Research Article

DS-Harmonizer: A Harmonization Service on Spatiotemporal Data Stream in Edge Computing Environment

Table 2

The structure of ALPR (automatic license plate recognition) data.

AttributeNotationType

TimeTimestamp when vehicle is passingTime
Exit_stationIdentity of exit stationSpace
Exit_laneLane number of exit stationSpace
Vehicle_licenseVehicle identityEntity
Vehicle_typeVehicle typeEntity
Card_idvehicle passing card identityEntity
ETC_idvehicle ETC card identityEntity
ETC_cpu_idETC card chip identityEntity