Design and implementation of resources’ presentation platform based on metadata

doi:10.3778/j.issn.1002-8331.2009.25.043

Computer Engineering and Applications ›› 2009, Vol. 45 ›› Issue (25): 141-144.DOI: 10.3778/j.issn.1002-8331.2009.25.043

• 数据库、信息处理 • Previous Articles Next Articles

Design and implementation of resources’ presentation platform based on metadata

GAO Ni¹，ZHOU Ming-quan²，GENG Guo-hua¹，HE Yi-yue¹

1.Dept. of Information Science & Technology，Northwest University，Xi’an 710127，China
2.Dept. of Information Science & Technology，Beijing Normal University，Beijing 100875，China

Received:2008-05-13 Revised:2008-06-27 Online:2009-09-01 Published:2009-09-01
Contact: GAO Ni

网络科技资源平台中元数据的设计与实现

高妮¹，周明全²，耿国华¹，贺毅岳¹

1.西北大学信息科学与技术学院西安 710127
2.北京师范大学信息科学与技术学院，北京 100875

通讯作者: 高妮

Abstract

Abstract: In order to search and utilize net based science and technology resources，which are broadly distributed，hybrid， irregular，massive，with high efficiency.the technology of metadata，which is utilized to organize and represent the resources in a unified way，is presented.Using metadata information extraction model based on regular expressions， metadata can be extracted from a huge number of Web pages.Directory service mechanism based on LDAP（Lightweight Directory Access Protocol） is used for science and technology metadata storage and accessing，and this method performs feasibly and effectively.

Key words: net based science and technological resources, metadata, metadata extraction, Light weight Directory Access Protocol（LDAP）

摘要： 网络科技资源具有地理分布广、异构、不规范、海量的特点，为了高效地查找和使用网络科技资源，提出了元数据技术来实现网络科技资源的统一组织和表示。使用基于正则表达式的元数据信息提取模型，有效地从数量巨大的Web页面中提取元数据信息。并基于轻量级目录访问协议LDAP（Lightweight Directory Access Protocol）的目录服务机制实现了科技资源元数据的存储和访问，测试表明其具有良好的可行性和有效性。

关键词: 网络科技资源, 元数据, 元数据提取, 轻量级目录访问协议（LDAP）

CLC Number:

TP393

GAO Ni¹，ZHOU Ming-quan²，GENG Guo-hua¹，HE Yi-yue¹. Design and implementation of resources’ presentation platform based on metadata[J]. Computer Engineering and Applications, 2009, 45(25): 141-144.

高妮¹，周明全²，耿国华¹，贺毅岳¹. 网络科技资源平台中元数据的设计与实现[J]. 计算机工程与应用, 2009, 45(25): 141-144.

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Design and implementation of resources’ presentation platform based on metadata

网络科技资源平台中元数据的设计与实现

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