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Modern Geomatics Technologies and Applications
Figure 5. The graph-based database
The sample query that was executed for the intended purpose (Figure 6) is as follows:
After the JOIN operation, the information contained in the traffic and participation data sources was retrieved in the graph-based
database areas where the travel time difference in rainy conditions and their normal conditions is more than 3 Minutes. Also, the
location of the favorable points relative to Granville Subway Station in downtown Vancouver was obtained by one of the location
functions," Distance", in this database.
Figure 6. GEO-SPARQL query
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