Metadata in web information services and systems

Proceedings of the IEEE/LEOS 3rd International Conference on Numerical Simulation of Semiconductor Optoelectronic Devices (IEEE Cat. No.03EX726) Pub Date : 1900-01-01 DOI:10.1109/LAWEB.2003.1250310

E.M. Mendez Rodriguez

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Abstract

Metadata, specifically DCMI (Dublin Core Metadata Initiative) and its element set ISO 15836-2003, establishes one of the operational infrastructures of the Semantic Web and one of the interoperability main keys for electronic information management and retrieval. This metadata schemas, beside XML/RDF syntactic code, the content description schemes (ontologies, topic maps, thesaurus, etc.) and a set of protocols for information interchange, will be the protagonists of the Second Generation of the Web. This landscape will be reflected by this tutorial. Its specific aims are: To present an introduction to the metadata concept and application. To define the metadata role in Web systems and services, versus its role in global information retrieval by all the web search engines. To present the general principles for any metadata project, mainly metadata schemas assessment and selection. To reflect the metadata schemas, models and standards possibilities and their syntax and coding (HTML/XML/RDF), and their heterogeneity problems and the need of planning interoperability between different web information objects. To explain paradigmatic cases of metadata management in subject gateways, their particularities and prospective use.

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网络信息服务和系统中的元数据

元数据，特别是DCMI(都柏林核心元数据倡议)及其元素集ISO 15836-2003，建立了语义网的操作基础设施之一，也是电子信息管理和检索的互操作性关键之一。这些元数据模式，以及XML/RDF语法代码、内容描述模式(本体、主题图、同义词库等)和一组用于信息交换的协议，将成为第二代Web的主角。这个场景将在本教程中反映出来。它的具体目标是:介绍元数据的概念和应用。定义元数据在Web系统和服务中的角色，以及它在所有Web搜索引擎的全局信息检索中的角色。介绍任何元数据项目的一般原则，主要是元数据模式的评估和选择。反映元数据模式、模型和标准的可能性及其语法和编码(HTML/XML/RDF)，以及它们的异构性问题和规划不同web信息对象之间互操作性的需要。解释主题网关中元数据管理的典型案例，它们的特殊性和未来的用途。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of the IEEE/LEOS 3rd International Conference on Numerical Simulation of Semiconductor Optoelectronic Devices (IEEE Cat. No.03EX726)

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