• Deducing mode and purpose from GPS data 

      Stopher, Peter; Clifford, Eoin; Zhang, Jun; FitzGerald, Camden
      Published 2008-04-01
      Over the past several years, there has been increasing interest in the use of Global Position System (GPS) devices as a means to measure people’s travel. These devices have been used quite widely to check the validity of ...
      Open Access
      Working Paper