About: http://webisa.webdatacommons.org/51125446

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 marginal effect of buying a book at the mall is small if, as part of the trip, other items are bought or other things are done, wrote the authors of Harry Potter and the Ozone Layer, an article in the November IEEE Spectrum.
http://www.w3.org/ns/prov#wasQuotedFrom	corpwatch.org