问题描述
SELECT ?language (COUNT (?lexeme) as ?lexemeCount) {
?lexeme dct:language ?language .
}
GROUP BY ?language
但是,我想不起来如何为语言实体URI添加语言标签(而不是与语言URI一起使用)。此操作因Wikidata上的超时异常而失败:
SELECT ?languageLabel (COUNT (?lexeme) as ?lexemeCount) {
?lexeme dct:language ?language .
SERVICE wikibase:label {
bd:serviceParam wikibase:language "en".
}
}
GROUP BY ?languageLabel
这也是如此:
SELECT ?languageLabel (COUNT (?lexeme) as ?lexemeCount) {
?lexeme dct:language ?language .
?language rdfs:label ?languageLabel .
FILTER(lang(?languageLabel) = 'en') .
}
GROUP BY ?languageLabel
解决方法
将a comment转换为社区Wiki答案:
SELECT ?languageLabel ?lexemeCount {
{
SELECT ?language (COUNT (?lexeme) AS ?lexemeCount) {
?lexeme dct:language ?language
}
GROUP BY ?language
}
SERVICE wikibase:label {
bd:serviceParam wikibase:language "en"
}
}