Gary J. Nutt. (1995, December). Model-Based Virtual Environments for Collaboration. University of Colorado, Department of Computer Science Technical Report No. CU-CS-800-95.  Home/Search   Document Details and Download   Summary   Related Articles   Check

....objects change their state frequently, though other office objects do not tend to change at all. Scenario D: Model Based Virtual Environment. Elsewhere we have described model based virtual environments as collaborative environments containing a model to provide context for the collaboration [Nutt95] [Nutt97] In these systems, multiple workers interact with one another and with isolated parts of a larger artifact (a shared model of work, software methodology, etc. In this scenario, an avatar may interact with many different components at a relatively high rate, but these pair wise ....

Nutt, Gary J., "Model-Based Virtual Environments for Collaboration," University of Colorado, Department of Computer Science Technical Report No. CU-CS-800-95, December, 1995.

....environments in that it is designed to be extended with domain specific tools that provide additional application support for the specific problem being addressed by a VPR session. For example, a formal workflow process modeling system can be embedded in the VPR to focus on group coordination [25]. A VPR session is defined by a set of artifacts. An artifact may be as simple as a wall in a room or as complex as a real time representation of a teleoperated vehicle (including the video stream its videocamera is capturing) When a user logs into a VPR session, his her presence is represented ....

Gary J. Nutt. Model-based virtual environments for collaboration. Technical Report CUCS -799-95, Department of Computer Science, University of Colorado, Boulder, December 1995.

....a rich social model among the collaborators. Our conjecture is consistent with the rationale for any electronic meeting room or virtual environment study. An Experimental Model Based Virtual Environment. The Model Based Virtual Environment (MBVE) is a virtual environment to support extended ICNs [79, 80]. The 30 rationale for extended ICNs is described in Section 4; we can summarize our approach by noting that besides the addition of goal nodes, we expect the language to identify regions in the 3 space model of Figure 7 in which the corresponding steps should be executed. The basis of the ....

Gary J. Nutt. Model-based virtual environments for collaboration. Technical Report CU-CS-79995, Department of Computer Science, University of Colorado, Boulder, December 1995.

....not provide the part of the mechanism to perform an analysis and then select execution levels based on that analysis. The DQM mechanism performs that function. As an example, consider an analysis of execution levels in our prototype distributed virtual environment, the Virtual Planning Room (VPR) [16][17] The VPR supports synchronous and asynchronous distributed collaboration, thus it provides an example of a complex multimedia based application exhibiting natural execution levels. Table 1 shows the CPU requirements for rendering in a VPR application using different rendering parameters. The ....

G. Nutt. Model-Based Virtual Environments for Collaboration. Technical Report CU-CD-799-95, Department of Computer Science, University of Colorado at Boulder, December 1995.

....hear. Activity takes place in the world when objects interact with one another. Domain specific tools are added to the VPR by incorporating additional objects having complex behavior. For example, a formal workflow process modeling system can be embedded in the VPR to focus on group coordination [29]. The fundamental role of the VPR is to to provide real time audio and video support across the network, to render objects on each user s screen (according to the avatar s orientation) and to provide an environment in which to add domain specific extensions. The VPR is a client server system ....

Gary J. Nutt. Model-based virtual environments for collaboration. Technical Report CU-CS-79995, Department of Computer Science, University of Colorado, Boulder, December 1995.

.... In another paper, we argue that model based virtual environments (MBVEs) are especially well suited to CSCW work because they provide a framework in which the group can capture the structured parts of their work, yet still have a high bandwidth mechanism for formal and informal communication [24]. Like conventional electronic meeting rooms and virtual environments, MBVEs are compute and I O intensive distributed systems; besides their inherent functionality requirements, reasonable system performance is a prerequisite to their success. This working paper describes our organization for ....

Gary J. Nutt. Model-based virtual environments for collaboration. Technical Report CU-CS799 -95, Department of Computer Science, University of Colorado, Boulder, December 1995.

....to have its domain independent tools be extended with domain specific tools that provide additional application support for the specific problem being addressed by a VPR session. For example, a formal workflow process modeling system can be embedded in the VPR to focus on group coordination [12]. The system hardware provides a limited set of capabilities to the operating system, which are delivered to the VPR. The VPR supports applications by providing real time audio and video support, which includes the rendering of objects, and assists in applications use of system resources. The ....

Gary J. Nutt. Model-based virtual environments for collaboration. Technical Report CU-CS-799-95, Department of Computer Science, University of Colorado, Boulder, December 1995.

....environments in that it is designed to be extended with domain specific tools that provide additional application support for the specific problem being addressed by a VPR session. For example, a formal workflow process modeling system can be embedded in the VPR to focus on group coordination [21]. A VPR session is defined by a set of artifacts. An artifact may be as simple as a wall in a room or as complex as a real time representation of a teleoperated vehicle (including the video stream its videocamera is capturing) When a user logs into a VPR session, his her presence is represented ....

Gary J. Nutt. Model-based virtual environments for collaboration. Technical Report CU-CS-799-95, Department of Computer Science, University of Colorado, Boulder, December 1995.

....virtual environment (VE) supporting free form communication in a manner similar to electronic meeting rooms [7, 23] and other virtual environments [1, 3, 5] It differs from most other virtual environments in that it is designed to be extended with domain specific tools. For example, in [17] we describe how a formal workflow process modeling system can be embedded in the VPR to focus on group coordination. We are also currently building agent based software to extend the VPR so that a group can navigate and control a blimp with its own onboard computer, navigation equipment, and ....

Gary J. Nutt. Model-based virtual environments for collaboration. Technical Report CU-CS-799-95, Department of Computer Science, University of Colorado, Boulder, December 1995.

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Gary J. Nutt. (1995, December). Model-Based Virtual Environments for Collaboration. University of Colorado, Department of Computer Science Technical Report No. CU-CS-800-95.

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