（1） 熟悉描述逻辑的基本语法，并掌握利用描述逻辑进行知识表示的方法。 （2） 了解描述逻辑的简单推理。

（1）回顾了解XML语法； （2）理解语义网资源描述语言； （3）掌握RDF(S)的使用。 1.Consider the following RDF document: 2.Write down the modeled list authors of this book from following RDF graph in Turtle syntax. 3.Write the following Turtle triple in RDF/XML syntax: :Person rdfs:comment "Represents the set of all people."^^ xsd:string . Represent the following sentences graphically by means of reified triples: Romeo thought that Juliet was dead. John believes that Mary wants to marry him. The dwarf noticed that somebody had been eating from his plate.

（1）理解语义网资源描述语言； （2）掌握RDF(S)的使用。 1.Translate the culinary-allergic example ontology presented in follow into RDF/XML syntax. 2.Decide whether the following propositions can be satisfactorily modeled in RDFS and, if so, give the corresponding RDF(S) specification.  Every pizza is a meal. 3.Model the following sentences in XML: Mary is a woman. 4.Model the sentences from Exercise 3 in RDF graph.