Assertion: common lisp | /r/AtLocation | attempt
Facets:
value: during the 1980s
type: TEMPORAL
value: during 1990s
type: TEMPORAL
Source sentences:
text: Common Lisp originated, during the 1980s and 1990s, in an attempt to unify the work of several implementation groups that were successors to Maclisp, like ZetaLisp and NIL