[Tdwg-tag] Why we should not use LSID

Ricardo Scachetti Pereira ricardo at tdwg.org
Wed May 3 14:06:00 CEST 2006


    I think that this problem could be solved by using an LSID HTTP 
proxy, such as the (Biopathways LSID Resolver 
<http://lsid.biopathways.org/resolver/> - 
http://lsid.biopathways.org/resolver/), to allow clients that are only 
aware of HTTP to resolve LSIDs without any additional software.

    Such a proxy accepts HTTP GET/POST requests following some 
well-known rules (such as these: 
<http://lsid.biopathways.org/resolver/weblinks.shtml>), resolves the 
LSID passed as a parameter, and returns either the data or metadata 
associated with the LSID to the original client. Here is one example:


    The result is very similar, if not equivalent, to what you would 
have with PURL, without having to give up on the benefits of LSIDs.

    The problem then would be to choose whether to use the pure LSIDs or 
the proxy link. One idea would be to use the proxy links to identify 
ontology classes and predicates. Also, LSID aware clients could extract 
the LSID from the the proxy link with one additional well known rule.

    Besides the proxy I mentioned for LSID, there are well developed 
HTTP proxies for both DOI and ARK as well. There is really good 
documentation about the DOI bridge on the DOI site.



Gregor Hagedorn wrote:
> Note that part of my concern about the use of concept when talking about 
> classes/properties/data elements is that I more and more believe we will want 
> to use ontology reasoners for uses other than software design, i.e. as part of 
> what we currently consider data (taxon names, concepts, rank hierarchy, parts 
> of organisms, properties of organisms, etc.). All these are ontological 
> concepts, and efforts www.plantontology.org do use OWL to reason on them.
> The SDD presentation (the one not held in EDI, attached) contained some 
> examples how we might want to query our data - in ways that OWL-for-software-
> design seems not to cover - and which using LSIDs would even prevent.
> Please discuss:
> http://wiki.tdwg.org/twiki/bin/view/TAG/WhyWeShouldNotUseLSIDs
> http://wiki.tdwg.org/twiki/bin/view/TAG/UsePURLsAsGUIDs
> Gregor
> ----------------------------------------------------------
> Gregor Hagedorn (G.Hagedorn at bba.de)
> Institute for Plant Virology, Microbiology, and Biosafety
> Federal Research Center for Agriculture and Forestry (BBA)
> Königin-Luise-Str. 19           Tel: +49-30-8304-2220
> 14195 Berlin, Germany           Fax: +49-30-8304-2203
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