ACC 2017, ACC 2018, ACC 2019, ACC 2020, ACC 2021, ACIT 2016, ACL 2002, ACL 2005, ACL 2008 SRW 2008, ACL 2011, ACL 2014, ACM GIS 2004, ACM GIS 2006, ACM GIS 2007, ACM GIS 2008, ACM GIS 2009, ACM GIS 2010, ACM SAC IAR 2009, ACM SAC MCA 2009, ACM SAC OE 2009