 OWL lite的表达能力
看文献“From SHIQ and RDF to OWL: The Making of Web Ontology Language, Ian Horrocks" 时，有个地方不懂，哪位可以解释一下？
Although OWL Lite syntax is more restricted than that of OWL DL it is still possible to express complex descriptions by introducing new class names and
exploiting the implicit negations introduced by disjointness axioms.
Using these techniques, all OWL DL descriptions can be captured in OWL Lite except those containing either individual names or cardinalities greater than 1.
但通过引入具名类以及？？？，同OWL DL相比，OWL Lite能够进行除个体以及不等于0或1的属性数量约束之外的任何复杂表达
不知implicit negations introduced by disjointness axioms是指什么？
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2006/7/25 9:27:00
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