TY - JOUR TI - A taxonomy of quality assessment methods for volunteered and crowdsourced geographic information PY - 2018 AU - Degrossi, Lívia Castro AU - Albuquerque, João Porto de AU - Rocha, Roberto dos Santos AU - Zipf, Alexander T2 - Transactions in GIS SN - 1361-1682 DO - 10.1111/tgis.12329 UR - https://doi.org/10.1111/tgis.12329 PP - Malden, Ma VL - 22 IS - 2 SP - 542-560 ER -