Retrieve responses from Wikidata Query Service (WDQS). Uses a rate limiter if param limitRequester = TRUE.
w_query(sparql_query, format = "csv", method = "GET", limitRequester = FALSE)The response in selected format or NULL on errors.
A string with the query in SPARQL language.
A string with the query response format. Mandatory. See https://www.mediawiki.org/wiki/Wikidata_Query_Service/User_Manual#SPARQL_endpoint. Only 'json', 'xml' or 'csv' formats are allowed, default 'csv'.
The method used in the httr request, GET or POST, mandatory. Default 'GET'.
If True, uses a rate limiter to limit the requests.
Angel Zazo, Department of Computer Science and Automatics, University of Salamanca