Abstract
User-generated online reviews are critical in P2P accommodations. They contain a wealth of information about the opinions and experiences of users, which help better understand consumer decisions and improve products and services. However, the huge volume of reviews makes it difficult for potential customers to gain useful insights and for managers to track customer opinions. To address these problems, we first use topic modeling techniques for customer opinion mining. Then, we build a deep learning network for sentiment analysis. Finally, we perform sentiment analysis of the reviews at the aspect level to obtain the sentiment vector representation of the accommodation. Moreover, we design a visual analytic system with a user-friendly interface to facilitate interactive analysis. Evaluation including user and case studies demonstrates the usefulness and effectiveness of this system.
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