1. An operating method of a virtual ontological system for a social community, the operating method comprising: storing and maintaining, in a database, a plurality of quantizing expressions having respective meanings and image data associated with each of the plurality of quantizing expressions; collecting a plurality of comments, input by users of the social community, about a predetermined content, the comments including a plurality of user expressions; determining, for each of the plurality of user expressions, a matching quantizing expression in the database according to the meaning of the matching quantizing expression and a meaning of the user expression; generating comment images for each of the user expressions according to the image data associated with the respective matching quantizing expression in the database; and generating summarized image data for the predetermined content by analyzing the generated comment images, wherein generating the summarized image data comprises: combining the generated comment images through at least one of a logical combination, a physical combination, and a chemical combination, and selecting, as the summarized image data, image data corresponding to a result of combining the generated comment images.
1. An operating method of a virtual ontological system for a social community, the operating method comprising: storing and maintaining, in a database, a plurality of quantizing expressions having respective meanings and image data associated with each of the plurality of quantizing expressions; collecting a plurality of comments, input by users of the social community, about a predetermined content, the comments including a plurality of user expressions; determining, for each of the plurality of user expressions, a matching quantizing expression in the database according to the meaning of the matching quantizing expression and a meaning of the user expression; generating comment images for each of the user expressions according to the image data associated with the respective matching quantizing expression in the database; and generating summarized image data for the predetermined content by analyzing the generated comment images, wherein generating the summarized image data comprises: combining the generated comment images through at least one of a logical combination, a physical combination, and a chemical combination, and selecting, as the summarized image data, image data corresponding to a result of combining the generated comment images. 8. The operating method of claim 1 , wherein, when an additional comment on the predetermined content input by another user is collected from the social community or another social community, the operating method further comprises: generating an additional comment image based on image data associated with an additional quantizing expression in the database, the additional quantizing expression having a meaning matching a user expression in the additional comment; and updating, using the additional comment image, the summarized image data for the predetermined content.