About: http://webisa.webdatacommons.org/203238834

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	C++???s std::map and std::set are typically implemented with a red-black tree, so are symbol tables in many operating systems and other languages.
http://www.w3.org/ns/prov#wasQuotedFrom	procul.org