About: http://webisa.webdatacommons.org/431263396

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	However, if |Xi[]| = 2, and if within a given column, one character is a gap and the other is a non-gap,
http://www.w3.org/ns/prov#wasQuotedFrom	biomedcentral.com