It shouldn't be happening.  I  need to know the link that is giving you
trouble, so I can fix it.

Thanks,

Dave
John S. Gage writes:
 > David,
 >   I can't seem to get into the various standards from your web page on
 > Telemed.  When I click on COAS, for example, I get an access denied.  Is
 > this temporary?
 > John
 > 
 > David Forslund wrote:
 > > 
 > > At 04:04 PM 3/3/00 +0000, jeff b wrote:
 > > >On Thu, 02 Mar 2000 Alvin B. Marcelo  wrote:
 > > > > It has been silent. But I know the projects have been surging on...
 > > > >
 > > > > Question:
 > > > >
 > > > > It was mentioned that most of the open source projects, being generated
 > > > > from ground up, have the unique capability to integrate interoperability
 > > > > right at the start.
 > > > >
 > > > > But has the alliance agreed on what level of interoperability this would
 > > >be?
 > > >
 > > >No. I've tried to bring this up several times, unsuccessfully, and was
 > > >basically either ignored or told what internal data format I should be
 > > >using.
 > > 
 > > I thought this was discussed pretty thoroughly a while back.  I know I
 > > responded to it but
 > > haven't recently because I was attacked for proposing a solution even
 > > though it was
 > > based totally on international open non-proprietary standards.
 > > 
 > > > > So far the interoperability solutions that have been presented were:
 > > > >
 > > > > CORBA
 > > > > CORBAmed
 > > > > HL7
 > > > > CEN
 > > > > GEHR
 > > > >
 > > > > Are all these players on the same field? meaning: can I proceed with my
 > > >EMR
 > > > > project, with my own database, with my own programming language, and with
 > > > > my own operating system, and _still_ be interoperable with the other open
 > > > > source projects?
 > > >
 > > >Well, in a word... no.
 > > >
 > > >Each standard is either an interchange format or an idea for how to keep
 > > >data internally. CORBA is a protocol for storing information using an ORB
 > > >(Object Request Broker) and CorbaMed is a subset of that. Of course, that's
 > > >all fine and good unless you aren't using an ORB yourself, in which case
 > > >someone would have to build a bridge for other systems, so it doesn't
 > > >really fly as an interchange format. The GEHR is not an interchange format
 > > 
 > > I don't believe this statement about an ORB is quite accurate.  One could
 > > do everything described above an be compatible with CORBAmed if the
 > > particular relevant interfaces are also implemented.  You don't have to use
 > > an ORB yourself, it could just be the gateway to other information.  The
 > > CORBAmed specification, itself,is rather silent on the data interchange
 > > format but supports those provided by others (HL7, CEN, etc.).  But it can
 > > provide complete interoperability in the services if one implements the
 > > interfaces.
 > > 
 > > >-- it's an idea for how to store medical data, and while it may be good for
 > > >that, it has to rely on something else as an interchange format. (I'm going
 > > >to skin CEN, as I am not familiar with it). Out of all of the items you
 > > >listed, only HL7 has some viability as an interchange format, but it
 > > >requires everyone to either write their own parser or use hl7lib (check out
 > > >sourceforge for this one). I really don't know about all of HL7's
 > > >capabilities or fields, but so long as no one goes the Microsoft
 > > >"proprietary extensions" way on that protocol, it seems to be the way to
 > > >go, otherwise we all get stuck with CorbaMed, which only works for the
 > > >CORBA based projects.
 > > 
 > > CORBAmed specifications are being implemented in DCOM and could be in other
 > > systems, too.
 > > It is intended for interoperable services and relies on one being able to
 > > "negotiate" through essentially a namespace as to the data representations.
 > > 
 > > > > Which of the above can give me that flexibility?
 > > >
 > > >HL7 is a good idea for an interchange format, but makes a lousy storage
 > > >medium. Use whatever you think is the best for internal data storage, so
 > > >long as you can map it to an interchange format like HL7. (That's why I
 > > >think that in a way GEHR is a really good storage idea -- their mappings
 > > >are excellent)
 > > 
 > > The GEHR model is fully compatible with the CORBAmed specification and
 > > could be implemented within it quite nicely.
 > > 
 > > HL7 will be much more useful as an interchange format once it is fully in
 > > XML.   However, one needs
 > > more than an interchange format for one to be able to link multiple
 > > clinical systems together and access them simultaneously.  I believe a
 > > service-oriented architecture is the only thing which will support this
 > > kind of functionality.
 > > 
 > > >
 > > > > Shouldn't we settle this question right now or else go the way of the
 > > > > current proprietary systems?
 > > > >
 > > > > Maybe we're not looking for the best (maybe it isn't there). But we need
 > > > > something common to hold on.
 > > >
 > > >I've been saying this for a very long time as well, but no one ever seems
 > > >to want to talk about it -- everyone would rather talk about why XXXX is
 > > >the greatest thing since sliced bread, but not how we should be blowing off
 > > >this proprietary model of "every man for himself" and forging ahead in the
 > > >Open Source (tm) way ... by using our collective bargaining and brain power
 > > >to bring a new standard.
 > > 
 > > I think we should forge ahead in the "open-source" way.  This does not mean
 > > we should ignore various international standards.   We've tried to
 > > demonstrate this by providing "open-source" implementations of CORBAmed
 > > standards.  I think others on this group are doing the same.  I know of no
 > > other way to provide true interoperability.
 > > 
 > > >We all have to compete with guys like WebMD, who frankly have much more
 > > >money and man-power than any of the groups working on free projects. But I
 > > >think we have a better way of doing things, and if we don't all kill each
 > > >other or committee everything to death, we have a good chance of being able
 > > >to change the world of electronic medicine.
 > > 
 > > Exactly.  We make this point in a recent book chapter which has been
 > > published.  I'd be happy to provide a reference to it if anyone is interested.
 > > 
 > > Thanks,
 > > 
 > > Dave
 > > 
 > > >I'm coming down off the pulpit now.
 > > >
 > > >*************************
 > > >jeff b
 > > >system administrator
 > > >university communications
 > > >university of connecticut
 > > >[EMAIL PROTECTED]
 > >  >
 > 

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