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Knowledge Map Mining of Financial Data
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作者 Wenhui Shou Wenhui Fan +1 位作者 Boyuan Liu Yuyang Lai 《Tsinghua Science and Technology》 SCIE EI CAS 2013年第1期68-76,共9页
The Knowledge Map (KM) concept, which was derived to describe and manage knowledge. KM provides insight into the from the Fuzzy Cognitive Map (FCM), is used interdependencies and uncertainties contained in the sys... The Knowledge Map (KM) concept, which was derived to describe and manage knowledge. KM provides insight into the from the Fuzzy Cognitive Map (FCM), is used interdependencies and uncertainties contained in the system. This paper uses a model-free method to mine KMs in historical data to analyze component stock corporations of the Shanghai Stock 50 index. The analyses use static and time-domain analyses. The results indicate that a knowledge map is useful for representing knowledge and for monitoring the health of companies. Furthermore, sudden changes of the key features of the KMs should be taken seriously by policymakers as an alarm of a crisis. 展开更多
关键词 Knowledge Map (KM) data mining health monitoring crisis warning
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