<http://webisa.webdatacommons.org/21801925> <http://www.w3.org/ns/prov#wasQuotedFrom> <searchenginewatch.com> . <http://webisa.webdatacommons.org/21801925> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/prov/308244290> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/21801925> . <http://webisa.webdatacommons.org/21801925> <http://www.w3.org/ns/prov#value> "The least popular tweets were those directed at people other than the user, as in a conversation, or tweets about people???s current mood or activity." .