Based on some data from Beida Tianwang and the Web evolution experiment done by Cho, this paper gives a formulation which computing the freshness of a synthetic search engine in China when it does the fixed-period crawling and index.

  • 该文利用北大天网的实际搜集和Cho所检测Web变化的实验数据,计算了国内综合性搜索引擎在定期全面搜集时的时新性。

  • 互联网摘选 2025-01-20 17:40:10

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句