1
James S Bennett, Jay S Lark: Hierarchical knowledge system. Teknowledge, Leydig Voit & Mayer, May 27, 1986: US04591983 (210 worldwide citation)

A knowledge system has a hierarchical knowledge base comprising a functional decomposition of a set of elements into subsets over a plurality of hierarchical levels, a plurality of predefined functions or conditions of the elements within the subsets of a plurality of the hierarchical levels, and a ...


2
Muramoto Tatsuya, Washisaki Seiji: Method for synthesizing a plurality of hierarchical knowledge systems and its device and storage medium for storing its program. Nippon Telegr &Amp Teleph Corp &Lt Ntt&Gt, December 8, 2000: JP2000-339169 (5 worldwide citation)

PROBLEM TO BE SOLVED: To synthesize new hierarchical knowledge systems holding the semantic structure of hierarchies on the basis of a plurality of hierarchical knowledge systems.SOLUTION: The corresponding category of a hierarchical knowledge system being the counterpart of synthesis is extracted o ...


3
Bennett James S, Lark Jay S: Hierarchical knowledge system. Teknowledge, AUCHTERLONIE Richard C, January 30, 1986: WO/1986/000735

A knowledge system has a hierarchical knowledge base (14) comprising a functional decomposition (22) of a set of elements (24) into subsets (41-46) over a plurality of hierarchical levels (40), a plurality of predefined functions or conditions (16) of the elements (24) within the subsets (41-46) of ...


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Muramoto Tatsuya, Washisaki Seiji: Information sorting method, device therefor and storage medium stored with information sorting program. Nippon Telegr &Amp Teleph Corp &Lt Ntt&Gt, September 17, 1999: JP1999-250072

PROBLEM TO BE SOLVED: To solve problems of poor sorting precision caused by the ambiguity of key word extraction and real-time processing due to the need of long learning time by making a single word extracted from a sorting object correspond to an existing hierarchical knowledge system. SOLUTION: A ...