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Caltech Infospheres Project

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The Caltech Infospheres Project researches compositional systems, which are systems built from interacting components. We are concerned with the theory and implementation of compositional systems that support peer-to-peer communication among persistent multithreaded distributed objects. Though we implement example systems and services in Java and Web technologies, our theories, models, and ideas are directly applicable to any distributed component-based system. Our group is primarily concerned with developing reliable distributed applications by composing existing and newly created software components in structured ways.


Current Research: Information Infrastructures for Crisis Management


An executive summary of our previous research (archival) is available.

All of the following packages can be downloaded via our releases web page.

CodeEval - A Code Evaluation Package for Java was released on 11 August 1999.

IDebug Version 0.9 was released on 02 May 1999.

ÜberNet Version 1.0 Alpha 1 was released on 11 February 1998.

The Infospheres Infrastructure Version 1.0 was released on 28 January 1998.


The Caltech Infospheres Project is led by Professor K. Mani Chandy and Dr. Daniel M. Zimmerman.

The Infospheres Project has been sponsored by the CISE directorate of the National Science Foundation under Problem Solving Environments grant CCR-9527130, the Center for Research in Parallel Computing under grant NSF CCR-9120008, and by Parasoft and Novell. The formal methods and adaptivity (reliability, mobility, security) parts of the project have been sponsored by the Air Force Office of Scientific Research under grant AFOSR F49620-94-1-0244.

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Last modified: Tue Dec 17 15:50:50 PST 2002