<http://webisa.webdatacommons.org/158420385>	<http://www.w3.org/ns/prov#value>	"Employing tunable transmitters 18 and receivers 20 in the optical nodes 16 in a network, such as in FIG. 2, can provide additional versatility in the system 10." .
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<http://webisa.webdatacommons.org/158420385>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/233934766>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/158420385> .