<http://webisa.webdatacommons.org/343446940>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/343446940>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<psu.edu> .
<http://webisa.webdatacommons.org/prov/238651604>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/343446940> .
<http://webisa.webdatacommons.org/343446940>	<http://www.w3.org/ns/prov#value>	"In particular, efficient top-k processing in domains such as the Web, multimedia search and distributed systems has shown a great impact on performance." .