On Aug 24, 2011, at 2:44, Leigh Dodds <[email protected]> wrote: > Hi, > > On 23 August 2011 15:17, Gannon Dick <[email protected]> wrote: >> Either "Linked Data ecosystem" or "linked data Ecosystem" is a dangerously >> flawed paradigm, IMHO. You don't "improve" MeSH by >> flattening it, for example, it is what it is. Since CAS numbers are not a >> directed graph, an algorithmic transform to a URI (which *is* a >> directed graph) is risks the creation of a "new" irreconcilable taxonomy. >> For example, Nitrogen is ok to breathe and liquid Nitrogen is a >> not very practical way to chill wine. > > A URI isn't a directed graph. You can use them to build one by making > statements though. > > Setting aside any copyright issues, the CAS identifiers are useful > Natural Keys [1]. As they're well deployed, using them to create URIs > [2] is sensible
Hi Leigh, Right. Unfortunately it is also illegal :/ Regards, Dave > as it simplifies the process of linking between > datasets [3]. > > To answer Patrick's question, to help bridging between systems that > only use the original literal version, rather than the URIs, then we > should ensure that the literal keys are included in the data [4]. > > These are well deployed patterns and, from my experience, make it > really simple and easy to bridge and link between different datasets > and systems. > > Cheers, > > L. > > [1]. http://patterns.dataincubator.org/book/natural-keys.html > [2]. http://patterns.dataincubator.org/book/patterned-uris.html > [3]. http://patterns.dataincubator.org/book/shared-keys.html > [4]. http://patterns.dataincubator.org/book/literal-keys.html > > -- > Leigh Dodds > Programme Manager, Talis Platform > Mobile: 07850 928381 > http://kasabi.com > http://talis.com > > Talis Systems Ltd > 43 Temple Row > Birmingham > B2 5LS >
