Probabilistic Reasoning

 

È®·üÃß·Ð (Probabilistic reasoning) : ¿¹¸¦µé¸é º£ÀÌÁî ³×Æ®¿öÅ© (Bayesian Network), Ä«¿À½ºÀÌ·Ð (Chaos theory), À¯Àü¾Ë°í¸®Áò (Genetic Algorithm)

±×µéÀº Lofti A. Zadeh¿¡°Ô ÆÛÁö (Fuzzy)¼ºÀÌ ´Ù¸¥ ¸ð½ÀÀ¸·Î À§ÀåµÈ È®·ü (Probability) °ú ´Ù¸£´Ù´Â °ÍÀ» º¸ÀÏ °ÍÀ» ¿ä±¸ÇÏ¿´´Ù.

´Ù¸¥ ºñÆòÀûÀÎ °üÁ¡À¸·Î´Â ¿ªÀüÆÄ (Back-propagation) ÇнÀÀÌ °ú¿¬ »õ·Î¿î °ÍÀ̾ú³Ä´Â °ÍÀÌ´Ù. ±× ¹®Á¦´Â ´©°¡ Á¦ÀÏ ¸ÕÀú ÀÌ ¾Ë°í¸®ÁòÀ» À¯µµÇß´À³Ä°¡ ¾Æ´Ï¶ó ¾Ë°í¸®ÁòÀÌ ÀÌ¹Ì Á¸ÀçÇß´ø °Í°ú ´Ù¸£³Ä´Â °ÍÀÌ´Ù. È­ÀÌÆ® (H. White) ´Â Backpropagation À» 1950 ³â´ë¿¡ È®·ü ±Ù»ç (stochastic approximation) ·Î ±ÍÂø½ÃÄ×´Ù [WHI89a, WHI89b]. µû¶ó¼­ ÀÌ ¾Ë°í¸®ÁòÀº »õ·Î¿î Á¾·ùÀÇ ÇнÀ ¹æ¹ýÀ» Á¦½ÃÇÏÁö ¸øÇß´Ù. ±× ´ë½Å Backpropagation Àº Åë°èÇÐÀÌ ¿À·¡ÀüºÎÅÍ Å½±¸ÇسõÀº ÃßÁ¤ (estimation) ¹æ¹ýÀ» ±¸ÇöÇÏ´Â °è»êÀûÀ¸·Î È¿°úÀûÀÎ ¹æ¹ýÀ» Á¦½ÃÇß´Ù. ÃÖ±Ù¿¡ (1989) È­ÀÌÆ®´Â Backpropagation ¾Ë°í¸®ÁòÀ» È®·ü ±Ù»çÀÇ ÇÑ Æ¯¼öÇÑ °æ¿ìÀÎ °ÍÀ¸·Î ±ÍÂø½ÃÄ×´Ù.

 

ºÒÈ®½Ç¼º (Uncertainty)   ³í¸® (Logic)    ÀΰøÁö´É (Artificial Intelligence)   Àü¹®°¡½Ã½ºÅÛ (Expert System)   È®·ü (Probability)