| 摘要 |
In an exemplary method, content instances and metadata associated with the content instances are maintained, a request for content is received, one of the content instances is identified based on the request, at least one other of the content instances is identified as being related to the one content instance based on a predefined relationship heuristic and the metadata associated with the content instances, and data representative of the one content instance and the other content instance is provided in response to the request. In certain embodiments, the related content instance is identified by identifying a metadata value associated with the one content instance and a common metadata value associated with the other content instance. In certain embodiments, the common metadata value includes at least one of a common location data value, a common time data value, a common user identifier, and a common content type.
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