peux tu résumer l'article "NAME_1 commutative replicat-ed data type for cooperative editing", publié par Preguiça, N., Marques, J. NAME_2., NAME_3 NAME_2., & NAME_4 NAME_2. (2009).. In 2009 29th IEEE International Conference on Distributed Computing Systems (pp. 395-403). IEEE. The response should be in all capital letters.
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