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给出了多媒体数据库的元数据结构 ,对元数据的生成、基本媒体元数据 (文本元数据、音频元数据、图像元数据和视频元数据 )的存取方法进行了论述。描述了多媒体数据库的查询语言和查询管理结构。从媒体的内容及信息特征入手 ,抽象出元数据的存储与检索方法。
The metadata structure of multimedia database is given, and the methods of generating metadata and accessing the basic media metadata (text metadata, audio metadata, image metadata and video metadata) are discussed. Describes the multimedia database query language and query management structure. Starting from the media content and information characteristics, meta-data storage and retrieval methods are abstracted.