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Semantic MPEG Query Format Validation and Processing

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7 Author(s)
Doeller, M ; University of Passau , Passau ; Tous, R. ; Gruhne, M. ; Choi, M
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The MPEG Query Format (MPQF) has been developed for providing a standardized interface to multimedia document repositories by members of MPEG (ISO/IEC JTC1/SC29/WG11). The MPQF schema specifies a format for queries and replies to be interchanged between client and servers in a multimedia information search and retrieval environment. This paper presents a validation and processing architecture for the MPEG Query Format. The components of the framework introduced in detail consists of two parts. The first one is a syntactic and semantic validator which checks syntactic and semantic rules according to the underlying XML schema in order to create a semantic valid request. Especially, this paper introduces methods for evaluating MPQF semantic validation rules that are not expressed by syntactic means within the XML schema. Second, this paper highlights a first prototype implementation of a MPQF capable processing engine considering the evaluation of the textit{QueryByFreeText, QueryByXQuery, QueryByDescription} and textit{QueryByMedia} query types on a set of MPEG-7 based annotations of images.

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MultiMedia, IEEE  (Volume:PP ,  Issue: 99 )