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Creating mappings for RDF/JSON based on values of multiple columns

From: Tandy, Jeremy <jeremy.tandy@metoffice.gov.uk>
Date: Wed, 8 Oct 2014 09:35:11 +0000
To: W3C CSV on the Web Working Group <public-csv-wg@w3.org>
Message-ID: <2624871D9A05174691BD59F8EFD68AE208892289@EXXCMPD1DAG3.cmpd1.metoffice.gov.uk>
Hi - 

Based on the [historical weather observations example][1] I am working on, I've come across a difficulty.

The CSV has two columns `yyyy` and `mm` representing year and month relating to a given monthly observation record; e.g. 


I want to map the values of `yyyy` and `mm` into a single target; in this case an object representing the target month (expressed using the scheme from reference.gov.uk), e.g.

_:b1 sdmx:refPeriod <http://reference.data.gov.uk/id/gregorian-interval/1978-09-01T00:00:00/P1M> .

I don't want to create triples for the `yyyy` and `mm` properties at all - only the aggregated property for `sdmx:refPeriod`.

(this overlaps a little with [Dan's email about RML capabilities][2] ... in my case I am trying to steer clear of external templating).

Any ideas?

Thanks, Jeremy

[1]: https://github.com/w3c/csvw/tree/gh-pages/experiments/historical-weather-observation-dataset 
[2]: http://lists.w3.org/Archives/Public/public-csv-wg/2014Oct/0015.html 
Received on Wednesday, 8 October 2014 09:35:41 UTC

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