toukei12.dvi2004 52 2 393–405 c �2004 1 2 3 2004 2 27 2004 6 29 1980 Pearl 1. Lauritzen and Spiegelhalter 1988 , Jordan 1999 Pearl 1988 Belief Propagation Bethe Kabashima and Saad 1998 Gallager 1962 , MacKay 1999 Berrou et al. 1993 , McEliece et al. 1998 MCMC 1 106–8569 4–6–7 2 192–0397 1–1 3 351–0198 2–1 394 52 2 2004 1993 , Amari and Nagaoka 2000 Ikeda et al. 2002 2002 Tanaka et al. 2002 Ikeda et al. 2003,
