1. A method for reconciling detailed user transaction feedback with a numerical transaction rating by a user that rates a seller of an item, comprising: detecting, by one or more computer processors, that the transaction rating indicates a negative experience; using a positive sentiment mining tool, mining a sentiment of words in the feedback and detecting that the words indicate positive sentiment; responsive to detecting that the words indicate positive sentiment, preparing confirmatory content to present to the user for confirming that the transaction rating indicates a negative experience; displaying the confirmatory content to the user on a first user interface via the Internet; receiving from the user, via the Internet, responsive to displaying the confirmatory content, confirmatory information that confirms that the transaction rating indicates a negative experience; responsive to receiving the confirmatory information, transforming a state of the transaction rating to a state that reconciles the transaction rating and the positive sentiment; using the reconciled transaction rating, preparing content that measures trustworthiness of the seller; and displaying the content that measures trustworthiness of the seller to buyers on a second user interface via the Internet.