<http://webisa.webdatacommons.org/143071606>	<http://www.w3.org/ns/prov#value>	"In the process of language learning and teaching, requests are mostly used by the students to theteacherand vice versa." .
<http://webisa.webdatacommons.org/143071606>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<scribd.com> .
<http://webisa.webdatacommons.org/prov/438090213>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/143071606> .
<http://webisa.webdatacommons.org/prov/49292925>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/143071606> .
<http://webisa.webdatacommons.org/143071606>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .