Maybe the amount of Entropy (disorder) is reduced by information but increases by too much data? I agree that one should be offered the information that one needs at a given time but that implies that one can define the scope in the information request, Best wishes Nick ----- Original Message ----- From: "William E Hammond" <[email protected]> To: <openehr-technical at openehr.org> Cc: <openehr-technical at openehr.org>; <owner-openehr-technical at openehr.org> Sent: Sunday, May 29, 2005 1:29 PM Subject: Re: Issue 1
> However, in my opinion, one can have too much data. Information, by > definition, is more than data and conveys something understandable and > useful that was not known before. Information deals with raising entrophy. > > Long story short, designers of systems need to undersatnd the difference in > data and information - ands, ideally, provide just what is needed when it > is needed to address the circumstances of the situation. > > Ed Hammond > > > > > "lakewood at copper.net" > <lakewood To: openehr-technical at openehr.org > Sent by: cc: > owner-openehr-technical@ Subject: Re: Issue 1 > openehr.org > > > 05/28/2005 10:47 PM > Please respond to > openehr-technical > > > > > > > Hi Dr R LONJON, > > This response pertains to: > "... > In short according to Shannon (theory of information), too much > information, no precise, mask the good information to take a decision. > > ..." > REFERENCE (Shannon Information): > http://www.iscid.org/encyclopedia/Shannon_Information > > "... > concerned with quantifying information (usually in terms of number of bits) > ... > as they are communicated sequentially from a source to a receiver ... > The amount of ...information contained in a string of characters is > inversely related to the probability of the occurrence of the string > ... > Shannon information is solely concerned with the improbability or > complexity of a string of characters rather than its patterning or > significance > ..." > > REFERENCE (Complexity): http://www.iscid.org/encyclopedia/Complexity > > "... > often used to describe single systems made of multiple interacting parts. > However, > ... can be used for a large variety of applications > ...* *Computational ... Time ... Space ... Kolmogorov (algorithmic) ... > Connectivity ... > Descriptive/Interpretative ... Functional > ..." > > Decision Theory (e.g., http://www.answers.com/topic/decision-theory) > would be more appropriate. > > Once Healthcare-related information is available to a Practitioner one > enters an environment in which > the types of decisions made and the content upon which they are based > are outside of > Communications Theory (see Decision Theory Reference). Rarely is there > 'too much' information. > A more important issue is Upon which portion of the available > information, or all of it, should a > decision be based? > > Regards! > > -Thomas Clark > > > > Dr LONJON Roger wrote: > > >Hi all, > >the exercise of medicine is an art. > >This is not an exact science as the physics. > >With the biology, the anatomo-pathology, the x'ray explorations and > R.M.Imaging, > >the physician gets information that are validated. > >They are validated because there was physical signal registration that was > >digital, pictures in RMI. These pictures, as blades of microscope, can be > >reread, in the time by other physicians. > >They have a statute of data validated by the physician and therefore > publishable > >in the file of cares of the sick. > >The diagnosis makes by the physician is the result of a reasoning, from > one > >wholes of information that it to on his patient. One teaches it to > students > >future physicians. > >The diagnosis is sometimes fast, but often it asks for a delay of several > days > >weeks or years!! or never !! > >Hypoth?seses, elaborate by the physician, are only some likely, probable > >information. > > In France, there is an agreement to say that it is about " personal " > Notes > >that are not validated.and what are the property of the physician. > > They are not therefore publishable and especially no opposable in > judicial > >proc?s case. > > In short according to Shannon (theory of information), too much > information, no > >precise, mask the good information to take a decision. > > > > Distressed for my English!! > > > >Dr R LONJON > > France > > > >- > >If you have any questions about using this list, > >please send a message to d.lloyd at openehr.org > > > > > > > > > > > > - > If you have any questions about using this list, > please send a message to d.lloyd at openehr.org > > > > > - > If you have any questions about using this list, > please send a message to d.lloyd at openehr.org - If you have any questions about using this list, please send a message to d.lloyd at openehr.org
