<http://webisa.webdatacommons.org/257756836>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/257756836>	<http://www.w3.org/ns/prov#value>	"First, Congress added ??141(a), which unambiguously told the Secretary to take the decennial census ???in such form and content as he may determine, including the use of sampling procedures and special surveys.??? Second, Congress changed ??195 by replacing the word ???may??? with the word ???shall.??? Both amendments unambiguously endorsed the use of sampling." .
<http://webisa.webdatacommons.org/257756836>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<cornell.edu> .
<http://webisa.webdatacommons.org/prov/235331609>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/257756836> .