About: http://webisa.webdatacommons.org/21071743

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 researchers partly dampened this with a tiny muffler. ???Fortunately for the study, the subway is a noisy environment to begin with, so the sound didn???t bother the subway workers,??? said Grass. ???They could hardly hear it.???
http://www.w3.org/ns/prov#wasQuotedFrom	columbia.edu