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FaCT++ is an efficient Description Logic reasoner compatible with OWL DL and OWL 2
  
  
  
  
    

Summary

FaCT++ is a DL reasoner. It supports OWL DL as well as the forthcoming standard OWL 1.1

The latest available version is 1.1.11, released 28 March 2008.

FaCT++ is implemented in C++ and uses optimised tableaux algorithms.

Release History

Version Date Comment
1.1.11 28 March 2008 Bug-fix release, some speedups in ABox reasoning
1.1.10 30 November 2007 Bug-fix release
1.1.9 04 October 2007 Bug-fix release; floating point datatypes now supported
1.1.8 12 July 2007 Bug-fix release, improve performance
1.1.7 11 May 2007 Bug-fix release
1.1.6 30 April 2007 Bug-fixes, prepare the movement to Google Code.
1.1.5 12 March 2007 Bug-fix release.
1.1.4 07 December 2006 SROIQ logic (OWL 1.1) is supported now.
1.1.3 05 April 2006 Bug-fixes, stability improvements.
1.1.2 08 March 2006 Bug-fix release.
1.1.1 20 February 2006 Improve performance.
1.1.0 16 January 2006 DataTypes (like String and Integer) support added.
1.0.0 17 November 2005 Reasoning in SHOIQ (a.k.a. OWL DL) is supported.