Journal
Scientific journal NRU ITMO Series "Economics and Environmental Management"
UDK332.13
Issue:2 (17)
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The paper describes what hidden purposes users follow when set up an account at one of the DEA services. The definition of DEA services is provided. The purposes of using DEA services are then described and split into different categories and the estimation is given in the end of the paper. Each category is described for understanding the meaning of splitting the data. The results include the final statistics which breaks down all the messages and provides detailed analysis of users using DEA service. The matter of legitimate use is discussed in the end of the paper.