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A novel public security cases knowledge navigation system based topic maps

The information construction plays an essential role in the area of public security. However, the “Information Silo” phenomenon in Public Security Department has become a bottleneck of the development of public security. The paper proposes a novel approach to implement a public security knowledge navigation system, utilizing the information extraction to obtain the ontology for the topic maps of public security cases. And the topic maps integrate useful information to analyze and find relations among cases not only assistant investigators to systematize public security information resources, but also contribute to fully master all of information related to the participates. In particular, the paper proposed a visual navigation for the topic maps which can improve the efficiency and accuracy of public security staffs.