Research Article
Usage Patterns of Electric Bicycles: An Analysis of the WeBike Project
| activity ← NULL | | function DETECT_ACTIVITY(sample) | | if activity = NULL then | | if BELONGS_TO_ACTIVITY(sample) then ⊳ check if an activity has started | | activity INITIALIZE_ACTIVITY | | activity.ACCUMULATE(sample) | | activity.SET_START(sample) ⊳ set start timestamp | | end if | | else if ¬ activity.HAS_ENDED(sample) then ⊳ activity is ongoing: did current activity stop? | | if BELONGS_TO_ACTIVITY(sample) then ⊳ no, check if sample satisfies activity requirements | | activity.ACCUMULATE(sample) | | activity.SET_END(sample) ⊳ yes, set as preliminary end timestamp | | end if | | else ⊳ yes, check validity | | if activity.CHECK_IS_VALID then | | WRITE_TO_DATABASE(activity) | | end if | | activity NULL | | end if | | end function |
|
