tag:blogger.com,1999:blog-4384692836709903146.post7660661739177960538..comments2024-03-18T04:38:01.678-07:00Comments on Dispatch from the Digital Health Frontier: A Primer on XML, RDF, JSON, and MetadataJohn Halamkahttp://www.blogger.com/profile/04550236129132159307noreply@blogger.comBlogger14125tag:blogger.com,1999:blog-4384692836709903146.post-61023957875270942012012-02-20T11:56:59.859-08:002012-02-20T11:56:59.859-08:00Would you consider discussing json-ld in this or f...Would you consider discussing json-ld in this or following postsAnonymoushttps://www.blogger.com/profile/08087848342064196852noreply@blogger.comtag:blogger.com,1999:blog-4384692836709903146.post-28092119807312188362011-04-08T00:43:56.050-07:002011-04-08T00:43:56.050-07:00Dr. Halamka, I wish to disagree somewhat from your...Dr. Halamka, I wish to disagree somewhat from your comments on HL7 Reference Implementation Model (RIM). In a way RIM does provide meaning to XML tags, but XML is just a serialisation format for information encoded in model structure conforming to RIM. RIM aims to standardise on the structure and semantics of information so as to facilitate consistent generation, transmission, and consumption of information across systems. In that sense RIM goes beyond metadata and is closer to RDF as far as structure of information is concernedSandeep Mittalhttps://www.blogger.com/profile/15560685594582205279noreply@blogger.comtag:blogger.com,1999:blog-4384692836709903146.post-88521155612599814992011-03-22T15:23:28.015-07:002011-03-22T15:23:28.015-07:00I think we need to discuss some more detailed idea...I think we need to discuss some more detailed ideals for JSON and XML as regarding the CCD. The great advantage the CCD (and the CCR) have is that in CCD there are structures which are verified against that force the CCD to comply with a set of standards that prove useful to the "end user" of the document, namely, the physician. I am not aware of this same convenience available with JSON. JSON seems much simpler for intuitive understanding, but what good is it if there is no structure behind the instance?EconomyWonkhttps://www.blogger.com/profile/01143632321230550991noreply@blogger.comtag:blogger.com,1999:blog-4384692836709903146.post-56173120877090854622011-03-03T21:07:34.747-08:002011-03-03T21:07:34.747-08:00This was an excellent post, but it left out one im...This was an excellent post, but it left out one important difference between JSON and XML. While it's certainly possible for content producers to encode arbitrary elements using each, XML (unlike JSON) has well-defined and widely-used mechanisms for defining and enforcing data schemata (the set of allowable elements and the ways in which they may be combined). There are several different efforts in the JSON world to do these sorts of things, but nothing's gotten too much traction- largely because, IMHO, the act of imposing that level of structure on JSON removes one of JSON's big advantages over XML- its lightweight and dynamic nature.<br /><br />This means that it's easier to encode semantically rich content (such as health-related data) in XML than in JSON, which is really more of a data serialization format than a data interchange format. That's not to knock JSON- I use it all the time, and I think there are definitely possible uses for it in HIE-related applications. It's just a matter of using the right tool for the right job.<br /><br />Incidentally, I personally think that RDF+OWL represent the Right Way to solve the technical aspects of of HIE, but I'm not holding my breath for wide-scale adoption. RDF is such a simple concept- subject/predicate/object- yet, in practice, it's a surprisingly hard approach for most programmers (myself included, at first) to get their heads around.stevehttps://www.blogger.com/profile/03648247617479738747noreply@blogger.comtag:blogger.com,1999:blog-4384692836709903146.post-75274842095261642532011-01-31T13:52:45.371-08:002011-01-31T13:52:45.371-08:00The primer is needed because it brings JSON and RD...The primer is needed because it brings JSON and RDF into the same conversation as the more traditional approachesgemstesthttps://www.blogger.com/profile/10729764967579788379noreply@blogger.comtag:blogger.com,1999:blog-4384692836709903146.post-22920047662943121712011-01-13T14:49:45.693-08:002011-01-13T14:49:45.693-08:00Nice summary!
I suspect part of the reason social...Nice summary!<br /><br />I suspect part of the reason social networks are among the first to abandon XML in favor of JSON is because at such a large scale the challenges associated with generating, parsing, and manipulating XML are magnified.<br /><br />If a national-scale HIE is the vision, we should be mindful of emerging standards which can simplify data exchange.<br /><br />Of course, JSON may not be a good fit for all tasks, but I can see it being useful for relatively simple ones such as transmitting prescriptions and lab orders.Ragheedhttps://www.blogger.com/profile/14094714966299726648noreply@blogger.comtag:blogger.com,1999:blog-4384692836709903146.post-57441743927342089012011-01-12T01:29:41.695-08:002011-01-12T01:29:41.695-08:00Fantastic!!!Fantastic!!!Kristinahttp://www.facebook.com/oncallnursenoreply@blogger.comtag:blogger.com,1999:blog-4384692836709903146.post-12672199918122704192011-01-11T15:17:49.889-08:002011-01-11T15:17:49.889-08:00Brilliant! RDF and OWL open up new possibilities i...Brilliant! RDF and OWL open up new possibilities in terms of model consistency checking and reasoning. They can also help with knowledge integration (for example in translational medicine through the RDF merging or linking of genomic and clinical data). <a href="http://en.wikipedia.org/wiki/Linked_Data" rel="nofollow">Linked Open Data (LOD)</a> principles can be helpful here as well.Vidjinnagni Amoussouhttps://www.blogger.com/profile/06437681488603449364noreply@blogger.comtag:blogger.com,1999:blog-4384692836709903146.post-63555792725707739542011-01-11T14:42:40.774-08:002011-01-11T14:42:40.774-08:00Concise yet comprehensive!
Thanks Dr Halamka.Concise yet comprehensive!<br /> <br />Thanks Dr Halamka.PBnoreply@blogger.comtag:blogger.com,1999:blog-4384692836709903146.post-30482074934904151112011-01-11T11:25:00.211-08:002011-01-11T11:25:00.211-08:00John, I am grateful that you are available to prov...John, I am grateful that you are available to provide this expertise to the committee. But, I have to admit to great alarm that such a primer is needed.Keith W. Boonehttps://www.blogger.com/profile/16883038460949909300noreply@blogger.comtag:blogger.com,1999:blog-4384692836709903146.post-66393581149735997462011-01-11T10:39:11.954-08:002011-01-11T10:39:11.954-08:00Anything related to the efficiency and accuracy in...Anything related to the efficiency and accuracy in transmission of patient data is good news!Ray Holthttp://rayholt.wordpress.comnoreply@blogger.comtag:blogger.com,1999:blog-4384692836709903146.post-59348508143420898082011-01-11T09:28:44.118-08:002011-01-11T09:28:44.118-08:00a while back, I put Dr Halamka's CCD into RDF ...a while back, I put Dr Halamka's CCD into RDF (<a href="http://www.caregraf.org/veganvetstatic/veganVetDemo.html" rel="nofollow">demo</a>, <a href="http://www.caregraf.org/veganvetstatic/veganvet.rdf" rel="nofollow">RDF</a>). <br /><br />RDF is a succinct and very flexible way of representing a patient's record and is easy to serialize as a CCD. It is ideal for healthcare data which takes the form of "directed graphs" where nodes point to other nodes. As a result, it's a natural fit for data in system's like the VA's VistA (<a href="http://www.caregraf.org/semanticvista" rel="nofollow">Semantic VistA</a>).<br /><br />This is great news, that it is under consideration by the ONC.Unknownhttps://www.blogger.com/profile/15188931029985588635noreply@blogger.comtag:blogger.com,1999:blog-4384692836709903146.post-64029856055957738552011-01-11T08:05:26.781-08:002011-01-11T08:05:26.781-08:00Excellent Primer. The PCAST report has brought a l...Excellent Primer. The PCAST report has brought a lot of different concepts together to tackle the Healthcare systems, especially for DAES (Data Access Element Services).The Road of Lifehttps://www.blogger.com/profile/16007435267121024043noreply@blogger.comtag:blogger.com,1999:blog-4384692836709903146.post-88257733848207298802011-01-11T06:38:28.949-08:002011-01-11T06:38:28.949-08:00Bravo! DCKBravo! DCKDavid C. Kibbe, MD MBAhttps://www.blogger.com/profile/13787233253906112642noreply@blogger.com