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A Hotel Hybrid Recommendation Method based on Context-Driven using Latent Dirichlet Allocation | IEEE Conference Publication | IEEE Xplore

A Hotel Hybrid Recommendation Method based on Context-Driven using Latent Dirichlet Allocation


Abstract:

Recommendation systems play an important role in helping users find items that they want. Normally, ratings are used in content-based filtering (CBF) and collaborative fi...Show More

Abstract:

Recommendation systems play an important role in helping users find items that they want. Normally, ratings are used in content-based filtering (CBF) and collaborative filtering (CF) for recommendation. However, only ratings are not enough for recommendation. Thus, contextual information, context driven and Latent Dirichlet Allocation (LDA) are used to improve recommendation. Also, the context of individual user has changed in the timeline (context-driven). In this work, a hotel hybrid recommendation method (CF+CBF) based on context-driven using LDA is proposed. Firstly, we find missing user ratings of user-hotel rating matrix by applying LDA on user ratings in order to get predicted score of hotels for a target user. Secondly, we find a group of users similar to target users (neighbors). Then, we apply context-driven to recommend hotels that meet current interest of target user. To evaluate the proposed method, we compared our proposed methods to either CBF or CF integrating with LDA by measuring nDCG. The result shows that our proposed method outperforms in accurate result.
Date of Conference: 10-12 July 2019
Date Added to IEEE Xplore: 14 October 2019
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Conference Location: Chonburi, Thailand

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