@inproceedings {425, title = {Probabilistic Diagnostics With P-graphs}, booktitle = {Proc. of CSCS2002, The Third Conference of Phd Students in Computer Science}, year = {2002}, month = {2002}, pages = {82 - }, author = {Bal{\'a}zs Polg{\'a}r and Endre Sel{\'e}nyi} }