PREFIX xsd: PREFIX : SELECT ?v1 ?v2 WHERE { ?x1 :p ?v1 . ?x2 :p ?v2 . FILTER ( ?v1 != ?v2 ) . }
Train+Schedule+Query 源代码
汇集 Train+Schedule+Query 相关的电路原理图、PCB工程文件、单片机/FPGA源代码、数据手册与应用设计方案。
PREFIX xsd: PREFIX : SELECT * { :x ?p ?v . FILTER ( ?v != true ) }
PREFIX xsd: PREFIX : SELECT * { :x ?p ?v . FILTER ( ! (?v != true ) ) }
PREFIX xsd: PREFIX : SELECT * { :x ?p ?v . FILTER ( ?v = false ) }
PREFIX xsd: PREFIX : SELECT * { :x ?p ?v . FILTER ( ! (?v = true ) ) }
PREFIX xsd: PREFIX : SELECT * { :x ?p ?v . FILTER ( ?v = true ) }
PREFIX xsd: PREFIX : SELECT ?a WHERE { ?a :p ?v . FILTER ("true"^^xsd:boolean && ?v) . }
PREFIX xsd: PREFIX : SELECT ?a ?w WHERE { ?a :p ?v . OPTIONAL { ?a :q ?w } . FILTER ( ! ?w )…
PREFIX xsd: PREFIX : SELECT ?a WHERE { ?a :p ?v . FILTER ("false"^^xsd:boolean || ?v) . }
PREFIX xsd: PREFIX : SELECT ?a WHERE { ?a :p ?v . OPTIONAL { ?a :q ?w } . FILTER (?w) . …