cobweb_4.metta

;                                           (convert-to-metta-file  cobweb_4 $_504454 cobweb/cobweb_4.pl cobweb/cobweb_4.metta)

  (= (features  ((nominal tails) (nominal color) (nominal nuclei)))  True)
; /********************************************************************/
; /* cobweb_4.pro Last modification: Sun 2 Feb 1992 12:46:30 */
; /********************************************************************/
; /********************************************************************/
; /* COBWEB example data-set: Cell descriptions */
; /* Source: from J. Gennari, P. Langley, D. Fisher: */
; /* 'Models of Incremental Concept Formation', */
; /* Artificial Intelligence 40, 1989, page 30, Fig. 3 */
; /********************************************************************/
; ; Description of the features as a list of (type and name)

;
; Description of the cases
;
; (first element: case-id (will not be used in clustering),
;
; rest: feature values in accordance to the description of features above)


  (= (case  (cell1 one light one))  True)
  (= (case  (cell2 two dark two))  True)
  (= (case  (cell3 two light two))  True)
  (= (case  (cell4 one dark three))  True)