Context knowledge modeling method for sharing and reusing context knowledge in context-aware system
First Claim
1. A context knowledge modeling method comprising the steps of:
- a) defining a context knowledge space as a two-dimensional space based on an abstract level and an application domain of knowledge;
b) locating a share ontology as a highest level of the abstract level for defining a common ontology concept at a plurality of applications and services performed in various environment and domains;
c) locating at least one of domain ontologies as a lower abstract level than the share ontology by taking over the ontology concept defined at the share ontology and defining a class and an attribute specialized at a corresponding domain and a developing application; and
d) locating one or more instance bases expressing knowledge about real objects to have a lower abstract level than the domain ontologies.
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Abstract
A context knowledge modeling method is provided. The context knowledge modeling method includes the steps of: a) defining a context knowledge space as a two-dimensional space based on an abstract level and an application domain of knowledge; b) locating a share ontology as a highest level of the abstract level for defining a common ontology concept at a plurality of applications and services performed in various environment and domains; c) locating at least one of domain ontologies as a lower abstract level than the share ontology by taking over the ontology concept defined at the share ontology and defining a class and an attribute specialized at a corresponding domain and a developing application; and d) locating one or more instance bases expressing knowledge about real objects to have a lower abstract level than the domain ontologies.
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Citations
5 Claims
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1. A context knowledge modeling method comprising the steps of:
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a) defining a context knowledge space as a two-dimensional space based on an abstract level and an application domain of knowledge;
b) locating a share ontology as a highest level of the abstract level for defining a common ontology concept at a plurality of applications and services performed in various environment and domains;
c) locating at least one of domain ontologies as a lower abstract level than the share ontology by taking over the ontology concept defined at the share ontology and defining a class and an attribute specialized at a corresponding domain and a developing application; and
d) locating one or more instance bases expressing knowledge about real objects to have a lower abstract level than the domain ontologies. - View Dependent Claims (2, 3, 4)
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5. A context knowledge modeling method comprising the steps of:
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a) defining a category class as a highest level class where the category class is permanent and not capable of providing an identification condition and transferring;
b) defining a type class as a lower level class than other type class or the category class where the type class is permanent and provides an identification condition;
c) defining a phased sortal class as a lower class of the type class where the phase sortal class is impermanent, undependable and is not capable or providing an new global identification condition; and
d) defining a material role class as a lower class of the type class or the phase sortal class where the material role class is impermanent and dependable any conditions.
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Specification