Instance metadata simply is data stored in a content management metadata repository and refers to objects stored somewhere else, such as documents, Web pages, audio, and video files.
实例元数据只是储存在内容管理元数据储存库中的数据，并引用存储在别处的对象，例如文档、web页面、音频和视频文件。
Today, the management and search based on video files and their describing are done mainly which can't be operated from the intra-content of video, however, this is usually what the users care.
目前，对于视频的管理和检索主要体现在基于视频文件和其描述方面，而从视频文件内部进行操作，即对基于视频的实际内容进行处理更是用户所关心的。
Because video information is heavy, and abundant in content, video effective management and search becomes a difficult subject.
由于视频信息信息量大，内容丰富，使得对其进行有效的管理和检索成为一个困难而又必须解决的课题。
Because video information is heavy, and abundant in content, video effective management and search becomes a difficult subject.
由于视频信息信息量大，内容丰富，使得对其进行有效的管理和检索成为一个困难而又必须解决的课题。
应用推荐