The series of workshops on Agricultural Ontology Services (AOS) began in 2001 as an occasion to gather researchers and practicioners in the area of semantically-driven information management in agriculture. AOS workshops have grown over the years, but they still keep an informal touch to it.

• AOS Workshop 2012. Kuching (Malaysia), September 3-4, 2012
• AOS Workshop 2011. Bangkok (Thailand), February 9-10, 2012
• AOS Workshop 2010. Bejing (China), October 30-31, 2010
• AOS Workshop 2007. Rome (Italy), September 21–22, 2007
• AOS Workshop 2006. Bangalore (India), November 10-11, 2006
• AOS Workshop 2005. Vila Real (Portugal), July 26-27, 2005
• AOS Workshop 2004. Beijing (China), April 27-29, 2004
• AOS Workshop 2003. Copenhagen (Denmark), 2003
• AOS Workshop 2002. Oxford (United Kingdom), 24 January 2002
• AOS Workshop 2001. Rome (Italy) , 14-15 November 2001