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The causal sequence investigation of the ring current ion-flux increasing and the magnetotail ion injection during a major storm被引量：4
《Science China Earth Sciences》2016年第1期129-144,共16页LU Li S MCKENNA-LAWLOR CAO JinBin K KUDELA J BALAZ 
the National Natural Science Foundation of China(Grant Nos.41431071,41574152);the National Basic Research Program of China(Grant No.2011CB811404);the Strategic Priority Research Program on Space Science,the Chinese Academy of Sciences(Grant No.XDA04060201)
Comprehensive records are available in ENA data of ring current activity recorded by the NUADU instrument aboard TC-2 on 15 May, 2005 during a major magnetic storm （which incorporated a series of substorms）. Ion flu...
关键词：Energetic neutral atoms Ring current Energetic particles Energetic ions injection 
A formal model of fair exchange protocols被引量：9
《Science in China(Series F)》2005年第4期499-512,共14页QING Sihan1,2,3 & LI Gaicheng1,2,3 1. Engineering Research Center for Information Security Technology, Institute of Software, Chinese Aca- demy of Sciences, Beijing 100080, China 2. Beijing Zhongke Ansheng Corporation of Information Technology, Beijing 100080, China 3. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China 
the Natural Science Foundation ofBeijing(Grant No.4052016);the National Natural Science Foundation of China(Grant No.60083007); the National Grand Fundamental Research 973 Program ofChina(Grant No.G1999035802).
Based on the study of existing fair exchange protocols, this paper sets up an accurate formal model by stepwise refinement. In the process of refinement an unreliable channel is employed to simulate an attack behavior...
关键词：EVENTS local causal relation local temporal relation global relation exchanged item security  goals. 
Knowledge Map： Mathematical Model and Dynamic Behaviors被引量：5
《Journal of Computer Science & Technology》2005年第3期289-295,共7页HaiZhuge Xiang-FengLuo 
国家自然科学基金，国家重点基础研究发展计划(973计划)
Knowledge representation and reasoning is a key issue of the Knowledge Grid. This paper proposes a Knowledge Map (KM) model for representing and reasoning causal knowledge as an overlay in the Knowledge Grid. It exten...
关键词：knowledge representation causal relation fuzzy cognitive maps knowledge grid 
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