Personalized search method and search apparatus thereof in social network platform

The present invention discloses a personalized search method and a search apparatus thereof in a social network platform. The personalized search method comprises the following steps: carrying out Chinese word segmentation on a microblog text of a user; extracting feature words from a word segmentation result as interest tags of the user; carrying out quantitative calculation on the interest tags by using a vector space model to acquire a match degree measure of a page and user interests; and finally, realizing a personalized ranking result based on user interests by combing a Lucene scoring mechanism with the match degree measure of the page and the user interests. The personalized search apparatus comprises: a processing module, an extraction module, an acquisition module, and a ranking module. By using the method and the apparatus of the present invention, the personalization of search results is realized to a maximum extent, so that the pages according with more interests of a user are greater in weight and topper in ranking so as to improve satisfaction degree of the user. Meanwhile, the automation degree is improved, so that the method and the apparatus can better adapt to changes of user demands.