The present invention provides an online web text based event history analysis service system, and a method thereof. The present invention collects web documents disclosed on a new article on a web site, a cafe or a blog, etc. to extract information about an event, which is collected from the web document. The present invention analyzes event related various information such as an event schedule and a place in the past, success or failure of the event, a subjective evaluation of the public, etc. so as to supply the information to the related user.
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