About: http://webisa.webdatacommons.org/409385849

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	The solution proposed is an asynchronous update mechanism where the structure representing each logical line caches the last known pixel height and an epoch counter.
http://www.w3.org/ns/prov#wasQuotedFrom	tcl.tk