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SPARQL Tips: Difference between revisions
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(Created page with "== PREFIXES == ''in Wikidata prefixes don't need to be specified explicitly in SPARQL queries''. However, in our Wikibase.cloud instance, prefixes must be explicitly stated, as [https://kbtestwikibase.wikibase.cloud/wiki/Project:SPARQL/examples#Federated_querying:_mixing_data_from_this_Wikibase_with_data_from_Wikidata this example] shows. Please note and mind the distinction between PREFIX kbwdt, kbwd, wdt and wd.<BR> <sparql list="1" tryit="1"> PREFIX rlwd: <https://ri...") |
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== | == Prefixes == | ||
''in Wikidata prefixes don't need to be specified explicitly in SPARQL queries''. However, in our Wikibase.cloud instance, prefixes must be explicitly stated, as [https://kbtestwikibase.wikibase.cloud/wiki/Project:SPARQL/examples#Federated_querying:_mixing_data_from_this_Wikibase_with_data_from_Wikidata this example] shows. Please note and mind the distinction between PREFIX kbwdt, kbwd, wdt and wd.<BR> | ''in Wikidata prefixes don't need to be specified explicitly in SPARQL queries''. However, in our Wikibase.cloud instance, prefixes must be explicitly stated, as [https://kbtestwikibase.wikibase.cloud/wiki/Project:SPARQL/examples#Federated_querying:_mixing_data_from_this_Wikibase_with_data_from_Wikidata this example] shows. Please note and mind the distinction between PREFIX kbwdt, kbwd, wdt and wd.<BR> | ||
<sparql list="1" tryit="1"> | <sparql list="1" tryit="1"> | ||
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} | } | ||
</sparql> | </sparql> | ||
== Highlighting and color-coding SPARQL query == | |||
ISSUE: ''the Wikidata [https://www.wikidata.org/wiki/Template:SPARQL SPARQL template] for query syntax highlighting is not implemented in this Wikibase''. | |||
: SOLUTION: Instead one must use a ''<nowiki><sparql tryit="1">...</sparql></nowiki>'' wrapper, as demonstrated [https://kbtestwikibase.wikibase.cloud/w/index.php?title=Project:SPARQL/examples&action=submit in this example]. Look example above<br> | |||