5 definitions found From The Collaborative International Dictionary of English v.0.48 [gcide]: Heuristic \Heu*ris"tic\ (h[-u]*r[i^]s"t[i^]k), a. [Gr. e"yri`skein to discover.] 1. Serving to promote discovery or learning; -- used especially of thories or paradigms which stimulate new ideas for discovering facts in experimental sciences. [1913 Webster +PJC] 2. Serving to stimulate people to learn and discover on their own, especially by encouraging experimental and trial-and-error methods for solving problems. [PJC] 3. Pertaining to or based on trial-and-error and experimental methods of learning and evaluation. [PJC] 4. (Computers) Based on the use of an efficient trial-and error method to search a space of possible solutions to a problem, or to find an acceptable approximate solution, when an exact algorithmic method is unavailable or too time-consuming. [PJC] From The Collaborative International Dictionary of English v.0.48 [gcide]: Heuristic \Heu*ris"tic\ (h[-u]*r[i^]s"t[i^]k), n. 1. A heuristic method; a specific heuristic procedure. [PJC] 2. A theory or approach which serves to promote discovery or learning by encouraging experimentation. [PJC] From WordNet (r) 2.0 [wn]: heuristic adj : of or relating to or using 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 Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]: 34 Moby Thesaurus words for "heuristic": analytic, cut-and-try, empirical, examinational, examinatorial, examining, experimental, explorational, explorative, exploratory, fact-finding, feeling, groping, hit-or-miss, indagative, inspectional, inspectorial, investigational, investigative, investigatory, pilot, probationary, probative, probatory, proving, provisional, tentative, test, testing, trial, trial-and-error, trying, verificatory, zetetic From The Free On-line Dictionary of Computing (27 SEP 03) [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. 2. {approximation algorithm}. (2001-04-12)
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