PREFIX : SELECT ?x { :x :p ?x }
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。
SELECT * WHERE {}
PREFIX : SELECT ?x { :x :p ?x . :x :q ?y }
PREFIX xsd: PREFIX : SELECT ?v1 ?v2 WHERE { ?x1 :p ?v1 . ?x2 :p ?v2 . FILTER ( ?v1 = ?v2 ) . }
PREFIX xsd: PREFIX : SELECT ?x WHERE { ?x :p ?v . FILTER ( ?v = :z ) . }
PREFIX xsd: PREFIX : SELECT ?x WHERE { ?x :p ?v . FILTER ( ?v = "zzz" ) . }
PREFIX xsd: PREFIX : SELECT ?x WHERE { ?x :p ?v . FILTER ( ?v = 1.0e0 ) . }
PREFIX xsd: PREFIX : SELECT ?x WHERE { ?x :p ?v . FILTER ( ?v = 1 ) . }
PREFIX xsd: PREFIX : SELECT ?x WHERE { ?x :p ?v . FILTER ( ?v = "1" ) . }
PREFIX xsd: PREFIX : SELECT ?v1 ?v2 WHERE { ?x1 :p ?v1 . ?x2 :p ?v2 . FILTER ( ?v1 != ?v2 ) . }