Parallel Distributed Processing
½Å°æ¸Á (Neural Network) ¿¬±¸¿¡¼ º´·ÄºÐ»êó¸® (Parallel Distributed Processing, PDP) ´Â ¿¬°áÁÖÀÇ (Connectionism) ¿Í °°Àº °³³äÀ¸·Î »ç¿ëµÈ´Ù....
David Rumelhart µîÀº 1986³â¿¡ ÃâÆÇµÈ Àú¼¿¡¼ ¿ªÀüÆÄ (Back-propagation) ¾Ë°í¸®ÁòÀ» ³Î¸® À¯Çà½ÃÄ×´Ù. ÀÌ Ã¥Àº »÷µð¿¡ÀÌ°í¿¡ Àִ Ķ¸®Æ÷´Ï¾Æ ´ëÇÐÀÇ ¿©·¯ ½É¸®ÇÐÀÚµé°ú ÄÄÇ»ÅÍ °ü·Ã ÇÐÀÚµéÀÇ ½Å°æ¸Á °ü·Ã ¿¬±¸µéÀ» ¿ä¾àÇÑ °ÍÀÌ´Ù. ±× ÁÖ¿ä ¸É¹öµé·Î´Â David Rumelhart, James McClelland, Geoffrey L, Elman, Terrence Sejnowski, Paul Smolensky, David Zipser µîÀ» µé ¼ö ÀÖÀ¸¸ç ÀÌ Ã¥Àº ½Å°æ¸Á (Neural Network) ÀÇ »õ·Î¿î ºÕÀ» ÀÏÀ¸Å°´Âµ¥ Å©°Ô ±â¿©Çß´Ù.
PDP ¿¬±¸ÆÀÀº ÀϹÝÈ µ¨Å¸ ±ÔÄ¢ (generalized delta rule) À̶ó°í ºÒ¸®´Â Backpropagation ¾Ë°í¸®ÁòÀ» Á¦¾ÈÇÏ¿´´Âµ¥ ±×°ÍÀº ¹Î½ºÅ°¿Í ÆÄÆÛÆ®°¡ »ó¼¼È÷ ºÐ¼®ÇÑ perceptron ¸ðµ¨ÀÇ Á¦ÇÑÁ¡µéÀ» ±Øº¹ÇßÀ¸¸ç, ÀÌ·Î½á ½Ê¿©³â °£ ħüÇß´ø ½Å°æ¸Á ¿¬±¸¿¡ »õ·Î¿î ÀåÀ» ¿¾ú´Ù.
term :
º´·ÄºÐ»êó¸® (Parallel Distributed Processing) ½Å°æ¸Á (Neural Network) ¿¬°áÁÖÀÇ (Connectionism) ºÐ»ê ÄÄÇ»ÆÃ (Distributed Computing) º´·Ä ÄÄÇ»ÆÃ (Parallel Computing) ÄÄÇ»ÅÍ (Computer) ½´ÆÛ ÄÄÇ»ÅÍ (Supercomputer)
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paper :
Parallel Distributed Processing: Explorations in the Microstructure of Cognition, Volumes 1 and 2. Cambridge, MA: MIT Press. 1986 : David Rumelhart James McClelland
º´·ÄºÐ»êó¸® : Philip N. Johnson-Laird
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