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Title: An object XML framework for rich media retrieval
Other Titles: Li yong dui xiang XML zhi chi feng fu mei ti cha xun zhi ji shu
利用對象 XML 支持豐富媒體查詢之技術
Authors: Mak, Edmund Hon Chung (麥漢忠)
Department: Department of Computer Engineering and Information Technology
Degree: Master of Philosophy
Issue Date: 2004
Publisher: City University of Hong Kong
Subjects: Flash (Computer file)
XML (Document markup language)
Web sites -- Design
Notes: v, 77 leaves : ill. ; 30 cm.
Thesis (M.Phil.)--City University of Hong Kong, 2004
Includes bibliographical references (leaves 73-77)
CityU Call Number: QA76.76.H94 M24 2004
Type: Thesis
Abstract: Rich media is becoming an important component when designing Web pages. It is experiencing a breathtaking growth in recent years, as exemplified by Flash animation movies on the Web, which is gaining widespread usage nowadays. While a lot of efforts have been put on querying text based Web pages, unfortunately, there is very limited research effort dedicated to query Flash movies by content, which is nevertheless critical to the utilization of Flash resources. In this thesis, we present a framework which allows Flash movies to be queried expressively by the end-users. More specifically, we create an OXF (Object XML for Flash) model by converting Flash movies into XML format, followed by annotating spatio-temporal features (XML tags) and converting these tags into persistent objects for later querying purpose. To enhance the performance of OXF model, an indexing technique known as Structural Join Index Hierarchy (SJIH) is adopted and applied to enhance the retrieval of OXF objects. A detailed cost model for query execution through SJIH is developed. Our experimental studies on using SJIH for accessing Flash movies have demonstrated performance advantageous when compared with other indexing techniques.
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