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heuristic

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heuristic


  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Heuristic  \Heu*ris"tic\,  a.  [Gr.  ?  to  discover.] 
  Serving  to  discover  or  find  out 
 
  From  WordNet  r  1.6  [wn]: 
 
  heuristic 
  adj  1:  (computer  science)  relating  to  or  using  a  heuristic  rule 
  2:  ofo  or  relating  to  a  general  formulation  that  serves  to 
  guide  investigation  [ant:  {algorithmic}] 
  n  :  a  commonsense  rule  (or  set  of  rules)  intended  to  increase 
  the  probability  of  solving  some  problem  [syn:  {heuristic 
  rule},  {heuristic  program}] 
 
  From  The  Free  On-line  Dictionary  of  Computing  (13  Mar  01)  [foldoc]: 
 
  heuristic 
 
  1.    A  rule  of  thumb,  simplification  or  educated 
  guess  that  reduces  or  limits  the  search  for  solutions  in 
  domains  that  are  difficult  and  poorly  understood.  Unlike 
  {algorithms},  heuristics  do  not  guarantee  optimal,  or  even 
  {feasible},  solutions  and  are  often  used  with  no  theoretical 
  guarantee. 
 
  [What  is  a  "feasible  solution"?] 
 
  2.    {approximation  algorithm}. 
 
  (1998-02-27) 
 
 




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