What you are talking about is the collection of some public information for sites such as Linkin and Where to go, right?

If the book in this regard, the current big data technology network information collection can be done.

The collection system in addition to supporting common text format collection, also supports pdf, rar and other attachments automatically collected, without having to configure a separate template the system supports. At the same time, the system supports the Chinese, English, French, German, Japanese, Korean, Viennese, Arabic and other languages.

The other involves public opinion monitoring technology.