TY - RPRT TI - Using Digital Trace Data to Identify Regions and Cities AU - Brelsford, Christa AU - Thakur, Gautam Malviya AU - Arthur, Rudy D. AU - Williams, Hywel PY - 2019 DO - 10.1145/3356395.3365539 UR - https://www.osti.gov/biblio/1606966 ID - 1606966 ER -