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584 results on '"Greenhalgh, Chris"'

1. Zest: REST over ZeroMQ

Author

Moore, John, Arcia-Moret, Andrés, Yadav, Poonam, Mortier, Richard, Brown, Anthony, McAuley, Derek, Crabtree, Andy, Greenhalgh, Chris, Haddadi, Hamed, and Amar, Yousef

Subjects
Computer Science - Distributed, Parallel, and Cluster Computing
Abstract

In this paper, we introduce Zest (REST over ZeroMQ), a middleware technology in support of an Internet of Things (IoT). Our work is influenced by the Constrained Application Protocol (CoAP) but emphasises systems that can support fine-grained access control to both resources and audit information, and can provide features such as asynchronous communication patterns between nodes. We achieve this by using a hybrid approach that combines a RESTful architecture with a variant of a publisher/subscriber topology that has enhanced routing support. The primary motivation for Zest is to provide inter-component communications in the Databox, but it is applicable in other contexts where tight control needs to be maintained over permitted communication patterns.

Published
2019

4. Discomfort—The Dark Side of Fun

Author

Benford, Steve, Greenhalgh, Chris, Giannachi, Gabriella, Walker, Brendan, Marshall, Joe, Tennent, Paul, Rodden, Tom, Tan, Desney, Editor-in-Chief, Vanderdonckt, Jean, Editor-in-Chief, Blythe, Mark, editor, and Monk, Andrew, editor

Published
2018
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6. Developing precision computerised cognitive behavioural therapy (cCBT) for adolescent depression: a pilot and feasibility protocol for the SPARX-UK trial

Author

Khan, Kareem, primary, Hall, Charlotte L, additional, Babbage, Camilla, additional, Dodzo, Stuart, additional, Greenhalgh, Chris, additional, Lucassen, Mathijs, additional, Merry, Sally, additional, Sayal, Kapil, additional, Sprange, Kirsty, additional, Stasiak, Karolina, additional, Tench, Chris R, additional, Townsend, Ellen, additional, Stallard, Paul, additional, and Hollis, Chris, additional

Published
2023
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7. Deus ex Disklavier

Author

Kanga, Zubin, primary, Veinberg, Anne, additional, Kallionpää, Maria, additional, Hazzard, Adrian, additional, Greenhalgh, Chris, additional, and Benford, Steve, additional

Published
2020
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8. Five Provocations for a More Creative TAS

Author

Benford, Steve, primary, Hazzard, Adrian, additional, Vear, Craig, additional, Webb, Helena, additional, Chamberlain, Alan, additional, Greenhalgh, Chris, additional, Ramchurn, Richard, additional, and Marshall, Joe, additional

Published
2023
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11. Inter-Social-Networking: Accounting for Multiple Identities

Author

Price, Dominic, McAuley, Derek, Mortier, Richard, Greenhalgh, Chris, Brown, Michael, Angelopoulos, Spyros, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, and Meiselwitz, Gabriele, editor

Published
2015
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13. Large scale collaborative virtual environments

Author

Greenhalgh, Chris

Subjects
005, QA 75 Electronic computers. Computer science
Abstract

[N.B. Pagination of eThesis differs from printed thesis. The content is identical.] This thesis is concerned with the theory, design, realisation and evaluation of large-scale collaborative virtual environments. These are 3D audio-graphical computer generated environments which actively support collaboration between potentially large numbers of distributed users. The approach taken in this thesis reflects both the sociology of interpersonal communication and the management of communication in distributed systems. The first part of this thesis presents and evaluates MASSIVE-1, a virtual reality tele-conferencing system which implements the spatial model of interaction of Benford and Fahlén. The evaluation of MASSIVE-1 has two components: a user-oriented evaluation of the system’s facilities and the underlying awareness model; and a network-oriented evaluation and modelling of the communication requirements of the system with varying numbers of users. This thesis proposes the “third party object” concept as an extension to the spatial model of interaction. Third party objects can be used to represent the influence of context or environment on interaction and awareness, for example, the effects of boundaries, rooms and crowds. Third party objects can also be used to introduce and manage dynamic aggregates or abstractions within the environments (for example abstract overviews of distant crowds of participants). The third party object concept is prototyped in a second system, MASSIVE-2. MASSIVE-2 is also evaluated in two stages. The first is a user-oriented reflection on the capabilities and effectiveness of the third party concept as realised in the system. The second stage of the evaluation develops a predictive model of total and per-participant network bandwidth requirements for systems of this kind. This is used to analyse a number of design decisions relating to this type of system, including the use of multicasting and the form of communication management adopted.

Published
1997

19. Lessons from Touring a Location-Based Experience

Author

Oppermann, Leif, Flintham, Martin, Reeves, Stuart, Benford, Steve, Greenhalgh, Chris, Marshall, Joe, Adams, Matt, Farr, Ju Row, Tandavanitj, Nick, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Lyons, Kent, editor, Hightower, Jeffrey, editor, and Huang, Elaine M., editor

Published
2011
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25. MASSIVE-2

Author

Greenhalgh, Chris, van Rijsbergen, C. J., editor, and Greenhalgh, Chris

Published
1999
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27. MASSIVE-1

Author

Greenhalgh, Chris, van Rijsbergen, C. J., editor, and Greenhalgh, Chris

Published
1999
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34. Design Challenges and Solutions: Review of the 4th International Workshop on Ubiquitous Computing (iUBICOM 2009)

Author

Halloran, John, Iqbal, Rahat, Aliakseyeu, Dzmitry, Fernando, Martinez, Cooper, Richard, Grzywaczewski, Adam, Grewal, Ratvinder, James, Anne, Greenhalgh, Chris, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, and Sexton, Alan P., editor

Published
2009
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35. ’Guess A Who, Why, Where, When?’: The Visualization of Context Data to Aid the Authoring and Orchestration of a Mobile Pervasive Game

Author

Wright, Michael, Chamberlain, Alan, Greenhalgh, Chris, Benford, Steve, Tandavanitj, Nick, Oldroyd, Amanda, Sutton, Jon, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Meersman, Robert, editor, Tari, Zahir, editor, and Herrero, Pilar, editor

Published
2007
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36. Addressing Mobile Phone Diversity in Ubicomp Experience Development

Author

Greenhalgh, Chris, Benford, Steve, Drozd, Adam, Flintham, Martin, Hampshire, Alastair, Oppermann, Leif, Smith, Keir, von Tycowicz, Christoph, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Krumm, John, editor, Abowd, Gregory D., editor, Seneviratne, Aruna, editor, and Strang, Thomas, editor

Published
2007
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40. Caching OGSI Grid Service Data to Allow Disconnected State Retrieval

Author

Hampshire, Alastair, Greenhalgh, Chris, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Meersman, Robert, editor, Tari, Zahir, editor, and Herrero, Pilar, editor

Published
2005
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41. Contextualised Workflow Execution in MyGrid

Author

Alpdemir, M. Nedim, Mukherjee, Arijit, Paton, Norman W., Fernandes, Alvaro A. A., Watson, Paul, Glover, Kevin, Greenhalgh, Chris, Oinn, Tom, Tipney, Hannah, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Sloot, Peter M. A., editor, Hoekstra, Alfons G., editor, Priol, Thierry, editor, Reinefeld, Alexander, editor, and Bubak, Marian, editor

Published
2005
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42. A Generic Architecture for Sensor Data Integration with the Grid

Author

Humble, Jan, Greenhalgh, Chris, Hamsphire, Alastair, Muller, Henk L., Egglestone, Stefan Rennick, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Herrero, Pilar, editor, Pérez, María S., editor, and Robles, Víctor, editor

Published
2005
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47. CSCP

Author

Benford, Steve, Reynard, Gail, Koleva, Boriana, Greenhalgh, Chris, Fraser, Mike, Herczeg, Michael, editor, Prinz, Wolfgang, editor, and Oberquelle, Horst, editor

Published
2002
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