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    • 2. 发明授权
    • Computer apparatus
    • 计算机设备
    • US08037105B2
    • 2011-10-11
    • US10593585
    • 2005-03-18
    • Ian C KegelJeremy M ThorneMartin RussTimothy S StevensJason Morphett
    • Ian C KegelJeremy M ThorneMartin RussTimothy S StevensJason Morphett
    • G06F17/30G06F7/00
    • G06F17/30289
    • A computer apparatus which uses a database (22) to offer persistent storage of metadata (36) describing the content of media files (32). Metadata is used to create a personalized media article (48) from those media files. That metadata also indicates relationships between those media files. In order to accelerate the creation of the personalized media article (48), media element metadata items are stored in a cache. The usefulness of this cache is improved further by reading related media elements data from retrieved metadata items (36), and then pre-fetching those items and placing them in the cache. Because the relatedness of the data items means that the related data item is more likely to be required in the near future, the caching method is more useful than known caching methods. Furthermore, the improved usefulness of the cache is achieved without placing constraints on where the data items are placed in the persistent storage.
    • 一种使用数据库(22)提供描述媒体文件(32)的内容的元数据(36)的持久存储的计算机装置。 元数据用于从这些媒体文件创建个性化媒体文章(48)。 该元数据还指示这些媒体文件之间的关系。 为了加速个性化媒体文章(48)的创建,媒体元素元数据项被存储在高速缓存中。 通过从检索到的元数据项(36)读取相关媒体元素数据,然后预取这些项并将它们放置在高速缓存中,进一步提高了该高速缓存的有用性。 因为数据项的相关性意味着相关数据项在不久的将来更有可能被要求,因此缓存方法比已知的缓存方法更有用。 此外,在不对数据项置于持久存储器中的位置施加限制的情况下实现高速缓存的改进的有用性。