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Descripton Format of Knowledge Activities - OKAR


Descripton Format of Knowledge Activities - OKAR


What is OKAR?
OKAR (Ontology for Knowledge Activity Resources) is a format to describe knowledge activity information. Fujitsu Laboratories and Ricoh have jointly developed the format using Semantic Web technology, the base technology for the next generation Web. The goal of OKAR is to support improved productivity and knowledge creation in the office.

Merits of OKAR
  • Shared information of knowledge activity based on various systems and equipment
  • Automatic information storage of knowledge activity
  • Sharing of knowledge among organizations
OKAR provides:
  • Descriptions of knowledge activities
    OKAR codes basic information and the interrelationships between "people" and "things" that appear to be common to various work activities.
  • Integration with heterogeneous systems and information equipment
    OKAR enables storage of information from heterogeneous systems and equipment and relates them mutually, since it is defined using Web Ontology Language (OWL).
  • Exchanging knowledge activity metadata between different companies
    OKAR enables the exchanging of knowledge activity metadata between different companies by supporting integration with various systems and describing information that commonly appears in various knowledge activities.


Information about OKAR
Please visit the following links to get the detailed information about OKAR.
* OKAR ver 0.92 2005-06-30(PDF: 119KB)
* OKAR Guide (DRAFT) (PDF) 2005-03-31 (PDF: 454KB)
* OKAR Sample download (ZIP: 9KB)
Old Version
* OKAR ver 0.91 2005-03-30(PDF: 119KB)
* OKAR Guide (DRAFT) (PDF) 2005-02-01(PDF: 434KB)
Contact Address
To aid further development, comments related to OKAR are welcome. If you are interested in OKAR, please contact us at the following address:

okar-question@src.ricoh.co.jp OKAR Working Group.
(Your mail will be delivered to members of OKAR Working Group at Fujitsu Laboratories and Ricoh.)
We will use your comments for research on description of knowledge activities.
We will not use them for other purposes.


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