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<http://webisa.webdatacommons.org/prov/233934766>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/24714447> .
<http://webisa.webdatacommons.org/24714447>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/24714447>	<http://www.w3.org/ns/prov#value>	"For example, in order to set up an 802.11 network such as shown in FIG. 2, a site survey is required in order to determine where each of the access points are placed to ensure that the 802.11 cells provide complete coverage over a particular geographic area." .