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Semantic and context-based retrieval of digital cultural objects [Published in Chinese]

By Binh L. Pham, Jinglan Zhang and Alfredo Nantes

Abstract

Cultural objects are increasingly generated and stored in digital form, yet effective methods for their indexing and retrieval still remain an important area of research. The main problem arises from the disconnection between the content-based indexing approach used by computer scientists and the description-based approach used by information scientists. There is also a lack of representational schemes that allow the alignment of the semantics and context with keywords and low-level features that can be automatically extracted from the content of these cultural objects. This paper presents an integrated approach to address these problems, taking advantage of both computer science and information science approaches. We firstly discuss the requirements from a number of perspectives: users, content providers, content managers and technical systems. We then present an overview of our system architecture and describe various techniques which underlie the major components of the system. These include: automatic object category detection; user-driven tagging; metadata transform and augmentation, and an expression language for digital cultural objects. In addition, we discuss our experience on testing and evaluating some existing collections, analyse the difficulties encountered and propose ways to address these problems

Topics: 080100 ARTIFICIAL INTELLIGENCE AND IMAGE PROCESSING, 080300 COMPUTER SOFTWARE, digital cultural objects, image indexing and retrieval, ontology, context-based retrieval, metadata wrapper and metadata augmentation, object detection, deformable templates
Publisher: Sunchime Publishing
Year: 2009
OAI identifier: oai:eprints.qut.edu.au:30029
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