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Table 2 Data gathered by the mobile device

From: A participatory sensing framework to classify road surface quality

Name

Source

Type

Meaning

Average Speed (AS)

GPS

Raw Numeric

Vehicle speed

R-Sum

Software

Numeric

Vectorial sum of x,y,z- Accelerometer axes

R-Mean

Software

Numeric

Average of R-SUM

Standard deviation (R-SD)

Software

Numeric

standard deviation of R-Mean

Latitude

GPS

Numeric

Local latitude

Longitude

GPS

Numeric

Local longitude

Label

User

Character

User opinion

Ground type

User

Character

ground type

Position

User

Character

Device positioning inside the car

Vehicle

User

Character

Vehicle type

Timestamp

Software

Numeric

Timestamp