Attempto controlled English as a semantic web language by Kaarel Kaljurand

By Kaarel Kaljurand

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For example, properties that have been defined via property chains cannot be used in cardinality restrictions. Those rules achieve that certain reasoning tasks on OWL ontologies remain decidable. g. label and annotate axioms and entities, express version information, import other ontologies, and deprecate some statements, all in the same ontology language. g. sharing the ontologies and displaying them in ontology editors. 3 Various alternative OWL syntaxes Several alternative syntaxes have been developed for OWL in order to account for different usages and requirements.

G. Every C is a D.. 4 are respected. e. the mapping from OWL to ACE) must result in an understandable and acceptable English. We consider the fulfillment of this requirement guaranteed by the ACE design decisions. Furthermore, in the verbalization direction, we use ACE constructs, such as relative clauses, which provide conciseness, and in order to increase readability, we also try to avoid anaphoric references. ”. g. parentheses, ∃, ∀, ) must be used in the verbalization, because such words/symbols are specific to the domain of logic and are not common in everyday language.

N}, i = j Ri , for each i, j ∈ Dis(Ri , R j ), for each i, j ∈ {1, . . , n}, i = j ∃R C ∃ R− C R S− and S− R ≤ 1R ≤ 1R− ∃ R SELF ¬(∃ R SELF) R R− Dis(R, R− ) R◦R R a :C (a, b) : R (a, b) : ¬R ai = a j , for each i, j ∈ {1, . . , n}, i = j ai = a j , for each i, j ∈ {1, . . 1 Functional-Style Syntax with DL-notation. C, D, C1 , . . , Cn are class descriptions; S, R, R1 , . . , Rn are property descriptions; and a, b, a1 , . . , an are named individuals. 41 man to the complex (and anonymous) class description ∃ own car.

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