<http://webisa.webdatacommons.org/prov/6093368>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/158486749> .
<http://webisa.webdatacommons.org/158486749>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pubmedcentralcanada.ca> .
<http://webisa.webdatacommons.org/158486749>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/158486749>	<http://www.w3.org/ns/prov#value>	" mealtimes, many said that implementing programs (e.g., providing a salad bar) would be difficult due to such barriers as staffing shortages, cost, and administ" .