Science frequently works by people making connections between related (or even apparently unrelated) concepts or data. There are many ways of helping people make these connections – attending a conference or seminar, searching journals for published articles and nowadays also searching for data are just a few examples. For about 20 years now, one technology which has been helping to enable such discoveries is what are called “Persistent IDentifiers” or PIDs. These are unique labels which can be attached to a (scientific) object such as a journal article, a dataset or a researcher. The PIDs for the first two examples have become better known as DOIs (digital object identifier), the last is known as an ORCID. The PID is registered with a registration authority. Two of the oldest and best known authorities are CrossRef for journal articles, funders (etc) and DataCite, who specialise in citable identifiers for data. The registration process includes creating and adding a metadata record to the PID, the record is then indexed and can then be used for searching for the objects. The terms of these metadata records are carefully controlled to use specified and standardised vocabularies to describe the objects (one current initiative in chemistry in this area is described here[1]).
The PID “ecosystem” is constantly expanding and a recent addition is the ROR registration authority. This issues PIDs for research organisations, so that one can then easily associate a scientific object with the organisation where the research was conducted. The initial focus for ROR PIDs was the traditional forms of organisation such as a university and company research labs. Here I tell about how a rather different type of organisation came to have its own ROR, the “World Association of Theoretical and Computational Chemists” or WATOC. The aims of WATOC are primarily to hold triennial congresses to promote scientific exchange and to help researchers make those connections through presentations, posters and numerous coffee breaks!
Last July, the proposal for creating a ROR for WATOC was accepted by its decision making body and can now be announced as https://ror.org/04rp40h82, where 04rp40h82 is the unique WATOC identifier. The prefix https://ror.org/ is called the “resolver”, which in turn allows access to the associated metadata record via an API. That record in turn includes a link to the organisation, similar to links to journal articles as specified by a DOI.
It is now time to show some examples of how the WATOC ROR can actually be used.
The ROR PID can also be used for inclusion in metadata records describing datasets. This is one such search, now of the DataCite metadata store:
https://commons.datacite.org/doi.org?query=((contributors.affiliation.affiliationIdentifier:*04rp40h82)+AND+(contributors.affiliation.affiliationIdentifierScheme:ROR))+OR+((creators.affiliation.affiliationIdentifier:*04rp40h82)+AND+(creators.affiliation.affiliationIdentifierScheme:ROR))
Note the somewhat more complex logic being used, in part because a dataset can be “created” by a named person but also can be “contributed to” and one should really search for both possibilities.
One can also combine two different identifiers, namely an organisational ROR and a researcher ORCID into a single query:
https://commons.datacite.org/?query=((creators.affiliation.affiliationIdentifier:*04rp40h82)+OR+(contributors.affiliation.affiliationIdentifier:*04rp40h82))+AND+(contributors.nameIdentifiers.nameIdentifier:*0000-0002-8635-8390)
There are many more combinations of searches that can be constructed using other types of identifiers.[3]
Way back in January 1994, WATOC was one of the very first chemical-science based organisations to have its own web page. Now it is leading the way in acquiring and deploying its very own persistent identifier in the form of a ROR. One might hope that many more such organisations acquire one soon.
The DOI for this post is 10.14469/hpc/12363
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