| Racer System |
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| CATEGORIES ABOUT RACER SYSTEM | |
| knowledge representation | |
RACER supports the specification of general Terminological Axiom s. A TBox may contain General Concept Inclusion s (GCIs), which state the subsumption relation between two Concept Term s. Multiple definitions or even cyclic definitions of concepts can be handled by RACER. RACER implements the HTTP -based quasi-standard DIG for interconnecting DL systems with interfaces and applications using an XML -based protocol. RACER also implements most of the functions specified in the older Knowledge Representation System Specification ( KRSS ). The RACER system has been initially developed by researchers of the University Of Hamburg . The authors now work at the Hamburg University of Technology , Germany, and Concordia University , Canada. Since the summer of 2005 the system is developed, maintained and supported by Racer Systems, a Hamburg, Germany based company. To indicate the advantages of the commercial version the product is now called RacerPro. RacerPro is available on a wide variety of computing platforms with a selection of license options for single users, client-server applications or for use at a campus/site. Prices start at about thousand Euro. For individuals working at a university or school an academic but time-limited license (180 days) is available for free. Students can get a free license of the RacerPro system for their diploma or Ph.D. thesis. SEE ALSO REFERENCES EXTERNAL LINKS
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