WYSIWIS revised: early experiences with multiuser interfaces
ACM Transactions on Information Systems (TOIS)
Sharing views and interactions with single-user applications
COCS '90 Proceedings of the ACM SIGOIS and IEEE CS TC-OA conference on Office information systems
Real time groupware as a distributed system: concurrency control and its effect on the interface
CSCW '94 Proceedings of the 1994 ACM conference on Computer supported cooperative work
SIGCOMM '95 Proceedings of the conference on Applications, technologies, architectures, and protocols for computer communication
Coloured Petri nets (2nd ed.): basic concepts, analysis methods and practical use: volume 1
Coloured Petri nets (2nd ed.): basic concepts, analysis methods and practical use: volume 1
Floor control for multimedia conferencing and collaboration
Multimedia Systems
Flexible conflict detection and management in collaborative applications
Proceedings of the 10th annual ACM symposium on User interface software and technology
Floor control for large-scale MBone seminars
MULTIMEDIA '97 Proceedings of the fifth ACM international conference on Multimedia
Operational transformation in real-time group editors: issues, algorithms, and achievements
CSCW '98 Proceedings of the 1998 ACM conference on Computer supported cooperative work
Challenges: an application model for pervasive computing
MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
The Event Heap: A Coordination Infrastructure for Interactive Workspaces
WMCSA '02 Proceedings of the Fourth IEEE Workshop on Mobile Computing Systems and Applications
Mobile Computing Principles: Designing and Developing Mobile Applications with UML and XML
Mobile Computing Principles: Designing and Developing Mobile Applications with UML and XML
Beyond "social protocols": multi-user coordination policies for co-located groupware
CSCW '04 Proceedings of the 2004 ACM conference on Computer supported cooperative work
The Anatomy of the Grid: Enabling Scalable Virtual Organizations
International Journal of High Performance Computing Applications
Design and implementation of a collaboration web-services system
Neural, Parallel & Scientific Computations - Special issue: Grid computing
Role-based control of shared application views
Proceedings of the 18th annual ACM symposium on User interface software and technology
Message-based mvc architecture for distributed and desktop applications
Message-based mvc architecture for distributed and desktop applications
Personalizable groupware: accommodating individual roles and group differences
ECSCW'91 Proceedings of the second conference on European Conference on Computer-Supported Cooperative Work
On the Creation & Discovery of Topics in Distributed Publish/Subscribe Systems
GRID '05 Proceedings of the 6th IEEE/ACM International Workshop on Grid Computing
A framework for synchronous and ubiquitous collaboration
A framework for synchronous and ubiquitous collaboration
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Floor control refers to the need for coordinating activities occurred in synchronously cooperating applications shared among collaborators. We address this for ubiquitous collaboration--the capability of multiple users to link together with disparate access device anytime and anywhere. Floor control has been studied for years but most researchers focus on relaxed coordination mechanisms with stationary devices that allow updates by any user on any object and resolve the uncoordinated updates. In this paper we present a floor control mechanism, called XGSP-Floor, which implements a coordination mechanism at application level for enabling users to consistently share the same resource in real time (synchronous collaboration) in ubiquitous collaboration environment. The implementation platform on cell phone devices may not be new. But we believe the implementation and experiment for XGSP-Floor on cell phone devices is a new challenge in ubiquitous collaboration environment even though the coordination mechanism can intuitively impose a tremendous overhead in worst case. We also describe the results of the modeling of XGSP-Floor and formal verification to prove the correctness of the modeling using Colored Petri Nets. We describe lessons learned and discuss future work.