On 14-11-17 15:50, Bert Verhees wrote:
Can it be that data refer to data on other systems, or may they only
refer to data on the same system, copies of data from other systems?
In the Netherlands we have a national system called the LSP, which makes
medical data available to other clinicians. They can look into medical
data from other institutions (of course, in the right legal context,
however that is also a problem, but apart from that)
Data which a clinician has seen, but not copied in a *accountable way*
to his own system, may disappear from another system, by system error,
or by an other clinician trying to hide an error
Remember this quote from Leslie Lamport (from DEC, was it in 1988?)
"A distributed system is one in which the failure of a computer you
didn't even know existed can render your own computer unusable."
Replace the last "computer" by "data" and you have the current context.
In the Netherlands people will discover the meaning of this quote when
they do not handle information carefully
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