| Gehel added a comment. |
In T178492#3754772, @Lydia_Pintscher wrote:In T178492#3725811, @Gehel wrote:
- I have heard WDQS mentioned in the context of structured data on commons, but I have no idea how it is going to be used. If anyone has a pointer to some documentation / discussion, please let me know.
We will have a lot of structured data on Commons in the same way/format as it currently exists on Wikidata. We will want to provide people with the ability to search/query for media files on Commons based on the statements on these files. People will also want to combine the data on Commons and Wikidata in queries. To make this all work we'll want to load that data into WDQS as well (or set up a separate query service but iirc Stas said no and I can see the benefits of not doing it.) I am not sure we are much farther in planning than this.
As I understand, this will allow users to run queries in fairly controlled way, not to run arbitrary SPARQL queries. This means that we can probably fairly easily ensure that those queries have a reasonable cost and don't endanger the "controlled" WDQS cluster. As I understand it, this pattern is similar to what we do with any MySQL backed service, we don't allow random SQL, but we take input from users and inject it in known queries.
I'm not too worried about the additional data at this point (we have more head room on storage space than we have on computational resources).
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