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Existing distributed real-time cooperative systems mainly deploy operation transformation technique to provide the concurrence control service. However, this results in low performance when the system produces a large amount of collaborative data. To solve this problem, a concurrency control framework named madOPT is then proposed in this paper, which resolves conflicts by utilizing semantics of the operations and the collaborative data objects. In addition, madOPT integrates data transmission framework with operation transformation method and can dynamically load data objects into the running system.