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Welcome to the GEO Standards and Interoperability Forum (SIF)

The SIF was formed to facilitate the interchange of information and the development of recommendations for standards and interoperability in GEOSS. The SIF also oversees a key component of the GEOSS Common Infrastructure (GCI), the Standards and Interoperability Registry (SIR). The purpose of the SIF is to provide advice, expertise and impartial guidance on issues relating to standards and interoperability for GEOSS. Our primary goal is to enable ever greater degrees of interoperability among GEOSS-contributed resources through facilitation, technical analysis, advocacy and education. The SIF is composed of experts nominated by GEO Members and Participating Organizations, and supported by subject matter experts from around the globe.

More information on the GEOSS registries can be found at the GEOSS Resources Registry System. The SIF also manages the development and publication of a series of GEOSS Tutorials. These tutorials are meant to assist GEOSS users and GEOSS providers in understanding how to publish, register, discover, access, and use GEOSS resources. The tutorials are published at the GEOSS Best Practices Wiki. More information on the SIF can be found at the Standards and Interoperability Registry home.

SIF Co-Chairs
  • Steven F. Browdy (steven DOT browdy AT ieee DOT org): IEEE Committee on Earth Observation (ICEO)
  • David K. Arctur (darctur AT myogc DOT org): University of Texas at Austin and Open Geospatial Consortium (OGC)


  • Webcast/telecons are a main method of communication. Meetings are held every second Friday at 9:30am US EST / 1430 UTC, for one hour. Check with co-chairs for next meeting time, as the schedule can change due to conferences and other events.
  • The SIF email list is for general announcements and communication among members. To subscribe please contact the GEO Secretariat at
  • Any direct questions about the SIF and its operation can be asked during a telecon, or by emailing a co-chair listed above.

SIF webex/telecon logistics and email list info

SIF meeting agendas/minutes

SIF actions list (TBD)


MIME types in SIR

GEOSS Interoperability Workshops (2009-DC, 2010-Ankara, 2011-virtual, 2013-DC)

GEOSS Interoperability Assessment Report

GEOSS Tutorials

GEOSS Providers and Users FA (TBD)


Standards and Interoperability Registry (SIR)

GEOSS Best Practices Wiki

GEOSS Resources Registry System

SIF FTP archives

GEOSS Architecture Implementation Pilot (AIP) on OGCNetwork

GEOSS AIP telecons

GEO Secretariat Home

GEO Meetings and Events



GEO_SIF Web Utilities

- advanced search

This public website provides a way to work together in SIF and coordinate activities involving several partners. Edit is restricted to GeoSifGroup only.
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Topic revision: r18 - 20 Feb 2013, DavidArctur

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