Cardinality constraints

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  • Collection of similar entities or concepts into a higher level concept. EMPLOYEE class collects all employees into one class A class has properties called “class properties”. EMPLOYEE class has class properties - e.g., average salary, total number of employees. Each member has values for own properties (e.g. name, address, salary): called member properties.

    ppt21p thienthanoze 12-11-2012 13 0   Download

  • Collection of similar entities or concepts into a higher level concept. EMPLOYEE class collects all employees into one class A class has properties called “class properties”. EMPLOYEE class has class properties - e.g., average salary, total number of employees. Each member has values for own properties (e.g. name, address, salary): called member properties.

    ppt28p thienthanoze 12-11-2012 23 0   Download

  • This paper provides a model theoretic semantics to feature terms augmented with set descriptions. We provide constraints to specify HPSG style set descriptions, fixed cardinality set descriptions, set-membership constraints, restricted universal role quantifications, set union, intersection, subset and disjointness. A sound, complete and terminating consistency checking procedure is provided to determine the consistency of any given term in the logic. It is shown that determining consistency of terms is a NP-complete problem. ...

    pdf8p bunmoc_1 20-04-2013 16 1   Download

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