About: http://webisa.webdatacommons.org/295502432

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	A blocked row or column is a row or column that Barbara has at least one X. A unblocked row or column is free of Xs.
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net