Reconstruction of Hierarchical Structures in a Thesaurus-based Ontology through Curation by Domain Experts. - Tatsuya Kushida; Kouji Kozaki; Yasunori Yamamoto; Atsuko Yamaguchi; Takahiro Kawamura; Takako Nakagawa; Yuka Tateisi; Toshihisa Takagi (ICBO, 2019)