中文摘要：

多模态web信息融合系统能对多模态信息进行综合处理，降低信息的不确定性，为用户提供更为丰富和准确的信息。本文首先对多模态信息融合的理论内涵及多模态信息融合系统的服务层次进行分析，并设计了多模态Web信息融合系统的组件化模型。最后从服务架构、服务模式、服务平台、服务策略四个方面对系统服务机制进行分析论述。

英文摘要：

Multi-modal web information fusion system can process multi-modal information, reduce the uncertainty of information and provide users with richer and more accurate information. First, this article analyzed the theoretical connotation of multi-modal information fusion and the service levels of multi-modal information fusion system. Then, analyzed the system service mechanism by the service architecture, service model, service platform, service strategy four aspects.