Abstract: There are disclosed a method for managing a pollution prevention facility and a system for effectively managing the pollution prevention facility which can exhaust pollutants, and a system thereof. A method for managing a pollution prevention facility includes a first measuring step of measuring pollutants before a pollution prevention facility treats a pollutant outlet; a second measuring step of measuring the amount of pollutants after the pollution prevention facility treats the pollutant outlet; and a managing step of managing an exchange period of a filling material provided in the pollution prevention facility.

Abstract: An apparatus and method of receiving broadcasting content and generating program summary information corresponding to received broadcasting content, and an apparatus and method of providing the generated program summary information are provided. Real-time broadcasting content may be received through a tuner of a program summary information generating apparatus. The program summary information is extracted from the received real-time broadcasting content, and may be stored and provided to a user via a display unit. In view of the program summary information, a user may understand, for example, the flow of the broadcasting content, even if the user missed a part of the broadcasting content.

Abstract: Provided are method of storing broadcast contents, a method of displaying stored broadcast contents and an apparatus therefor. In method of storing the broadcast contents by analyzing the received broadcast contents, grouping the contents that are similar to each other, and arranging the contents sequentially in time, the method includes classifying a broadcasting signal received from an external broadcast contents provider into an unit segment of a first item, determining at least one keyword representing the first item that is classified into the unit segment, storing the first item as a sub-ordinate item of a first sub contents group according to the determined keywords, and arranging the first sub contents group including the stored first item sequentially in time, so that the progress of specific broadcast contents can be easily identified by each time slot.