Markov Logic Network (1) - QiitaMarkov Logic Network(MLN) ã¨ã„ã†ãƒ¢ãƒ‡ãƒ«ã«ã¤ã„ã¦å‹‰å¼·ã—ãŸéš›ã®ãƒŽãƒ¼ãƒˆã§ã™ã€‚誤りãŒã‚ã‚‹ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã®ã§ã”注æ„下ã•ã„。ã¨ã‚Šã‚ãˆãšä½¿ã†ç‚ºã«ã¯Alchemyã®ã‚ˆã†ãªã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã‚‚ã‚ã‚Šã¾ã™ã€‚Matthew Richardsonã¨Pedro Domingosã®è«–文をèªã¿ãŸã„ã¨æ€ã„ã¾ã™ã€‚ æ¦‚è¦ Markov Logic Network $L$ ã¨ã¯ 一階述語論ç†ã®è«–ç†å¼ $F_i$ ã¨å®Ÿæ•°å€¤ã®é‡ã¿ $w_i$ ã®çµ„ $(F_i, w_i)$ ã®é›†åˆ ã®äº‹ã€‚例ãˆã°ä¸‹ã®ã‚ˆã†ãªã‚‚ã®ã€‚ $\forall x(\rm{Smokes}(x)\Rightarrow \rm{Cancer}(x)): 1.5$ $\forall x\forall y(\rm{Friends}(x,y)\Rightarrow (\rm{Smokes}(x)\Leftrightarrow\rm{Smokes}(y))
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