By correlating specific text-based purpose labels with time-series data (like START_DATE and END_DATE ), you can predict the likelihood of a user’s next trip.
This allows for Proactive Dispatching , where a vehicle is pre-positioned near a user's likely start point before they even open the app, based on their historical text-logged behavior. uber-90.txt
While "uber-90.txt" appears to be a specific data file—likely linked to or the Uber-Text OCR project —a powerful "deep feature" to derive from such a text-based log would be Predictive Intent Scoring . Deep Feature: Predictive Intent Scoring uber-90.txt