Difference between revisions of "Geodata Committee Meeting 20060406"

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   Minutes: Schuyler Erle
 
   Minutes: Schuyler Erle
 
   IRC: [irc://irc.freenode.net/osgeo #osgeo channel on irc.freenode.org]
 
   IRC: [irc://irc.freenode.net/osgeo #osgeo channel on irc.freenode.org]
−
   Date: 2006-Apr-06 (at least in the Americas and Europe)
+
   Date: 2006-Apr-07 (at least in the Americas and Europe)
−
   Time: [http://timeanddate.com/worldclock/fixedtime.html?year=2006&month=4&day=6&hour=16&min=0&sec=0 Wednesday, 16:00 UTC]
+
   Time: [http://timeanddate.com/worldclock/fixedtime.html?year=2006&month=4&day=7&hour=17&min=0&sec=0 Thursday, 17:00 UTC]
  
 
== Agenda Items ==
 
== Agenda Items ==
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* Specific discussion of data sets to be hosted at Telascience
 
* Specific discussion of data sets to be hosted at Telascience
 
* Deciding on baseline [[Geodata Metadata Requirements]]
 
* Deciding on baseline [[Geodata Metadata Requirements]]
 +
* Any other business?
  
 
== Minutes ==
 
== Minutes ==
  
−
== Next Meeting ==
+
=== Attendance ===
 +
 
 +
Schuyler Erle, John Graham, Jeff McKenna, Jo Walsh, Frank Warmerdam, Ned Horning, Perry Nacionales, Dan Putler
 +
 
 +
''please add yourself'' ;-)
 +
 
 +
[http://logs.qgis.org/osgeo/%23osgeo.2006-04-07.log IRC Log]
 +
 
 +
=== Data Hosting ===
 +
 
 +
* The [[Public Geospatial Data Committee]] (i.e. 'we') plans to host data at http://osgeo.telascience.org/, courtesy of John Graham and the SDSC.
 +
* Agreed we should start by hosting +/- two showcase data sets, one raster, one vector.
 +
* Agreed we should host these datasets in their original formats first, before adding derivative/value-added versions.
 +
* Agreed we should host download via HTTP, download via BitTorrent, and OGC Web Service access.
 +
* Agreed we should peer datasets through [http://www.geotorrent.org/ GeoTorrent]. Noted that they have [http://www.geotorrent.org/faq.php#siteb data format requirements] for hosted data sets that may not meet our needs -- e.g. VMap0. Frank Warmerdam will speak with Richard Orchard of GeoTorrent about this.
 +
* Schuyler volunteers to sketch out a [http://wiki.osgeo.org/index.php/Geodata_Discovery_Working_Group#Hosting_Plan plan for hosting] <strike>two</strike> three initial datasets
 +
** Start with VMap0, Blue Marble NG, SRTM30
 +
** Host WMS/WCS via MapServer, WFS via GeoServer
 +
** Provide human- and machine-readable metadata for all three
 +
 
 +
=== Metadata Standards ===
 +
 
 +
* Concern over metadata standards like [http://biology.usgs.gov/fgdc.metadata/version2/ FGDC] that may be irrelevant or raise too high a barrier to contribution by users.
 +
** Recommended we look at [http://edcnts11.cr.usgs.gov/metalite/ MetaLite], a Windows program for creating basic FGDC metadata.
 +
** http://edcnts11.cr.usgs.gov/metalite/help/fgdc.html lists "the smallest  complete "core" of the FGDC standard that would still give sufficient basis for creating a clearinghouse"
 +
* Discussion of the basic minimum of metadata attributes to make a data set useful
 +
** File format
 +
** Projection
 +
** Text description
 +
** Ownership/provenance
 +
** License
 +
** Source URL
 +
* Action Items
 +
** Jo agrees to work out what is already expressed in very common metadata namespaces like Dublin Core and FOAF versus what may need to be expressed in a custom or domain-specific (e.g. GML) namespace (such as representing projection, extent data etc that can be inferred from OGR).
 +
** John will talk to [http://www.geongrid.org/ GEON] participants about their work in agreeing on common metadata.
 +
 
 +
[[Category:Public Geospatial Data Committee]]

Latest revision as of 07:33, 23 August 2007

Public Geospatial Data Committee Meeting 2006-Apr-06

Meeting Info

 Chair: Jo Walsh
 Minutes: Schuyler Erle
 IRC: #osgeo channel on irc.freenode.org
 Date: 2006-Apr-07 (at least in the Americas and Europe)
 Time: Thursday, 17:00 UTC

Agenda Items

Old Business

New Business

Minutes

Attendance

Schuyler Erle, John Graham, Jeff McKenna, Jo Walsh, Frank Warmerdam, Ned Horning, Perry Nacionales, Dan Putler

please add yourself ;-)

IRC Log

Data Hosting

  • The Public Geospatial Data Committee (i.e. 'we') plans to host data at http://osgeo.telascience.org/, courtesy of John Graham and the SDSC.
  • Agreed we should start by hosting +/- two showcase data sets, one raster, one vector.
  • Agreed we should host these datasets in their original formats first, before adding derivative/value-added versions.
  • Agreed we should host download via HTTP, download via BitTorrent, and OGC Web Service access.
  • Agreed we should peer datasets through GeoTorrent. Noted that they have data format requirements for hosted data sets that may not meet our needs -- e.g. VMap0. Frank Warmerdam will speak with Richard Orchard of GeoTorrent about this.
  • Schuyler volunteers to sketch out a plan for hosting two three initial datasets
    • Start with VMap0, Blue Marble NG, SRTM30
    • Host WMS/WCS via MapServer, WFS via GeoServer
    • Provide human- and machine-readable metadata for all three

Metadata Standards

  • Concern over metadata standards like FGDC that may be irrelevant or raise too high a barrier to contribution by users.
  • Discussion of the basic minimum of metadata attributes to make a data set useful
    • File format
    • Projection
    • Text description
    • Ownership/provenance
    • License
    • Source URL
  • Action Items
    • Jo agrees to work out what is already expressed in very common metadata namespaces like Dublin Core and FOAF versus what may need to be expressed in a custom or domain-specific (e.g. GML) namespace (such as representing projection, extent data etc that can be inferred from OGR).
    • John will talk to GEON participants about their work in agreeing on common metadata.
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