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Fig. 6 Flowchart of the implementation steps
flowchart, the map matching process starts from the origin and
ends at the destination of a trip. The detection of real origin is necessary since the
traces during activity episode
As shown in the
fl
rst data record as the
starting node can be sometimes problematic because the device needs some time to
con
fl
fluctuate in general. Taking the
gure at the beginning of start. Since the recognition of real activity location is
out of the scope of this research, we simply check on the personal pro
le data that the
respondents supported. In addition, we also use the prompted recall data to double-
con
rm the exact location and obtain the coordinates through a geo-coding process.
After the recognition of the origin point, the candidate road segments are fetched
and relevant input variables are generated. The selection of the road segment fol-
lows the prediction of the BBN model. The selected road will be the one with a
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