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Short message service(SMS) is now becoming an indispensable way of social communication,and the problem of mobile spam is getting increasingly serious.We propose a novel approach for spam messages detection.Instead of conventional methods that focus on keywords or flow rate filtering,our system is based on mining under a more robust structure:the social network constructed with SMS.Several features,including static features,dynamic features and graph features,are proposed for describing activities of nodes in the network in various ways.Experimental results operated on real dataset prove the validity of our approach. 相似文献
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介绍了高压电动机随机就地补偿的节电机理和补偿容量的确定,以及其减少网络电能损耗,提高网络电压质量,减少用户电费支出和增加网络供电容量等经济效益的分析。 相似文献
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空压机10kV电动机随机就地补偿技术和经济效益分析 总被引:2,自引:0,他引:2
介绍了高压电动机随机就地补偿的节电机理和补偿容量的确定,以及其减少网络电能损耗,提高网络电压质量,减少用户电费支出和增加网络供电容量等经济效益的分析。 相似文献
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