GROUPKIT A Groupware Toolkit for Building Real-Time Conferencing Applications

Roseman, Mark; Greenberg, Saul

doi:10.1016/b978-0-08-051574-8.50040-6

Cited by 43 publications

(55 citation statements)

References 19 publications

(9 reference statements)

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“…This architecture is in contrast to, for example, GroupKit [18], which is based around monolithic applications. GroupKit provides substantial communication primitives and shared information mechanisms, which greatly reduce the initial development of an application and provide greater development simplicity.…”

Section: The Thyme Frameworkmentioning

confidence: 99%

Building Groupware on THYME

Landsman¹,

Alterman²

2006

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Abstract. The study of collaboration within a community of users, as it is mediated by a computer application, requires the construction of groupware applications to mediate the collaboration. It also requires the capability to analyze the collaboration as it is mediated by the computer application. As the understanding of collaboration within a group unfolds, ideally, the application can be quickly adopted to fit the changing requirements of the group. Whereas existing toolkits for building groupware applications provide support for building production-level groupware, they do not provide the mechanism for analysis and rapid development of new applications, which is necessary for the study of collaboration. This paper presents an engineering methodology and a set of key requirements for building groupware applications that enable the analysis of collaboration as mediated by these applications. We describe the THYME framework and show how it can help groupware developers to build applications rapidly and successfully. We also detail how a one semester Human Computer Interaction class used the THYME framework to construct synchronous groupware applications in a short amount of time and with great success.

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Section: The Thyme Frameworkmentioning

confidence: 99%

Building Groupware on THYME

Landsman¹,

Alterman²

2006

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“…He discussed some floor control mechanisms implemented in the view-sharing applications and showed as an example that explicitly managing (or designing) turn-taking floor control with viewsharing (of full screen) applications in a windowed environment is difficult without disturbing the shared view to explicitly activate floor control from user's perspective because there is no room to display information about current state of the floor in the shared full screen. Also, GroupKit [18,28] provides participants in collaboration with flexible floor control mechanisms -preemptive floor control scheme and ring-passing scheme. The preemptive floor control scheme means that a user can immediately grab the floor from the current floor holder.…”

Section: Related Workmentioning

confidence: 99%

Modeling, simulation, and practice of floor control for synchronous and ubiquitous collaboration

Kim

Fox

2010

Multimed Tools Appl

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With the advances in a variety of software/hardware technologies and wireless networking, there is coming a need for ubiquitous collaboration which allows people to access information systems independent of their access device and their physical capabilities and to communicate with other people in anytime and anywhere. Current virtual conferencing systems lack support for ubiquitous collaboration. As the number of collaborators with a large number of disparate access devices increases, mechanisms for dealing with consistency in an application shared among collaborators will have to be considered in an unambiguous manner. In this paper we address issues related in building a framework for synchronous and ubiquitous collaboration. First, to make ubiquitous collaboration more promising, we briefly present a framework built on heterogeneous (wire, wireless) computing environment and a set of session protocols defined in XML to provide a generic solution for controlling sessions and participants' presences in collaboration. Second, to provide a solution for maintaining shared state consistency at application level, we present a floor control mechanism which coordinates activities occurred in synchronously cooperating applications being shared among collaborators. The mechanism with strict conflict avoidance and non-optimistic locking strategy allows all participants to have the same views and data at all times. Finally, we show modeling of XGSP-Floor control mechanism and formal verification to prove the correctness of the modeled control mechanism.

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“…Its functional core, which maintains the data base of users, is an active data structure implemented as a GroupKit environment (Roseman, 1992). The Interaction and the Presentation components host the modality interpreters: the speech recognition system (ViaVoice from IBM), the computer vision tracker, and the graphical abstract machine Tk.…”

Section: Technical Aspects: Comedi Is a Concept Demonstratormentioning

confidence: 99%

Early experience with the mediaspace CoMedi

Coutaz¹,

Bérard²,

Carraux³

et al. 1999

Engineering for Human-Computer Interaction

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Abstract:Mediaspaces have been designed to facilitate informal communication and support group awareness while assuring privacy protection. However, low bandwidth communication is a source of undesirable discontinuities in such systems, resulting in a loss of peripheral awareness. In addition, privacy is often implemented as an accessibility matrix coupled to an all-or-nothing exposure of personal state. In this article, we describe CoMedi, a mediaspace prototype that addresses the problem of discontinuity and pri vacy in an original way: computer vision and speech recognition are used in conjunction to minimize visual discontinuities while supporting free movements in a room. Publication filters maintain privacy at the desired level of transparency.

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GROUPKIT A Groupware Toolkit for Building Real-Time Conferencing Applications

Abstract: Third, open protocols allow the groupware designer to create a wide range of interface and interaction policies, accommodating group differences in areas such as conference registration and floor control.

Cited by 43 publications

References 19 publications

Building Groupware on THYME

Building Groupware on THYME

Modeling, simulation, and practice of floor control for synchronous and ubiquitous collaboration

Early experience with the mediaspace CoMedi

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