Thanks for the explanations - that sounds very sensible. I think this could be very useful for the OpenRefine reconciliation interface (fetching non-trivial property paths is currently quite inefficient).
Antonin On 02/03/2018 18:36, Thomas Pellissier Tanon wrote: >> This looks similar to https://github.com/seansay/wikidata-graphql > > Indeed. > >> What are differences? I guess various choices have to be made to map the >> Wikibase datamodel to GraphQL, so there is room for many variations on the >> same theme :) > > Yes, indeed. The major differences are: > 1. tptools/graphql provides all Wikibase DataModel features without > simplifications (e.g. you get reference hashes, time calendars...) > 2. tptools/graphql does not use property labels but Pids to identify > properties. It has the advantage of being more stable (no change introduced > if a property label is changed in Wikidata) and making the GraphQL schema > independent of which properties actually exist and what are their datatypes. > 3. tptools/graphql is written in PHP to see if it would be possible to > implement a GraphQL frontend as part of the current MediaWiki codebase. > 4. tptools/graphql provides a way to call SPARQL from GraphQL. > > Cheers, > > Thomas > >> Le 2 mars 2018 à 19:17, Antonin Delpeuch (lists) <li...@antonin.delpeuch.eu> >> a écrit : >> >> Nice! This looks similar to >> https://github.com/seansay/wikidata-graphql >> >> What are differences? I guess various choices have to be made to map the >> Wikibase datamodel to GraphQL, so there is room for many variations on >> the same theme :) >> >> Antonin >> >> On 02/03/2018 18:01, Thomas Pellissier Tanon wrote: >>> Dear all, >>> >>> I have hacked a prototype of GraphQL endpoint on top of the Wikidata API. >>> >>> GraphQL is is a simple query language design for complex data retrieval >>> (e.g. "give me the item QXXXX and retrieve all the P20 statements with, for >>> their main snak value, the label in english and the sitelink to the French >>> Wikipedia"). Compared to SPARQL it aims less at finding pieces of data >>> matching different criteria than at retrieving complex representation of >>> known elements. Its official website with tutorials is here: >>> http://graphql.org/ >>> >>> It is deployed on Toolsforge. The query editor is here: >>> https://tools.wmflabs.org/tptools/wdql.html and the endpoint here: >>> https://tools.wmflabs.org/tptools/wdql.php >>> >>> A first example: A query that returns for the item about "Jean-François >>> Champollion" (Q260) its label in English, its description in French, its >>> aliases in French, its sitelink to ruwiki with the English label of its >>> badges, and for its death place (P20) statement the main snak value id and >>> English label and some data about references and qualifiers. >>> This query could be executed using the demo instance using this link: >>> https://tinyurl.com/y9d6caen (click on the ">" at the top of the UI to >>> execute the query). >>> >>> More details and examples are available here: >>> https://phabricator.wikimedia.org/T173214 (with a query that calls SPARQL >>> from GraphQL!). >>> The implementation is currently slow but provides most of the basic >>> features required to retrieve Wikidata content. I do not have any proper >>> demo yet of Wikidata editing using GraphQL mutations. >>> >>> Feedbacks are more than welcome on the Phabricator tickets: >>> https://phabricator.wikimedia.org/T173214 >>> >>> Cheers, >>> >>> Thomas >>> >>> >>> >>> _______________________________________________ >>> Wikidata mailing list >>> Wikidata@lists.wikimedia.org >>> https://lists.wikimedia.org/mailman/listinfo/wikidata >>> >> >> >> _______________________________________________ >> Wikidata mailing list >> Wikidata@lists.wikimedia.org >> https://lists.wikimedia.org/mailman/listinfo/wikidata > > > > _______________________________________________ > Wikidata mailing list > Wikidata@lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/wikidata >
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