Managing and querying video by semantics in digital library

Authors:
Yu Wang;Chunxiao Xing;Lizhu Zhou
Affiliations:
Department of Computer Science and Technology, Tsinghua University;Department of Computer Science and Technology, Tsinghua University;Department of Computer Science and Technology, Tsinghua University
Venue:
ECDL'06 Proceedings of the 10th European conference on Research and Advanced Technology for Digital Libraries
Year:
2006

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Abstract

Management of video data is an indispensable part of digital library. However, currently most digital library systems only provide the functionality of retrieving video data by meta-data which can not fulfill users’ requirements. This is due to the lack of appropriate video semantic model and powerful query interface. In this paper, we propose such a model named SemTTE together with its query language VSQL. The model incorporates features of temporal structure and typed events of video contents and organizes the whole video into a tree of events. It is implemented based on XML technology with schema and instance mapped to DTD and XML documents, and queries transformed to XQuery for evaluation.