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Metadata Management Based on Set-Top Box in Digital Broadcasting Environments

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3 Author(s)
Jong-Hyun Park ; Software Res. Center, Chungnam Nat. Univ., Daejeon ; Soon-Jong Kang ; Ji-Hoon Kang

Digital broadcasting as new generation broadcasting offers a new opportunity for interactive services. For variety services of broadcasting, the broadcasting metadata becomes increasingly important and one of the metadata standards for a digital broadcasting is TV-Anytime metadata. There are some researches for dealing with broadcasting metadata. In our previous study, we have proposed the method for efficiently managing the broadcasting metadata in a service provider. However, the environment of a set-top box for digital broadcasting is limited such as low-cost and low-setting. Therefore there are some considerations to apply general approaches for managing the metadata into set-top box. This paper proposes a TV-Anytime metadata management system based on set-top box which is consisted of storage engine and XQuery Engine. For interoperability, XQuery engine uses XQuery for searching TV-Anytime metadata in XML because XQuery is a standard query language for XML data. Also we propose a storage engine for storing the metadata which uses a file-based indexing method for managing the stored data. Our two engines are designed independently with hardware platform therefore these engines can be used in any low-cost applications to manage broadcasting metadata. We implement a prototype system and evaluate the system.

Published in:

Computer Science and Software Engineering, 2008 International Conference on  (Volume:4 )

Date of Conference:

12-14 Dec. 2008