Abstract: Provided are a system and method of providing a recommended article corresponding to a user's criteria. The system includes a recommender information storing unit that stores information of recommenders recommending articles; a recommended article registering unit where the articles recommended by the recommenders are registered; a recommendation criteria storing unit that receives recommendation criteria from users wanting to receive recommended articles, the recommendation criteria including recommender selection criteria for recommenders from whom the users want to receive the recommended articles; a recommended article extracting unit that extracts articles recommended by the recommender corresponding to the recommender selection criteria, as the recommended articles, according to criteria registered in the recommendation criteria storing unit; and a recommended article providing unit that provides the extracted recommended articles to the users.

Abstract: Provided are a system and a method for selling a ticket by auction. The system includes: a bidding price input unit which receives the number of tickets sold in the auction and bidding prices from accessed bidders; an auctioned rank calculator which calculates auctioned ranks estimated when the auction is ended, by using the bidding prices of the bidders and calculating an expected lowest successful bidding price which is a bidding price to be input by the bidder so that the bidder is a successful bidder, by using a total number of tickets sold; and an auctioned price calculator which calculates an auctioned price of each successful bidder of the auction when the auction is ended, wherein if the bidder bids at a price lower than the expected lowest successful bidding price, the bidding price input unit does not accept bidding of the bidder.

Abstract: Provided are a method and system for providing services based on authentication of college students. According to the present invention, a verification code is transmitted to an email account that is provided by a college, a college student who inputs the same verification code is authenticated, and the authenticated college student provides the services including an essay providing service or an essay review service, based on the verified identity of the college student.

Abstract: A method and system for writing and searching for subjective definitions, opinions, and feelings about a predetermined issue such as a word and a phrase.

Abstract: A method of online providing brand profiling information of a celebrity, the method including the operations of having a brand selected for each product category by a plurality of connectors who connect to a website, and having a person selected, wherein the person is approved to match well with the brand; increasing a number indicating how many times the person is selected whenever the person is selected by the plurality of connectors, and when the number exceeds a predetermined reference, changing data indicating whether the person needs to be requested to open his/her brand profiling into an open status, and extracting the person the data of whom is changed to the open status; requesting the person for performing brand profiling; having the person select a brand for the each product category; and opening the brand selected by the person.

Abstract: Provided are a method and system for providing services based on authentication of college students. According to the present invention, a verification code is transmitted to an email account that is provided by a college, a college student who inputs the same verification code is authenticated, and the authenticated college student provides the services including an essay providing service or an essay review service, based on the verified identity of the college student.