| 摘要 |
A method of and system for updating locally cached content descriptor information is disclosed. A method includes providing a remote catalog of metacontent associated with content items that describes their informational content. The method also includes providing a local collection of content items and associated metacontent. The method further includes, updating the metacontent associated with the content items of the local collection with metacontent of the remote catalog based on matching the content items of the local collection and remote catalog. The method includes receiving query input from the user for finding desired content items and determining a subset of content items of the local collection associated with metacontent that at least partially matches the query input in which at least one of the matching metacontents is from the remote catalog. The method also includes presenting the subset of content items based on at least one ranking criterion.
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