support of owl:maxQualifiedCardinality and owl:minQualifiedCardinality restrictions by APACHE Jena Ont model
来源： https://stackoverflow.com/questions/48684076/support-of-owlmaxqualifiedcardinality-and-owlminqualifiedcardinality-restricti
jena
How to find the Polygons Intersection inside Apache Fuseki Server?
问题 I am using Apache Jena Fuseki Server for Storing Geo Coordinates of location. How to find out that if two polygons or two rectangles intersect each other inside Fuseki. Please share links related to it if possible. Thank you. 来源： https://stackoverflow.com/questions/61187841/how-to-find-the-polygons-intersection-inside-apache-fuseki-server
How to find the Polygons Intersection inside Apache Fuseki Server?
问题 I am using Apache Jena Fuseki Server for Storing Geo Coordinates of location. How to find out that if two polygons or two rectangles intersect each other inside Fuseki. Please share links related to it if possible. Thank you. 来源： https://stackoverflow.com/questions/61187841/how-to-find-the-polygons-intersection-inside-apache-fuseki-server
How to find the Polygons Intersection inside Apache Fuseki Server?
问题 I am using Apache Jena Fuseki Server for Storing Geo Coordinates of location. How to find out that if two polygons or two rectangles intersect each other inside Fuseki. Please share links related to it if possible. Thank you. 来源： https://stackoverflow.com/questions/61187841/how-to-find-the-polygons-intersection-inside-apache-fuseki-server
Problems to read a owl ontology using Jena
问题 I'm trying to a read a owl ontology using Jena. The ontology was created in Protégé. This is (part of) my original .owl file (some terms are in Portuguese): <?xml version="1.0"?> <!DOCTYPE Ontology [ <!ENTITY xsd "http://www.w3.org/2001/XMLSchema#" > <!ENTITY xml "http://www.w3.org/XML/1998/namespace" > <!ENTITY rdfs "http://www.w3.org/2000/01/rdf-schema#" > <!ENTITY rdf "http://www.w3.org/1999/02/22-rdf-syntax-ns#" > ]> <Ontology xmlns="http://www.w3.org/2002/07/owl#" xml:base="http://james
Problems to read a owl ontology using Jena
问题 I'm trying to a read a owl ontology using Jena. The ontology was created in Protégé. This is (part of) my original .owl file (some terms are in Portuguese): <?xml version="1.0"?> <!DOCTYPE Ontology [ <!ENTITY xsd "http://www.w3.org/2001/XMLSchema#" > <!ENTITY xml "http://www.w3.org/XML/1998/namespace" > <!ENTITY rdfs "http://www.w3.org/2000/01/rdf-schema#" > <!ENTITY rdf "http://www.w3.org/1999/02/22-rdf-syntax-ns#" > ]> <Ontology xmlns="http://www.w3.org/2002/07/owl#" xml:base="http://james
jena处理Owl
创建Owl模型，参数可以制定那种形式的推理机，比如owl dl： OntModel m=ModelFactory.createOntologyModel(); OntModel m=ModelFactory.createOntologyModel(OntModelSpec.OWL_DL_MEM); OntModelSpec Language profile Storage model Reasoner OWL_MEM OWL full in-memory none OWL_MEM_TRANS_INF OWL full in-memory transitive class-hierarchy inference OWL_MEM_RULE_INF OWL full in-memory rule-based reasoner with OWL rules OWL_MEM_MICRO_RULE_INF OWL full in-memory optimised rule-based reasoner with OWL rules OWL_MEM_MINI_RULE_INF OWL full in-memory rule-based reasoner with subset of OWL rules OWL_DL_MEM OWL DL in-memory none OWL_DL_MEM
jena处理Owl
创建Owl模型，参数可以制定那种形式的推理机，比如owl dl： OntModel m=ModelFactory.createOntologyModel(); OntModel m=ModelFactory.createOntologyModel(OntModelSpec.OWL_DL_MEM); OntModelSpec Language profile Storage model Reasoner OWL_MEM OWL full in-memory none OWL_MEM_TRANS_INF OWL full in-memory transitive class-hierarchy inference OWL_MEM_RULE_INF OWL full in-memory rule-based reasoner with OWL rules OWL_MEM_MICRO_RULE_INF OWL full in-memory optimised rule-based reasoner with OWL rules OWL_MEM_MINI_RULE_INF OWL full in-memory rule-based reasoner with subset of OWL rules OWL_DL_MEM OWL DL in-memory none OWL_DL_MEM
configure fuseki with TDB2 and OWL Reasoner
问题 New to fuseki/jena here. I managed to get fuseki to run with OWLFBRuleReasoner using tdb1 no problem, but can't make it work with tdb2 (http://jena.apache.org/2016/tdb#). I could not find an explicit example of configuration that uses both TDB2 and OWLFBRuleReasoner, so I just converted this one (that works) @prefix : <http://base/#> . @prefix tdb: <http://jena.hpl.hp.com/2008/tdb#> . @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . @prefix ja: <http://jena.hpl.hp.com/2005/11
java知识点 --- 类加载器
一、什么是类的加载机制 虚拟机把描述类的数据从Class文件加载到内存，并对数据进行校验、转换解析和初始化，最终形成可以被虚拟机直接使用的Java类型，这就是虚拟机的类加载机制。 类的加载指的是将类从“.java”代码文件编译成的“.class”字节码文件中的二进制数据读入到内存中，将其放在运行时数据区的方法区内，然后在堆区（HotSpot虚拟机在方法区中）创建一个 java.lang.Class 对象，用来封装类在方法区内的数据结构。类的加载的最终产品是位于堆区中的 Class 对象， Class 对象封装了类在方法区内的数据结构，并且向Java程序员提供了访问方法区内的数据结构的接口。 一般情况在你的代码中用到这个类的时候，才会加载这个类，但是类加载器并不需要等到某个类被“首次主动使用”时再加载它，JVM规范允许类加载器在预料某个类将要被使用时就预先加载它，如果在预先加载的过程中遇到了.class文件缺失或存在错误，类加载器必须在程序首次主动使用该类时才报告错误（LinkageError错误）如果这个类一直没有被程序主动使用，那么类加载器就不会报告错误。 二、类的生命周期 类从被加载到虚拟机内存中开始，到卸载出内存为止，它的整个生命周期包括： 加载（Loading）、验证（Verification）、准备（Preparation）、解析（Resolution）