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Re: [dxwg] Use Case: Negotiation by Coordinate Reference System

From: Annette Greiner via GitHub <sysbot+gh@w3.org>
Date: Thu, 16 Aug 2018 01:27:41 +0000
To: public-dxwg-wg@w3.org
Message-ID: <issue_comment.created-413392763-1534382860-sysbot+gh@w3.org>
Sorry this is so late after the question was asked (I've been on vacation), but @larsgsvensson was wondering what I meant when I said that there is no capability for reasoning about combinations of q values. What I mean to point out is that every dimension that is negotiated in conneg is treated separately, so it is impossible to make requests along the lines of "I prefer data that conforms to DCAT-AP.DE if the language is German but I prefer data that conforms to DCAT-AP if the language is Italian" or "I want this CRS at the 1:100 scale and a different CRS at the 1:50000 scale." The more things that get moved into conneg, the more requests are limited to considering all those dimensions independently. Browsing becomes even more complex when you consider that certain bits of data may be entirely missing because of a profile choice. A user might prefer data in a certain profile generally but prefer a different profile if taking their usual first choice means that certain fields that are key for a particular request are missing.

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Received on Thursday, 16 August 2018 01:27:43 UTC

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