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It is possible to use the DAS registry to find data on DAS servers,
the problem is that all DAS servers can be set up differently, they
all follow different rules or different DAS versions, some don't follow
all the protocol rules,
and some are not maintained.
DAS is a protocol, and it has different versions. The spec for the
latest version (1.6) is at: http://www.biodas.org/documents/spec-1.6.html^{Image Added}
the registry itself is at: http://www.dasregistry.org^{Image Added}
So, for example, if we want to find servers for H_sapiens_Feb_2009,
we can use the query: http://www.dasregistry.org/das/sources?organism=9606&capability=features&version=37^{Image Added}
and parse the results.