Abstract
To further increase the successful recommendation rate of a ubiquitous hotel recommendation system, an incremental learning and integer-nonlinear programming approach (INLP) is proposed in this study to mine users’ unknown preferences. In the proposed methodology, an INLP problem is solved to adjust the values of weights in the recommendation mechanism to be closer to those in the decision-making mechanism so as to maximize the successful recommendation rate. In addition, the weights are adjusted on a rolling basis so that more historical data can be considered without inflating the INLP model. The experimental results showed that the proposed methodology outperformed several existing methods in increasing the successful recommendation rate, even with a cold start.
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This study was sponsored by the Ministry of Science and Technology, Taiwan.
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Chen, TC.T., Wang, YC. An incremental learning and integer-nonlinear programming approach to mining users’ unknown preferences for ubiquitous hotel recommendation. J Ambient Intell Human Comput 10, 2771–2780 (2019). https://doi.org/10.1007/s12652-018-0986-x
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DOI: https://doi.org/10.1007/s12652-018-0986-x