TY - CONF T1 - XI: A simple prolog-based language for cross-classification and inheritance JO - ARTIFICIAL INTELLIGENCE: METHODOLOGY, SYSTEMS, APPLICATIONS PY - 1996/01/01 AU - Gaizauskas R AU - Humphreys K ED - Ramsay AM VL - 35 SP - 86 EP - 95 Y2 - 2025/06/23 ER -