4. The method of claim 1 , determining the transportation mode for the one or more segments comprising differentiating between walk segments and non-walk segments based on at least one of velocity or acceleration.
4. The method of claim 1 , determining the transportation mode for the one or more segments comprising differentiating between walk segments and non-walk segments based on at least one of velocity or acceleration. 5. The method of claim 4 , differentiating between the walk segments and the non-walk segments comprising distinguishing between certain segments and uncertain segments based on a length of respective segments.