<http://demo.openlinksw.com/proxy-iri/b34c5cfe51b9141017c5bcca8ac7935aac7c4c43>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#subject>	<schema:billingPeriod> .
<schema:billingPeriod>	<http://schema.org/graph>	<http://schema.org/Invoice> .
<http://demo.openlinksw.com/proxy-iri/c7f4dde00d6ec0867f8966fc886422a26211927e>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#object>	<schema:billingPeriod> .
<http://demo.openlinksw.com/proxy-iri/bc317f43e167178fcb9a70ea04725c634e58e5f9>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#object>	<schema:billingPeriod> .
<schema:billingPeriod>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<rdf:Property> .
<schema:Invoice>	<http://schema.org/domainIncludes>	<schema:billingPeriod> .
<http://demo.openlinksw.com/about/id/entity/http/schema.org/Invoice>	<http://schema.org/about>	<schema:billingPeriod> .
<schema:Duration>	<http://schema.org/rangeIncludes>	<schema:billingPeriod> .
<http://demo.openlinksw.com/proxy-iri/c1622a65845bff667ea02c2c25f27f8cc67d2cb7>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#subject>	<schema:billingPeriod> .
<http://demo.openlinksw.com/proxy-iri/b4e482864ef678d6cd8b42e64dd72a587d9fc87f>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#subject>	<schema:billingPeriod> .
<schema:billingPeriod>	<http://www.w3.org/2000/01/rdf-schema#label>	"billingPeriod" .
<schema:billingPeriod>	<http://www.w3.org/2007/05/powder-s#describedby>	<http://demo.openlinksw.com/about/id/http/schema.org/Invoice> .
<http://demo.openlinksw.com/proxy-iri/35b7c8c892ca67a7ec880be9cfe0ee1177c53a6e>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#object>	<schema:billingPeriod> .
<http://demo.openlinksw.com/proxy-iri/a88de403e2b797edaad58baa8ad97454c4525316>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#subject>	<schema:billingPeriod> .
<schema:billingPeriod>	<http://www.w3.org/2000/01/rdf-schema#comment>	"The time interval used to compute the invoice." .