Pychinko: a native python rule engine

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\begin{bibtex} @inproceedings{ms-45,

  author = {Yarden Katz and Kendall Clark and Bijan Parsia},
  booktitle = {International python conference 05},
  title = {Pychinko: a native python rule engine},
  url = {http://www.pycon.org},
  year = {2005},

} \end{bibtex}