%0 Journal Article %K Yuri Lotman %K semiosphere theory %K nonprofessional archaeology %K digital heritage %K archaeology-related communities %B Open Archaeology %D 2018 %G eng %P 350-364 %R 10.1515/opar-2018-0022 %T Archaeological Knowledge Production and Global Communities: Boundaries and Structure of the Field %U http://doi.org/10.1515/opar-2018-0022 %V 4