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IEEE/ICACT20220190 Question.4 Questioner: tomayoon@ieee.org 2022-02-16 오후 9:42:34	IEEE/ICACT20220190 Answer.4 Answer by Auhor quandh@vnu.edu.vn 2022-02-16 오후 9:42:34
Will you tell us what is the major achievement of this paper, and also what is further study issue from this? Thanks in advance!!	Thanks for your question. The main achievement of our work is development of a fast recommendation method (i.e. the training time is 3 times faster and the average inference time is almost 133 times faster than traditional USER-Collaborative Filtering). The method, besides, can address the item cold-start problem well. However, as a trade-off, the MAE and RMSE of the method is slightly increased. This will be our future direction to design new clustering-based methods to not only achieve a fast execution time, but also lower the error is.

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