| With the advancement of digital archiving technology and World Wide Web in recently years, how to organize, integrate and represent relations and concepts that are mebedded in multiple and heterogeneous digital archives is more important. Knowledge organization and knowledge representation become the hot topic nowadays. Topic map become the highlight in many knowledge organization technologies and knowledge representation languagesIn this paper, documentation reviewing method, expert consulation method, software developing method and comparing analysis method are used. The aim of the paper is to grasp the general advancement of topic map, exploring the key problems such as principle, methods, steps in topic map-based application and giving an evaluation and prospect for topic map.This paper is divided into five sections. Section 2 gives an overview of the background, theory foundation and core concepts of topic map. After comparing with some other knowledge organization technologies, such as index, glossary, thesaurus, taxonomy, concept map, ontology and semantic web, the suitability of topic map for digital information organization is discussed. Section 3 give some introduction to the advancement of topic map,such as standard designation, topic map and semantic interoperation, semantic exploration, visualization of topic map, interoperation between topic map and other knowledge representation language. Section 4 presents the topic map-based knowledge navigation experiment for a dust devil digital archive. The principle, steps and methods in topic map-base application are discussed. A tool developed for edit, store and export topic map(XTM) and a tool for signing the digital archive with the topic map are presents. The last part gives a conclusion and future work.
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