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Issues with XML schemas in SPARQL Query Results XML Format Recommendation from John Walker on 2018-09-05 (public-sparql-dev@w3.org from July to September 2018)
Issues with XML schemas in SPARQL Query Results XML Format Recommendation
- From: John Walker <john.walker@semaku.com>
- Date: Wed, 5 Sep 2018 13:03:12 +0000
- To: "public-sparql-dev@w3.org" <public-sparql-dev@w3.org>
- Message-ID: <HE1PR0202MB2938B1E0C3631B4C265CECFD9A020@HE1PR0202MB2938.eurprd02.prod.outlook.>
Hi, There are a couple of issues regarding XML Schemas in SPARQL Query Results XML Format Recommendation [1]. Firstly the method used to reference the XML Schema xsi:schemaLocation shown in the recommendation is incorrect. Pairs of URIs must be used to relate a namespace to the schema location: <?xml version="1.0"?> <sparql xmlns="https://www.w3.org/2005/sparql-results#" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://www.w3.org/2005/sparql-results# https://www.w3.org/2007/SPARQL/result.xsd"> ... </sparql> Secondly the namespace defined in the recommendation (https://www.w3.org/2005/sparql-results#) is different from the one used in the various schemas (https://www.w3.org/2007/SPARQL/results#). As a result, the SPARQL Results Document XML will never validate using the schemas. The namespaces need to be aligned either by changing the recommendation (probably hard) or updating the schemas (probably easier). [1] https://www.w3.org/TR/2013/REC-rdf-sparql-XMLres-20130321/#schemas Regards, John Walker Principal Consultant & co-founder Semaku B.V. | Torenallee 20 (SFJ 3D) | 5617 BC Eindhoven | T +31 6 42590072 | https://semaku.com/ KvK: 58031405 | BTW: NL852842156B01 | IBAN: NL94 INGB 0008 3219 95
Received on Wednesday, 5 September 2018 13:03:45 UTC