<http://webisa.webdatacommons.org/191878845>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/28677012>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/191878845> .
<http://webisa.webdatacommons.org/191878845>	<http://www.w3.org/ns/prov#value>	"According to our observations, the program is usable and the current interface is well understood by students and teachers, though some concepts remain difficult for students, such as distinguishing between criteria and alternatives." .
<http://webisa.webdatacommons.org/191878845>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<gatech.edu> .