Text compression
Building real-time groupware with GroupKit, a groupware toolkit
ACM Transactions on Computer-Human Interaction (TOCHI)
TeamRooms: network places for collaboration
CSCW '96 Proceedings of the 1996 ACM conference on Computer supported cooperative work
Supporting worker independence in collaboration transparency
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Improving interpretation of remote gestures with telepointer traces
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VR '99 Proceedings of the IEEE Virtual Reality
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Proceedings of 3rd ACM SIGCOMM workshop on Network and system support for games
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The effects of network delays on group work in real-time groupware
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Quality of service for networked virtual environments
IEEE Communications Magazine
Beyond the lan: techniques from network games for improving groupware performance
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Tackling online game development problems with a novel network scripting language
Proceedings of the 7th ACM SIGCOMM Workshop on Network and System Support for Games
GT/SD: performance and simplicity in a groupware toolkit
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Networked Graphics: Building Networked Games and Virtual Environments
Networked Graphics: Building Networked Games and Virtual Environments
It's about time: confronting latency in the development of groupware systems
Proceedings of the ACM 2011 conference on Computer supported cooperative work
Scheduling in variable-core collaborative systems
Proceedings of the ACM 2011 conference on Computer supported cooperative work
Towards self-optimizing collaborative systems
Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work
An Enhanced Dead Reckoning Model for Physics-Aware Multiplayer Computer Games
DS-RT '12 Proceedings of the 2012 IEEE/ACM 16th International Symposium on Distributed Simulation and Real Time Applications
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Groupware communicates by sending messages across the network, and groupware programmers use a variety of formats for these messages, such as XML, plain text, or serialized objects. Although these formats have many advantages, they are often so verbose that they overload the system's network resources. Groupware programmers could improve efficiency by using more compact formats, but this efficiency comes at the cost of increased complexity, reduced convenience, and reduced readability. In this paper we propose an alternate approach for improving efficiency -- an automatic compression system that transparently minimizes verbose formats. Our general message compressor -- GMC -- automatically finds and removes redundancy in message streams, without any knowledge of the contents or structure of the message, and without any need for the programmer to change the way they work. In tests with realistic message traces, GMC reduced text messages to 20% of their original size, XML messages to 8% of the original, and serialized objects to 9%. Although not as compact as a hand-coded representation, GMC provides most of the compression benefits with almost none of the work -- it allows groupware programmers to use convenient message formats without compromising transport efficiency.