间接行为是用户兴趣度估计的主要行为来源。
Implicit behaviors are the main source behaviors in the estimation of users' interesting degree.
同时，进一步分析不同行为所体现的不同的用户兴趣度的等级，以及不同用户行为体现不同的用户兴趣度的能力。
At the same time, the ability and the degree of how different user actions to indicate the user interest are also discussed.
MDRBR算法采用单一的规则支持度阈值进行缺省规则的挖掘，这不利于有效地挖掘出用户感兴趣的缺省规则。
MDRBR algorithm USES uniform minimum support threshold for mining default decision rules, the method can not effectively mine the interesting default decision rules to users.
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