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| | Description Logics (Site not responding. Last check: 2007-10-21) |
 | | Description logics are knowledge representation languages tailored for expressing knowledge about concepts and concept hierarchies. |
 | | Each description logic defines also a number of language constructs (such as intersection, union, role quantification, etc.) that can be used to define new concepts and roles. |
 | | Description logic systems have been used for building a variety of applications including conceptual modeling, information integration, query mechanisms, view maintenance, software management systems, planning systems, configuration systems, and natural language understanding. |
| www.ida.liu.se /labs/iislab/people/patla/DL/index.html (266 words) |
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