Helena,

As you can see there are many options for MeSH but no official version. Another option is to use the SPARQL endpoint maintained by Stony Brook University Department of Medical Informatics for the public sources of the UMLS that have been converted to RDF. As MeSH is part of the UMLS you also get the ability to link to other vocabulary sources like NCIt.

http://link.informatics.sunysb.edu/sparql/

You could potentially use a URI to the normalized version of the MeSH Header (a URI to UMLS CUI (Concept Unique Identifier)

SELECT ?aui ?cui WHERE
{ ?aui rdfs:label "Neoplasms" .
?aui <http://link.informatics.stonybrook.edu/umls/hasSAB> <http://link.informatics.stonybrook.edu/umls/SAB/MSH> . ?aui <http://link.informatics.stonybrook.edu/umls/hasTermType> <http://link.informatics.stonybrook.edu/umls/TTY/MH> .
  ?aui <http://link.informatics.stonybrook.edu/umls/hasCUI> ?cui
 }

Running the above query gives the following result.

aui     cui
http://link.informatics.stonybrook.edu/umls/AUI/A0090941 http://link.informatics.stonybrook.edu/umls/CUI/C0027651

Note: the above links in the result set can be browsed interactively from a web browser.

I can only hypothesize that Bioportal issue might be related to the D058885 (Multilocus Sequence Typing) being a term newly introduced to the 2011 version of MeSH. FYI, UMLS version that is being hosted here does not contain D058885 the term because it is the 2010 version. See http://link.informatics.stonybrook.edu/umls/SAB/MSH for metadata about the MeSH source currently being hosted.

-Janos


On 6/6/2011 7:35 AM, Helena Deus wrote:
Hi all,

I am trying to identify a URI for a concept in MeSH; bioportal URI is http://bioportal.bioontology.org/ontologies/44776?p=terms&conceptid=D058885 <http://bioportal.bioontology.org/ontologies/44776?p=terms&conceptid=D058885>
But BioPortal gives me this very polite message:

"We're sorry but something has gone wrong. We have been notified of this error."

I've looked up the same concept in MeSH site - http://www.nlm.nih.gov/cgi/mesh/2011/MB_cgi?index=26024 - but it does not seem to be a well-formed URI (not serving RDF data).

Does anyone know of a proper way to build a URI for MeSH terms?

Best,
Helena


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