<http://webisa.webdatacommons.org/prov/5951078>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/89394555> .
<http://webisa.webdatacommons.org/89394555>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/89394555>	<http://www.w3.org/ns/prov#value>	"BOSTON- April 21, 2011 Today, surrounded by cycling advocates as well as city and state officials, Mayor Thomas M. Menino signed a contract with Alta Bicycle Share to bring a cutting-edge bike share system to the City of Boston, one of the first in the country." .
<http://webisa.webdatacommons.org/89394555>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<bostonusa.com> .