About: http://webisa.webdatacommons.org/199019385

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	Commonly produced through methods such as arc discharge, laser ablation, or chemical vapor deposition, nanotubes can also be produced by ball milling, hydrothermal pressure, decomposition of buckyballs, and annealing of soot.
http://www.w3.org/ns/prov#wasQuotedFrom	eurekalert.org