8. A method for managing media contents, comprising: obtaining subtitle information according to a media ID of a media content to be marked; extracting subtitle content information in the obtained subtitle information, marking the subtitle content information chronologically to form multiple media content time segments, and classifying the multiple media content time segments according to defined subject contents to obtain multiple content clips of different subjects; marking start time and end time of each played content clip in media according to time information of the media content time segments, and obtaining multiple content clips which have start and end time information and different subjects; matching the content clips with concepts in an ontology library according to subjects of the content clips which have the start and end time information and different subjects, and marking the content clips through terms defined in the ontology library; extracting the subtitle content information in the obtained subtitle information, and recording an ID and time information of each subtitle content marked with the start time and end time; classifying contents in units of marked subtitle contents according to defined subjects, thus forming multiple content clips which have one or more subjects; and marking the start time and the end time of each played content clip in the media according to the time information.
8. A method for managing media contents, comprising: obtaining subtitle information according to a media ID of a media content to be marked; extracting subtitle content information in the obtained subtitle information, marking the subtitle content information chronologically to form multiple media content time segments, and classifying the multiple media content time segments according to defined subject contents to obtain multiple content clips of different subjects; marking start time and end time of each played content clip in media according to time information of the media content time segments, and obtaining multiple content clips which have start and end time information and different subjects; matching the content clips with concepts in an ontology library according to subjects of the content clips which have the start and end time information and different subjects, and marking the content clips through terms defined in the ontology library; extracting the subtitle content information in the obtained subtitle information, and recording an ID and time information of each subtitle content marked with the start time and end time; classifying contents in units of marked subtitle contents according to defined subjects, thus forming multiple content clips which have one or more subjects; and marking the start time and the end time of each played content clip in the media according to the time information. 10. The method of claim 8 , wherein the method for marking the start time and end time of each played content clip in the media according to the time information comprises: marking the start and end time information of each content clip according to time of the content clip subject appearing in the content clip.