Method and device for determining correlation between microblog and given entity

The invention relates to a method and a device for determining the correlation between a microblog and a given entity. The method for determining the correlation between each of multiple microblogs and the given entity includes the following steps: extracting the characteristics of each of the multiple microblogs; determining the similarity among the microblogs according to the extracted characteristics; and determining the correlation between each of the multiple microblogs and the given entity through utilization of the determined similarity among the microblogs on the basis of a semi-supervised classifier.