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    • 2. 发明申请
    • INFORMATION SENSORS FOR SENSING WEB DYNAMICS
    • 感应网络动态信息传感器
    • WO2014194512A1
    • 2014-12-11
    • PCT/CN2013/076908
    • 2013-06-07
    • MICROSOFT CORPORATIONDOU, ZhichengWEN, Ji-Rong
    • DOU, ZhichengWEN, Ji-Rong
    • G06F17/30
    • G06F17/30864
    • Disclosed herein are techniques and systems for building "information sensors," which are programmable "focused crawlers" that periodically discover, extract, analyze and aggregate structured information around a topic from the Web. A platform for building an information sensor allows a user to specify one or more data elements within a data source that the user desires to monitor, and an update frequency at which the data elements are to be extracted. Code may be generated based on the user specifications for creation and submission of the information sensor for storage in a database with metadata containing the code and update frequency. Once created, information sensors are scanned to check if running conditions are met, and if met, they may be executed by retrieving the metadata using a sensor identifier (ID). The code is executed to locate a data source, and periodically extract specified data elements therefrom to output structured time-series data.
    • 这里公开了用于构建“信息传感器”的技术和系统,其是可编程的“聚焦爬行器”,其周期性地发现,提取,分析和聚合来自网络的主题周围的结构化信息。 用于构建信息传感器的平台允许用户指定用户期望监视的数据源内的一个或多个数据元素以及要提取数据元素的更新频率。 可以基于用于创建和提交信息传感器的用户规范来生成代码,用于存储在具有包含代码和更新频率的元数据的数据库中。 一旦创建,扫描信息传感器以检查是否满足运行条件,如果满足,则可以使用传感器标识符(ID)检索元数据来执行它们。 执行代码以定位数据源,并且从中定期提取指定的数据元素以输出结构化的时间序列数据。