Computer apparatus

Data processing: database and file management or data structures – Database design – Database and data structure management

Reexamination Certificate

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C707S769000, C707S796000, C707S812000

Reexamination Certificate

active

08037105

ABSTRACT:
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.

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