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The CHIL Ontology


The CHIL software environment comprises a plethora of Perceptual Components, which are based on image- and speech recognition technologies. CHIL services define several different scenarios such as meetings or other human-to-human interactions. For the CHIL project, an ontology is being developed to provide a high level description of the CHIL domain of discourse that can be used to build intelligent applications. It is based upon the W3C specification of the Web Ontology Language OWL.

The Full CHIL Ontology is being devised by defining the relevant concepts of the CHIL domain and using these concepts to specify properties of objects and individuals occurring in the domain. The ontology already covers the most prominent CHIL scenarios and is constantly being extended to become the common vocabulary for a broad range of multimodal applications. As of today, “intelligent” refers to the ability to automatically infer implicit consequences from explicitly represented knowledge. Leveraging the expressiveness of the Web Ontology Language OWL, the CHIL Ontology provides a description of the CHIL world that can be efficiently used to build intelligent applications.

The CHIL Ontology Fragment is a small excerpt of the Full CHIL Ontology with minor changes, mainly used for smart room description and perceptual component management. It is mainly used to speed up development with a lean module that only contains those parts of the full ontology that are vital for our current areas of development.

Sources and Documentation

You may want to browse through the CHIL ontology modules and related resources which are listed separatedly on our subversion server.

CHIL Ontology Fragment class hierarchy
Fig. 1: Class Hierarchy of the CHIL Ontology Fragment (as of March 14th, 2012)

Fig. 1 shows the class hierarchy of the CHIL Ontology Fragment, a slightly modified excerpt from the Full CHIL Ontology, which we are currently using for building perceptual component registry, management, and retrieval.

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