Hsien-Chou Liao Ming-Feng Chen Feng-Jian Wang Jian-Cheng Dai Using a Hierarchical Thesaurus for Classifying and Searching Software Libraries. 210-216 1997 conf/compsac/1997 COMPSAC https://doi.org/10.1109/CMPSAC.1997.624795 https://doi.ieeecomputersociety.org/10.1109/CMPSAC.1997.624795 db/conf/compsac/compsac1997.html#LiaoCWD97