Ad-Hockery

/ad-hok'*r-ee/

[Purdue]

n. 1. Gratuitous assumptions made inside certain programs, esp. expert systems, which lead to the appearance of semi-intelligent behavior but are in fact entirely arbitrary. For example, fuzzy-matching input tokens that might be typing errors against a symbol table can make it look as though a program knows how to spell.

2. Special-case code to cope with some awkward input that would otherwise cause a program to choke, presuming normal inputs are dealt with in some cleaner and more regular way. Also called 'ad-hackery', 'ad-hocity' (/ad-hos'*-tee/).

See also ELIZA effect.

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