A Quality-Assurance Study of ChEBI. - Hasan Yumak; Ling Chen 007; Michael Halper; Ling Zheng; Yehoshua Perl; Gai Elhanan (ICBO/BioCreative, 2016)

Quality assurance of chemical ingredient classification for the National Drug File - Reference Terminology. - Ling Zheng; Hasan Yumak; Ling Chen 007; Christopher Ochs; James Geller; Joan Kapusnik-Uner; Yehoshua Perl (J. Biomed. Informatics, 2017)

Quality assurance of complex ChEBI concepts based on number of relationship types. - Hasan Yumak; Ling Zheng; Ling Chen 007; Michael Halper; Yehoshua Perl; Gareth Owen (Appl. Ontology, 2019)