Finding inheritance hierarchies in interval-valued fuzzy concept-networks. - Shyi-Ming Chen; Yih-Jen Horng (Fuzzy Sets Syst., 1996)

A fuzzy information retrieval method using fuzzy-valued concept networks. - Yih-Jen Horng; Shyi-Ming Chen; Chia-Hoang Lee (ICTAI, 1998)

Fuzzy query processing for document retrieval based on extended fuzzy concept networks. - Shyi-Ming Chen; Yih-Jen Horng (IEEE Trans. Syst. Man Cybern. Part B, 1999)

Finding inheritance hierarchies in fuzzy-valued concept-networks. - Yih-Jen Horng; Shyi-Ming Chen (IEEE Trans. Syst. Man Cybern. Part B, 1999)

Temporal knowledge representation and reasoning techniques using time Petri nets. - Woei-Tzy Jong; Yuh-Shin Shiau; Yih-Jen Horng; Hsin-Horng Chen; Shyi-Ming Chen (IEEE Trans. Syst. Man Cybern. Part B, 1999)

Automatically Constructing Multi-relationship Fuzzy Concept Networks in Fuzzy Information Retrieval Systems. - Yih-Jen Horng; Shyi-Ming Chen; Chia-Hoang Lee (FUZZ-IEEE, 2001)

Document retrieval using fuzzy-valued concept networks. - Shyi-Ming Chen; Yih-Jen Horng; Chia-Hoang Lee (IEEE Trans. Syst. Man Cybern. Part B, 2001)

Automatically Constructing Multi-Relationship Fuzzy Concept Networks for Document Retrieval. - Yih-Jen Horng; Shyi-Ming Chen; Chia-Hoang Lee (Appl. Artif. Intell., 2003)

Fuzzy information retrieval based on multi-relationship fuzzy concept networks. - Shyi-Ming Chen; Yih-Jen Horng; Chia-Hoang Lee (Fuzzy Sets Syst., 2003)

A new method for fuzzy information retrieval based on fuzzy hierarchical clustering and fuzzy inference techniques. - Yih-Jen Horng; Shyi-Ming Chen; Yu-Chuan Chang; Chia-Hoang Lee (IEEE Trans. Fuzzy Syst., 2005)