According to an embodiment of the present invention, disclosed is an analysis server which comprises one or more processors and a storage medium. The storage medium includes a preliminary analysis processing means for individually generating one or more first data sets structuring a target and an emotion on the target based on a keyword included in an expression included in a plurality of web pages crawled through an Internet network, grouping the first data sets based on one or more targets appeared in the first data set, and generating a second data set including an emotion of each of the grouped targets and a sequence of the emotion of each of the targets.
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