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From: bailey@hmivax.humgen.upenn.edu
Newsgroups: bionet.molbio.genbank
Subject: Data Exchange (updates revisited)
Message-ID: <1991May29.185538.1@hmivax.humgen.upenn.edu>
Date: 29 May 91 22:55:38 GMT
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In article <9105281658.AA02439@histone.lanl.gov> on May 28, Paul Gilna writes:

>All data processed by DDBJ (with the exception of confidential data)
>are passed to GenBank on a regular basis and incorporated
>immediately into the on-line flatfile servers and RDBMS satellites;
>These data are in turn propagated to EMBL and their distribution nodes.

How rapidly does this integration of data occur?  We have been updating local
copies of nucleic acid sequence databases by FTP, and I'm curious whether
there's a sufficient lag to justify maintaining incremental updates to GenBank
and EMBL separately (I gather from recent discussion that there's no access at
present to DDBJ until GenBank gets the data; correct me if I'm wrong).

If anyone is familiar with the exchange rates or has looked at information
overlap in the updates between releases, I'd be interested to know what one can
expect.

Finally, the concept of confidential data in a database is new to me.  How
precisely does this work?  Is this unique to DDBJ, or might there be data
quietly floating around in other databases as well?  How does one officially
'spot' references to confidential data?

Thanks to all.  Apologies if any of the above questions are common knowledge to
the rest of the world.


					Charles Bailey

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