User Group head-count. (May 1998)

PDM offers a head count of attendees at the various user group meetings as a rough and ready measure of the popularity of the different technologies.

Geoshare, POSC and PPDM are to a limited extent complementary technologies, but they are mainly competing ways of achieving interoperability. Each one has its own different data model for a start. To have three user meetings in the same place in the same week allowed us a rough and ready way measure of the relative popularity of the technologies. The scorecard is as follows



Geoshare AGM


POSC Houston member


PPDM Houston member


This actually reflects unfairly on Geoshare, which mustered some 200 attendees via their sponsorship of the PNEC conference. There is anyhow, no real front runner in this race!

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