About: http://webisa.webdatacommons.org/203805118

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	This technique works even if a cell contains a stroke throughout the sequence, but it fails in the case when a person wears a white T-shirt and/or holds a piece of white paper, or when a cell is always hidden by people or other objects.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com