[ { "assertion": 1, "retraction": 0, "graph": "graph", "subject": "DOID:3748", "predicate": "IAO:0000115", "object": "An esophageal carcinoma that derives_from epithelial squamous cells located_in the esophagus.", "datatype": "xsd:string", "annotation": "{\"dce:type\":[{\"datatype\":\"_IRI\",\"meta\":\"owl:Axiom\",\"object\":\"obo:ECO_0007637\"}],\"oio:hasDbXref\":[{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:http://www.cancer.gov/cancertopics/types/esophageal\"}]}" } ]