<http://webisa.webdatacommons.org/prov/2838744>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/183379004> .
<http://webisa.webdatacommons.org/183379004>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<msstate.edu> .
<http://webisa.webdatacommons.org/183379004>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/183379004>	<http://www.w3.org/ns/prov#value>	"For one week in 2012, hundreds of thousands of Facebook users were unknowingly subjected to an experiment in which their news feed was altered to see whether certain kinds of content made users happy or sad." .