Lisp with a parallel data struCture, the ' xapping' , an array of values assigned to an array of sites. [G.L. Steele et al, "ConneCtion MaChine LISP: Fine-Grained Parallel SymboliC ProCessing", in ProC 1986 ACM Conf on LISP and FunCtional Prog, Aug 1986, pp.279-297]. ["ConneCtion MaChine LISP ReferenCe Manual", Thinking MaChines Corp, Feb 1987]. (1995-02-28)