The Big Dig

The Big Dig is a service that generates an automated report on the current status of DiGIR data providers than can be found by examining a number of different registries.

A list of available data providers is available on the ProviderStatus page. Links to information about individual data providers are available from there.

Information about the Federation Schemas used by all the DiGIR providers can be found on the SchemaStatus page. Likewise, summary information about each schema is linked from that page. A comparison between all federation schema documents is also provided on the SchemaStatus page. The schema cross-reference is an automated attempt to provide a metric of the (dis)similarity between all schemas.

The information on data providers is updated approximately once a day. Information about schemas is updated approximately once per week.

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Quick Stats as of 2008-02-22 08:16:28+0000:

Number of federation schemas 47
Number of data providers 261
Total number of resources 2107
Total number of records 133404525
Number of inaccessible providers 76

Map showing the approximate distribution of DiGIR providers (georeferenced by IP address). Yellow markers indicate providers known to be online, red indicates the provider was offline when last checked. If you have Google Earth then the KML file can be downloaded here. Note that the provider locations are modified by a small random factor so that icons from the same institution don't fall on exactly the same spot.

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