| http://www.w3.org/ns/prov#value | - Purdue working with police on gang-graffiti, hazmat toolsAugust 19, 2011WEST LAFAYETTE, Ind. - Researchers are creating applications that enable cell phones and other portable devices to translate the meaning of gang graffiti for law enforcement and hazardous materials placards for emergency first responders.Read Full Story Purdue research center plans second Record the Earth event as part of Eart
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