The project was a COST Action running between 2006 and 2010. Its main objective was to gain a deeper understanding of human categorisation as reflected in different types of classification systems. More specifically, the project investigated the following aspects of classification systems :
Project home page: http://www.cost.eu/domains_actions/isch/Actions/A31
[1] COST A31 Memorandum of Understanding, available at: http://w3.cost.eu/fileadmin/domain_files/ISCH/Action_A31/mou/A31-e.pdf