About: http://webisa.webdatacommons.org/285503113

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	By feature we denote the two-dimensional signal created by some chemical entity, e.g. a peptide or metabolite.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov