<http://webisa.webdatacommons.org/prov/461070257>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/50261513> .
<http://webisa.webdatacommons.org/50261513>	<http://www.w3.org/ns/prov#value>	"???Operation in urban areas represents a significant challenge,??? says DSTA chief exec Richard Lim. ???Recent military experiences in Iraq, the Middle East and other locations have clearly illustrated these challenges.???" .
<http://webisa.webdatacommons.org/50261513>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<techdigest.tv> .
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