<http://webisa.webdatacommons.org/21246789>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/67883120>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/21246789> .
<http://webisa.webdatacommons.org/21246789>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<dot.gov> .
<http://webisa.webdatacommons.org/21246789>	<http://www.w3.org/ns/prov#value>	"The conference will feature sessions on such topics as construction, innovative design and materials, and rehabilitation and strengthening techniques." .