Considerations about TV Anytime

Metadata is generally defined as data about data. Within the TV-Anytime environment, the most visible parts of metadata are the attractors/descriptors or hyperlinks used in electronic program guides, or in Web pages.
This is the information that the consumer or agent will use to decide whether or not to acquire a particular piece of content.

The TV-Anytime metadata system allows the consumer to find, navigate and manage content from a variety of internal and external sources including, for example, enhanced broadcast, interactive TV, Internet and local storage. It should be able to make use of information, e.g. consumer profiles and preferences either manually or automatically, possibly through the use of agents.

There is a need to associate metadata with content to facilitate human and automated searching for content of interest. Such metadata will include descriptive elements and attractors to aid the search process as well as elements essential to the acquisition, capture and presentation processes; content rights, formats, duration etc.
Many of these descriptive elements can be found in electronic program guides and HTML documents.

The process of creation and evolution of metadata for an individual content item may involve many organizations during the course of creation, distribution and delivery to the consumer. Thus, there is a clear need to define a common metadata framework and a minimum set of metadata elements in order to ensure a high level of interoperability within the chain from content creation to content delivery.

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