The Chemical Information Ontology: Provenance and Disambiguation for Chemical Data on the Biological Semantic Web Hastings, Janna ; Chepelev, Leonid ; Willighagen, Egon ; Adams, Nico ; Steinbeck, Christoph ; Dumontier, Michel Abstract Publication: PLoS ONE Pub Date: October 2011 DOI: 10.1371/journal.pone.0025513 Bibcode: 2011PLoSO...625513H