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»Æà (Distributed Computing)     º´·Ä ÄÄÇ»Æà (Parallel Computing)    ÄÄÇ»ÅÍ (Computer)    ½´ÆÛ ÄÄÇ»ÅÍ (Supercomputer)     

site :

Wikipedia : Connectionism

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

video :