<http://webisa.webdatacommons.org/prov/106647811>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/287410382> .
<http://webisa.webdatacommons.org/287410382>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<digitalmars.com> .
<http://webisa.webdatacommons.org/287410382>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/287410382>	<http://www.w3.org/ns/prov#value>	"Then arr[] should mean all the arrays when arr is two-dimensional, and length is a valid property of these arrays." .