9. In a computing environment, a system comprising: a segmentation mechanism configured to separate GPS data into a plurality of segments; a feature extraction mechanism configured to extract features for respective segments; and an inference model configured to use at least some of the features extracted for respective segments to infer a transportation mode for respective segments.
9. In a computing environment, a system comprising: a segmentation mechanism configured to separate GPS data into a plurality of segments; a feature extraction mechanism configured to extract features for respective segments; and an inference model configured to use at least some of the features extracted for respective segments to infer a transportation mode for respective segments. 14. The system of claim 9 , the segmentation mechanism comprising means for merging a segment below a threshold length into another segment.