The technology behind StreetTiVo

StreetTiVo: Using a P2P XML Database System to Manage Multimedia Data in Your Living Room

by Ying Zhang, Arjen de Vries, Peter Boncz, Djoerd Hiemstra, and Roeland Ordelman

StreetTiVo is a project that aims at bringing research results into the living room; in particular, a mix of current results in the areas of Peer-to-Peer XML Database Management System (P2P XDBMS), advanced multimedia analysis techniques, and advanced information retrieval techniques. The project develops a plug-in application for the so-called Home Theatre PCs, such as set-top boxes with MythTV or Windows Media Center Edition installed, that can be considered as programmable digital video recorders. StreetTiVo distributes computeintensive multimedia analysis tasks over multiple peers (i.e., StreetTiVo users) that have recorded the same TV program, such that a user can search in the content of a recorded TV program shortly after its broadcasting; i.e., it enables near real-time availability of the meta-data (e.g., speech recognition) required for searching the recorded content. Street- TiVo relies on our P2P XDBMS technology, which in turn is based on a DHT overlay network, for distributed collaborator discovery, work coordination and meta-data exchange in a volatile WAN environment. The technologies of video analysis and information retrieval are seamlessly integrated into the system as XQuery functions.

The paper will be presented at the Joint International Conferences on Asia-Pacific Web Conference (APWeb) and Web-Age Information Management (WAIM) on 1-4 April, 2009 in Suzhou, China

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