and information system models. It has also intensified awareness of two unavoidable conclusions: NASA is accountable for what happens to EOS data, no matter what information system is implemented, and the scientific community can recommend a structure and an approach but cannot decide what to do.

For the future we envision a federation that will be effective in transcending lists of requirements by providing enabling capabilities and by focusing on the value of EOS data for science and applications rather than on system mechanics. The operational details of the EOS information system will then fade into the background of an existing supportive, but largely invisible, global information infrastructure, and scientists will be able to concentrate on science.

NOTES

1. NRC (1995a).

2. Ibid.

3. NRC (1998).

4. NRC (1995a).

REFERENCES AND BIBLIOGRAPHY

Dopplick, T. 1995. A Science User's Guide to the EOSDIS Core System (ECS) Development Process. Science Office, EOSDIS Core System Project, Technical Paper 160-TP-003-001 .

Dutton, J.A. 1989. The EOS data and information system: Concepts for design. IEEE Transactions on Geoscience and Remote Sensing 27:109-116.

Handy, C. 1992. Balancing corporate power: A new federalist paper. Harvard Business Review, (Nov.-Dec.):59-72.

National Aeronautics and Space Administration. 1984. Earth Observing Science: Science and Mission Requirements Working Group Report. Technical Memorandum 86129. NASA, Washington, D.C.

National Aeronautics and Space Administration. 1986. Report of the EOS Data Panel. Technical Memorandum 87777. NASA, Washington, D.C.

National Research Council. 1982. Data Management and Computation, Volume 1, Issues and Recommendations. National Academy Press, Washington, D.C.

National Research Council. 1995a. A Review of the U.S. Global Change Research Program and NASA's Mission to Planet Earth/Earth Observing System. National Academy Press, Washington, D.C.

National Research Council. 1995b. Earth Observations from Space: History, Promise, Reality. National Academy Press, Washington, D.C.

National Research Council. 1997. Bits of Power: Issues in Global Access to Scientific Data. National Academy Press, Washington, D.C.

National Research Council. 1998. Toward an Earth Science Enterprise Federation: Results from a Workshop. National Academy Press, Washington, D.C.

Weibel S., and C. Lagoze. 1997. An element set to support resource discovery—the state of the Dublin Core: January 1997. International Journal on Digital Libraries 1(2):176-186.



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