguyen, Huyen, Ketchell, Sarah, Engelke, Ulrich, Thomas, Bruce, De Souza, Paulo, and 16th Adjunct IEEE International Symposium on Mixed and Augmented Reality, ISMAR-Adjunct 2017 Nantes, France 9-13 October 2017

Subjects
Visual analytics, Geospatial analysis, business.industry, Interface (Java), Computer science, 020207 software engineering, 02 engineering and technology, visual analytics, computer.software_genre, HoloBee, Electronic mail, Data visualization, Command language, Human–computer interaction, 020204 information systems, 0202 electrical engineering, electronic engineering, information engineering, Information system, Augmented reality, bee behaviour, business, computer
Abstract

In this paper, we introduce HoloBee, a visual analytics system that enables end users to analyse bee drift data using HoloLens as a head mounted augmented reality interface. HoloBee was designed to allow for interactive exploration of bee behaviour and specifically bee drift: the phenomenon of a bee leaving a hive and returning to another hive. For exploration in the bees' natural environment, bee drift is visualised as arcs connecting bee hives positioned in 3D geospatial maps. We describe in detail the design aspects of HoloBee, including command language, system feedback, and information display. We discuss the unique capabilities and limitations of the HoloLens as a guide to other researchers who intend to use it for visual analytics of spatio-temporal scientific data. Refereed/Peer-reviewed

Published
2017

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