The extract request contains the metadata about the selected source database tables.
该提取请求包含关于选择的源数据库表的元数据。
Native support for OpenCalais means users can now extract rich semantic metadata about people, places, companies, and events.
本地支持OpenCalais意味着用户可以获得大量有关人物、地点、公司和事件的语义元数据。
Native support for OpenCalais means users can now extract rich semantic metadata about people, places, companies, and events.
本地支持OpenCalais意味着用户可以获得大量有关人物、地点、公司和事件的语义元数据。
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