1970~1980

 
1971
Kenneth Colby °¡ ÆíÁýÁõ (paranoid) Ä¡·á¸¦ À§ÇÑ ÄÄÇ»ÅÍ ½Ã¹Ä·¹ÀÌ¼Ç PARRY ¸¦ ¸¸µé´Ù.
Nils J.Nilsson °ú Richard Fikes ´Â ÃÖÃÊÀÇ °èȹ½Ã½ºÅÛ (Planning system) ÀÎ STRIPS ¸¦ °³¹ßÇÏ´Ù. ("STRIPS: A New Approach to the Application of Theorem Proving to Problem Solving,")
DARPA (Defense Advanced Research Projects Agency) ¿¡¼­ ±¸¾î ÀÌÇØ (Spoken Language Understanding) ¸¦ À§ÇÑ SUR (Speech Understanding Research) projects¸¦ ½ÃÀÛÇÏ´Ù. ±×°ÍÀº HEARSAY, HARPY, HWIM ÇÁ·Î±×·¥ÀÇ µîÀåÀ» ¿¹°íÇÏ´Â °ÍÀÌ´Ù.
ÃÖÃÊÀÇ microprocessor (Intel 8008) °¡ ¹Ì±¹¿¡¼­ µîÀåÇÏ´Ù.
ÃÖÃÊÀÇ Æ÷ÄÏ¿ë °è»ê±â (Poketronic) °¡ ³ª¿À´Ù.
ÇÁ·Î±×·¥ ¾ð¾î Pascal ÀÌ µîÀåÇÏ´Ù.
1972
Edward H. Shortliffe (Stanford ÀÇÇйڻç, Bruce Buchanan Áöµµ) ¿Í µ¿·áµéÀÌ MYCIN À» ¸¸µé´Ù. °¨¿°¼º Ç÷¾× ÁúȯÀ» Áø´ÜÇÏ°í, ȯÀÚ Ã¼Áß¿¡ µû¶ó Ç×»ýÁ¦¸¦ ó¹æÇÏ´Â Àü¹®°¡½Ã½ºÅÛÀÌ´Ù. ±×µéÀº ¶ÇÇÑ rule µéÀÌ ¾î¶»°Ô Àû¿ëµÇ´ÂÁö¿¡ ´ëÇÑ ·ÎÁ÷À» Æ÷ÇÔÇÏ´Â Ãß·Ð ¿£ÁøÀ» Áö´Ñ ÃÖÃÊÀÇ Àü¹®°¡½Ã½ºÅÛ shell EMYCIN À» ¸¸µé´Ù. MYCIN Àº ¶ÇÇÑ È®·üÀû rule (probabilistic rule) À» ó¸®ÇÒ ¼ö Àִµ¥ ±×°ÍÀº DENDRAL ¿¡¼­´Â ÇÒ ¼ö ¾ø¾ú´ø °ÍÀÌ´Ù. MYCIN Àº Àΰ£ Àǻ纸´Ù ´õ ÁÁÀº °á°ú¸¦ º¸À̱⵵ Çß´Ù. Á¦ÀÛ ÁßÀÇ ¹ß»ýÇÑ ¾î·Á¿òÀº Àΰ£ Àü¹®°¡ÀÇ Áö½ÄÀ» ÃßÃâÇÏ¿© rule ·Î ¸¸µå´Â °ÍÀ̾úÀ¸¸ç ±×°ÍÀº  Áö½Ä°øÇÐ (Knowledge Engineering) À̶ó°í ³ªÁß¿¡ ºÒ¸®°Ô µÈ´Ù. 
Hubert Dreyfus ´Â ±×ÀÇ Àú¼­ "Alchemy and AI" À» È®ÀåÇÏ¿© ´õ °ø°ÝÀûÀÎ anti-AI book ÀÎ "What Computers Can't Do."À» Ãâ°£ÇÏ´Ù.
Alain Colmerauer °ú Phillipe Roussel °¡ ÄÄÇ»ÅÍ ¾ð¾î Prolog (PROgrammation en LOGique)¸¦ ¸¸µé´Ù. ±×°ÍÀº Horn Àý Çü½ÄÀ¸·Î¸¸ ¾²¿©Áöµµ·ÏÇÑ ³í¸® ¹®Àå (¿¹¸¦ µé¸é IF...THEN) À» °­È­Çϱâ À§ÇØ 1974 ³â¿¡ °³Á¤µÇ¾ú´Ù. PROLOG ´Â LISP ÀÌ Áö¹èÇÑ ¹Ì±¹ ÀÌ¿ÜÀÇ Áö¿ª¿¡¼­´Â  °¡Àå ¼±È£ÇÏ´Â AI ¾ð¾î°¡ µÇ¾ú´Ù.
ÇÁ·Î±×·¥ ¾ð¾î Smalltalk °¡ Xerox PARC ¿¡¼­ °³¹ßµÇ´Ù. Alan Kay ¿Í Adele Goldberg °¡ Smalltalk ¸¦ °³¹ßÇߴµ¥ ±×°ÍÀº object-oriented programming °ú icon-oriented interfaces ÀÇ ´É·ÂÀ» °¡Áø°ÍÀÌ´Ù.
Cray Research formed
Nolan Bushell °¡ ÃÖÃÊÀÇ ºñµð¿À °ÔÀÓÀÎ PONGÀ» ¸¸µé´Ù.
Terry Winograd °¡ MIT ¹Ú»ç ³í¹®¿¡¼­ ¾î¸°ÀÌÀÇ Á¦ÇÑµÈ ºí·Ï ¼¼°è¿¡¼­ ÄÄÇ»ÅÍ°¡ ¿µ¾î ¹®ÀåÀ» ÀÌÇØÇÏ´Â °ÍÀ» º¸¿©ÁÖ´Ù. ±×°ÍÀº ÀÚ¿¬¾î ÀÌÇØ ÇÁ·Î±×·¥ SHRDLU ·Î¼­ ¿µ¾î·Î ¹®¼­È­µÈ ¸í·ÉÀ» ¼öÇàÇÏ´Â ·Îº¿ ÆÈÀ» °¡Áö°í ÀÖ´Ù.
 
1973
James Lighthill °æ (Cambridge ´ëÇÐÀÇ ÀÀ¿ë¼öÇÐÀÇ Lucasian Chair) ÀÌ ¿µ±¹ Á¤ºÎ¿¡ ´ëºÎºÐÀÇ AI ¿¬±¸¸¦ À§ÇÑ ÀçÁ¤Áö¿øÀ» Áß´ÜÇÒ °ÍÀ» Ãæ°íÇÏ´Â º¸°í¸¦ ÇÏ´Ù.
Schank ¿Í Abelson ÀÌ scripts¸¦ °³¹ßÇÏ´Ù.
ÃÖÃÊÀÇ bit-mapped graphics-oriented monitor °¡ µîÀåÇÏ´Ù.
´ëÇп¡ UNIX °¡ ³Î¸® º¸±ÞµÇ´Ù.
Xerox PARC ¿¡¼­ "Alto"¸¦ ¼³¸³ÇÏ´Ù (ÃÖÃÊÀÇ hand-held mouse ¿Í ÇÔ²²). 
1974
DARPA ¿¡¼­ MIT, Carnegie Mellon, Stanford ÀÇ AI ¿¬±¸¿¡ ´ëÇÑ ÀçÁ¤Áö¿øÀÌ ½Ç¸Á½º·± ¿¬±¸°á°ú¿¡ µû¶ó Å©°Ô »ï°¢µÇ´Ù.
Earl Sacerdoti ÀÌ ÃÖÃÊÀÇ planning program ÁßÀÇ ÇϳªÀÎ ABSTRIPS¸¦ °³¹ßÇÏ¿´À¸¸ç hierarchical planning ±â¼úÀ» °³¹ßÇÏ´Ù.
ÃÖÃÊÀÇ computer-controlled robot ÀÌ µîÀåÇÏ´Ù.
SUMEX-AIM network (Stanford University Medical Experimental Computer for Artifical Interlligence in Medicine) ÀÌ ¼³¸³µÇ¾ú´Âµ¥ ±×°ÍÀº ÀÇÇп¡ AI ¸¦ ÀÀ¿ëÇϱâ À§ÇÑ °ÍÀÌ´Ù. Stanford ÀÇ Edward Feigenbaum °ú Joshua Lederberg ¿¡ ÀÇÇØ ÃßÁøµÇ¾î °úÇп¡¼­ÀÇ Çùµ¿À» À§ÇÑ ARPAnet ÀÇ ÈûÀ» º¸¿©ÁÖ´Ù.  
Ahl Publishes "Creative Computing"
First SIGGRAPH
Nelson writes "Computer Lib"  
Paul Werbos °¡ ¿ªÀüÆÄ (Back-propagation) algorithmÀ» °í¾ÈÇÏ¿´´Âµ¥ ±×°ÍÀº multilayer neural networksÀ» °¡´ÉÇÏ´Â °ÍÀÌ´Ù. ±×¸®°í simple Perceptrons À» ´É°¡ÇÏ´Â classification ¼öÇà ´É·ÂÀ» °¡Áø °ÍÀÌ´Ù. Back-propagation Àº 1980 ¿¬´ë ÃÊ¿¡ David Rumelhat ¿Í David Parkewas ¿¡ ÀÇÇØ µ¶ÀÚÀûÀ¸·Î Àç ¹ß°ßµÈ´Ù. 
1975
Marvin Minsky °¡ "A Framework for Representing Knowledge," À» Ãâ°£ÇÏ´Ù. ±×´Â "AI ¿Í ½É¸®Çп¡¼­ ´ëºÎºÐÀÇ À̷еéÀÇ ±¸¼º¿ä¼ÒµéÀÌ ¼³¸íÇϱ⿡´Â ³Ê¹« »ó¼¼ÇÏ°í, ±¹¼ÒÀûÀ̸ç, ºñÁ¶Á÷È­ µÇ¾îÀִµ¥, ±×°ÍÀº »ó½ÄÀûÀÎ »ç°íÀÇ ¿µÇâ ¶§¹®ÀÌ´Ù" ¶ó°í ÇÏ¿´´Ù. ±×´Â "frames" À̶ó´Â ¿ë¾î¸¦ Á¦¾ÈÇÏ¿© ±× ¼Ó¿¡ ¿¹»óµÇ´Â ¼Ó¼º ("markers")À» °¡Áø features (¼ÒÀ§ "terminals")¸¦ Ç¥ÇöÇÏ¿´´Ù. frames Àº ½Ã½ºÅÛ³»¿¡¼­ ¼­·Î ±×·ìÀ¸·Î ³ª´µ°í ¿¬°áµÉ ¼ö ÀÖ´Ù. ¿¹¸¦µé¸é "Áý"À» Ç¥ÇöÇϱâ À§ÇØ º®, â¹®, Çö°ü, ÁöºØ°ú °°Àº features¸¦ »ç¿ëÇÏ¿© frame matching ¿¡ ÀÇÇؼ­ ÁøÂ¥ ÁýÀ» ÀνÄÇϴµ¥ »ç¿ëµÈ´Ù. Áý°ú ´Ù¸¥ frame Áï °¡°Ô, ±³È¸, Çб³ µîÀÌ ¸ð¿©¼­ ÇϳªÀÇ town ½Ã½ºÅÛÀ» ±¸¼ºÇÑ´Ù. ÀÌ·¯ÇÑ Áö½ÄÇ¥Çö ¼ö´ÜÀ¸·Î¼­ÀÇ frame ÀÌ·ÐÀ» ¹ßÇ¥ÇÏ¿© Å« ¹ÝÇâÀ» ÀÏÀ¸ÄÑ schema ¿Í semantic link ¿¡ °üÇÑ ¸¹Àº idea¸¦ À¯µµÇÏ°Ô µÈ´Ù.
Meta-Dendral learning program ÀÇ °á°ú·Î, ÃÖÃÊÀÇ ÄÄÇ»ÅÍ¿¡ ÀÇÇÑ °úÇÐÀû ¹ß°ßÀÌ °ü·Ã ÀâÁö¿¡ ¼ö·ÏµÇ´Â È­Çко߿¡¼­ÀÇ »õ·Î¿î °á°ú(some rules of mass spectrometry) ¸¦ ³º¾Ò´Ù.
Cooper & Erlbaum ÀÌ ½Å°æ¸Á ±â¼úÀ» À§ÇÑ Nestor »ç¸¦ ¼³¸³ÇÏ´Ù.
ÃÖÃÊÀÇ microcomputer ÀÎ BASIC ÀÌ Gates ¿Í Allen ¿¡ ÀÇÇØ ¸¸µé¾îÁö´Ù.
ÃÖÃÊÀÇ Personal Computer ÀÎ Altair 8800 (256 bytes memory) µîÀåÇÏ´Ù.
DARPA ¿¡¼­ image understanding funding program À» ½ÃÀÛÇÏ´Ù.
Larry Harris °¡ ÀÚ¿¬¾î󸮸¦ À§ÇÑ Artificial Intelligence Corp ¸¦ ¼³¸³ÇÏ´Ù.  
1976
Douglas Lenat ÀÌ Stanford ¹Ú»ç³í¹®À¸·Î AM (Automated Mathematician) programÀ» ¹ßÇ¥ÇÏ¿© discovery model (loosely-guided search for interesting conjectures) À» ½Ã¿¬ÇÏ´Ù. ±×°ÍÀº ±× ÀÚ½ÅÀÌ number theory ¸¦ rediscover ÇÏ´Â ÇÁ·Î±×·¥ À̾ú´Ù. ±×°ÍÀº ÀÏ·ÃÀÇ Ãʺ¸ÀûÀÎ idea, Áï ½ÇÇèÁ¤½Å°ú Á¤È®¼º(a sense of experimentation, and a sense of rightness of good discoveries to guide its activities)À» °áÇÕÇÑ °ÍÀ̾ú´Ù. À̸¦ À§ÇØ ¸¹Àº rule (¶Ç´Â heuristics) ·Î¼­ Ç¥ÇöµÇ¾ú´Ù. óÀ½ÀÇ µå¶ó¸¶Æ½ÇÑ ¼º°ø¿¡µµ ºÒ±¸ÇÏ°í, °ð »õ·Î¿î number theory ¸¦ ¹ß°ßÇϴµ¥ ÇÑ°è¿¡ À̸£·¶´Ù. Lenat ´Â ÁÖ¾îÁø heuristics ¿¡ ÇÑ°è°¡ ÀÖ¾ú±â ¶§¹®À̶ó´Â °ÍÀ» ±ú´Ý°í, ½º½º·Î »õ·Ó°í À¯¿ëÇÑ heuristics ¸¦ ¹ß°ßÇϵµ·Ï âÁ¶ÇÒ Çʿ伺À» ´À³¢°Ô µÇ¾ú´Ù. 5³âÀÇ ¿¬±¸³¡¿¡ ±×·¯ÇÑ ´É·ÂÀ» »õ·ÎÀÌ °®Ãá ÇÁ·Î±×·¥ EURISKO ¸¦ °³¹ßÇß´Ù. EURISKO Àº »ç¿ëÇÑ heuristicsÀÇ ¼º´ÉÀ» ÃßÀûÇؼ­ À߸ø ¼öÇàµÇ´Â °ÍÀº ¹èÁ¦ÇÏ°í ´õ Àß ¼öÇàµÇ´Â °ÍÀº ¼öÁ¤ÇÏ°í °³¼±½ÃÄ×´Ù. ±× ÇÁ·Î±×·¥Àº 3D computer chips ÀÇ ¼³°è¸¦ °³¼±Çϴµ¥ ¼º°øÀûÀ¸·Î »ç¿ëµÇ¾ú´Ù.¶ÇÇÑ space-war game, Traveller TCS game ¿¡¼­µµ ½º½º·Î ¹è¿ì´Â Çõ½ÅÀûÀÎ Á¢±Ù ¹æ¹ýÀ¸·Î 1982, 1983 ¿¬µµ °ÔÀÓ Ã¨ÇǾð ÀÚ¸®¿¡ ¿Ã¶ú´Ù.  
Randall Davis ÀÌ Stanford ¹Ú»ç³í¹®¿¡¼­ meta-level reasoning ´É·ÂÀ» ½Ã¿¬ÇÏ´Ù.
ÃÖÃÊÀÇ adventure °ÔÀÓÀÎ Adventure ÀÌ Crowther ¿Í Woods ¿¡ ÀÇÇØ ¸¸µé¾îÁö´Ù.
Greenblatt ÃÖÃÊÀÇ LISP machine ÀÎ "CONS"À» ¸¸µé´Ù.
Raymond Kurzweil ÀÌ reading machine À» ¸¸µé´Ù.
David Marr ¿Í µ¿·áµéÀº "primal sketch" ¿Í visual perception¿¡¼­ÀÇ ±× ¿ªÇÒÀ» ¹¦»çÇÏ´Ù..
Dynabook paper (Kay and Goldberg)  
1977
Roger Shank °¡ °³³äÀÇÁ¸ ÀÌ·Ð (Conceptual Dependency Theory) ¸¦ ¹ßÀü½ÃÄ״µ¥, ±×°ÍÀº scripts (»ç°ÇÀÌ ÀϾ ÀüÇüÀûÀÎ ¼ø¼­¿¡ ´ëÇÑ °£·«ÇÑ À̾߱âµé, ¾î¶² »ç°Çµµ »ý·«ÇÏÁö ¾ÊÀ½...) ¸¦ »ç¿ëÇÏ°í, »ç¶÷µéÀÌ ¸»ÇÑ À̾߱⸦ ÀÌÇØÇÏ°í Ãß·ÐÀ» ÅëÇؼ­ ±× À̾߱⿡ ´ëÇÑ Áú¹®¿¡ ´äÀ» ÇÒ ¼ö ÀÖµµ·Ï, »ç¶÷µéÀÇ °èȹ°ú ¸ñÇ¥¿¡ ´ëÇÑ Áö½ÄÀ» »ç¿ëÇؼ­ ÀÌ·ç¾î Áø °ÍÀÌ´Ù. ÀÌ·¯ÇÑ °áÇÕÀº Janet Kolodner's CYRUS °°Àº ¾ð¾îÇؼ® ÇÁ·Î±×·¥ÀÇ ¼º°øÀ» À̲ø¾ú´Ù. ±×°ÍÀº ½º½º·Î Cyrus Vance ó·³ »ç°íÇÏ´Â °ÍÀ¸·Î¼­, ½Å¹®±â»ç¸¦ º¸°í ±×ÀÇ ÀÏ»ó¿¡ ´ëÇØ ÇнÀÇÏ°Ô µÇ¾î, Vance ÀÇ ºÎÀΰú À̽º¶ó¿¤ ¼ö»ó Begin ÀÇ ºÎÀÎÀÌ ¹è¿ìÀÚµéÀÌ ÃÊ´ëµÉ °ÍÀ̶ó´Â »çȸÀû Çà»ç¿¡¼­ ¸¸³µ´Ù´Â °ÍÀ» ¾î¸²Àâ¾Æ ÃßÃøÇϱ⵵ (surmise) Çß´Ù. ÀÌ°ÍÀº ½ÇÁ¦·Î ÀϾ ÀÏÀÌ´Ù.  
Steve Wozniak °ú Steve Jobs °¡ Apple Computer ¸¦ ¼³¸³ÇÏ´Ù.
3CPO and R2D2 star in "Star Wars"
Apple II, Radio Shack TRS80, Commodore PET
Conway & Mead codify VLSI design
Bill Gates °¡ Microsoft »ç¸¦ ¼³¸³ÇÏ´Ù.
 
1978
Tom Mitchell ÀÌ Stanford¿¡¼­ °³³äÇü¼º ÇÁ·Î±×·¥ÀÇ Å½»ö °ø°£(search space of a concept formation program)À» ¹¦»çÇÏ´Â ¹öÀü °ø°£ (Version Space) ÀÇ °³³äÀ» ¹ß¸íÇÏ´Ù.
Herbert Simon ÀÌ ³ëº§ °æÁ¦ÇлóÀ» ¹Þ´Ù. "satisficing" À̶ó°í ¾Ë·ÁÁø AI ÀÇ ±âÃÊÁß ÇϳªÀÎ bounded rationality ÀÌ·Ð À¸·Î ¼ö»óÇÑ °ÍÀÌ´Ù.
MOLGEN ÇÁ·Î±×·¥ÀÌ Stanford¿¡¼­ Mark Stefik ¿Í Peter Friedland ¿¡ ÀÇÇØ ¸¸µé¾îÁ®, Áö½ÄÀÇ °´Ã¼ ÁöÇâ Ç¥Çö(object-oriented representation of knowledge) À¸·Î À¯ÀüÀÚ º¹Á¦ (gene-cloning) ½ÇÇèÀ» °èȹÇϱâ À§ÇØ »ç¿ëµÉ ¼ö ÀÖ´Ù´Â °ÍÀ» º¸¿©ÁÖ´Ù.
David Marr ¿Í Nishihara propose 2-1/2 dimensional sketch
Bricklin writes VisiCalc
Hayes announces Micromodem 100
SRI ÀÇ ±¤¸Æ Ž»ö Àü¹®°¡½Ã½ºÅÛ PROSPECTOR °¡ ¸ô¸®ºêµ§ ±¤¸ÆÀ» ¹ß°ßÇÏ´Ù.
Xerox LISP machines
 
1979
Bill VanMelleÀÇ Stanford ¹Ú»ç³í¹®¿¡¼­ ±×°¡ ¸¸µç EMYCIN program ¿¡¼­ Ãß·ÐÀÇ ½ºÅ¸ÀÏ°ú MYCIN ÀÇ Áö½Ä Ç¥ÇöÀÇ ÀϹݼºÀ» º¸¿©ÁÖ´Ù. ±×°ÍÀº ±× ÈÄÀÇ ¸¹Àº »ó¾÷¿ë Àü¹®°¡½Ã½ºÅÛ shell ÀÇ ¸ðµ¨ÀÌ µÇ¾ú´Ù.
Jack Myers ¿Í Harry Pople ÀÌ Pittsburgh ´ëÇп¡¼­ INTERNIST ¸¦ °³¹ßÇÏ¿´´Âµ¥, ±×°ÍÀº Áö½Äº£À̽º ÀÇ·áÁø´Ü ÇÁ·Î±×·¥À¸·Î¼­ ÀÇ»ç Myers ÀÇ ÀÓ»óÁö½Ä¿¡ ±âÃÊÇÑ °ÍÀÌ´Ù.
Cordell Green, David Barstow, Elaine Kant ¿Í Stanford µ¿·áµéÀÌ automatic programmingÀ» À§ÇÑ CHI system À» ½Ã¿¬ÇÏ´Ù.
Hans Moravec ÀÌ Stanford Cart ¸¦ ¸¸µé¾ú´Âµ¥ ±×°ÍÀº ÃÖÃÊÀÇ ÄÄÇ»ÅÍ Á¦¾î autonomous vehicle À̸ç chair-filled room and circumnavigates the Stanford AI LabÀ» ¼º°øÀûÀ¸·Î ÁÖÇàÇÏ´Ù..
Drew Mcdermott ¿Í Jon Doyle (MIT) ¿Í John McCarthy (Stanford)°¡ °øµ¿À¸·Î  non monotonic logics ¿Í formal aspects of truth maintenance ¿¡ °üÇÑ Ãâ°£ ÀÛ¾÷À» ½ÃÀÛÇÏ´Ù.
"Pac Man" introduced
Compuserve and The Source are founded
ADA 
Patrick Hayes : "The Naive Physics Manifesto"
Raj Reddy °¡ Carnegie Mellon University ¿¡ Robotics Institute ¸¦ ¼³¸³ÇÏ´Ù.
MYCIN ÀÌ Àǻ縸ŭ ÈǸ¢ÇÑ °á°ú¸¦ º¸Àδٰí Journal of American Medical Assoc ¿¡ º¸°íµÇ´Ù.
Publication of Weinreb and Moon's MIT AI Lab memo on Flavors, OOP °¡ Áøº¸µÈ ´É·ÂÀ» º¸ÀÌÁö¸¸ Lisp ¾ð¾î family ¹Û¿¡¼­´Â ¿©ÀüÈ÷ ÀϹÝÀûÀ¸·Î »ç¿ëµÇÁö´Â ¾Ê´Â´Ù.  
backgammon ¼¼°è èÇǾðÀÎ ÀÌŸ®ÀÇ Luigi Villa °¡ ÄÄÇ»ÅÍ ÇÁ·Î±×·¥¿¡ ÆйèÇÑ ÃÖÃÊÀÇ º¸µå°ÔÀÓ ¼¼°èèÇǾðÀ¸·Î ±â·ÏµÇ´Ù. ±× ÇÁ·Î±×·¥Àº CMU ÀÇ Hans Berliner °¡ ¸¸µç °ÍÀÌ´Ù. ±× ÇÁ·Î±×·¥Àº ¸»ÀÇ ¿òÁ÷ÀÓÀÌ ¿Ã¹Ù¸¥Áö¸¦ ÃøÁ¤ÇÏ´Â weighted set of criteria¸¦ Æò°¡ÇÏ¿© ¸»ÀÌ À̵¿ÇÑ´Ù. backgammon ¿¡¼­´Â ³Ê¹«³ª ¸¹Àº °æ¿ìÀÇ ¼ö°¡ Àֱ⠶§¹®¿¡, chess¿¡¼­ »ç¿ëµÇ´Â ¹æ¹ýÀÎ °¡´ÉÇÑ ¹Ì·¡ÀÇ ¸»ÀÇ ¿òÁ÷ÀÓÀ̳ª ´ëÀÀÁß¿¡¼­ Ž»ö ¹æ¹ý(alternative process of searching)À» »ç¿ëÇÏÁö ¾Ê¾Ò´Ù.