With the increasing popularity of Internet, e-WOM became an important information source for tourists in choosing their tourism destinations.

随着网络的日渐普及，网络口碑成为旅游者制定外出旅游计划、选择旅游目的地时的重要信息来源。

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It also provides a crucial method for integration of heterogeneous information source in E-Commerce.

该系统的实现也为电子商务中广泛应用的异构信息源集成提供了关键技术支持。

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