<http://webisa.webdatacommons.org/prov/124658140> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/395486194> . <http://webisa.webdatacommons.org/395486194> <http://www.w3.org/ns/prov#value> "The pattern 42 may also have characteristics, such as for example, a pitch, p, between optical structures 40." . <http://webisa.webdatacommons.org/395486194> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/395486194> <http://www.w3.org/ns/prov#wasQuotedFrom> <google.ca> .