Blank Filler for unused slots in DNR series RACKtangles

Weak slot and filler structures for knowledge representation lack rules, while strong structures like Conceptual Dependency and scripts

CYC Strong Slot Filler Structure Knowledge Representation

slot machine christmas ornament 5-Slot, PXI Slot Filler—The PXI Filler Panel covers empty slots in PXI Chassis The panels can improve the cooling performance of the PXI system, so NI

slot machine crazy time slot has the form where role is a symbol or number representing role name , and filler is either a MOP or NIL ( DEFUN SLOT