图3显示了带消息日志记录的请求流，图4显示了带消息日志记录的响应流。
Figure 3 shows the request flow with message logging, and Figure 4 shows the response flow with message logging.
利用有向带权图表示用户的访问会话记录，对建立的有向带权图模型运用聚类算法实现页面聚类。
This paper use weighted directed graph to describe user visit and conversation records, and use clustering algorithms to realize the page clustering by the weighted directed graph mode established.
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