面向机构知识库的课程信息元数据抽取系统设计与实现  

Design and Implementation of Institutional Repository-oriented Course Information Metadata Extraction System

作　　者：陈雅迪 张雪蕾[1] 李娟[1] 

机构地区：[1]西安交通大学图书馆,陕西西安710049

出　　处：《情报探索》2017年第7期78-83,共6页Information Research

摘　　要：[目的/意义]构建面向机构知识库的课程信息元数据抽取系统,提高课程信息的获取效率。[方法/过程]基于C/S架构,采用Python语言进行开发和My SQL数据库进行存储管理,使用基于HTML结构的信息抽取技术,并利用关键节点优化算法提高系统的处理速度。[结果/结论]实现具有自动信息抽取处理、结果检索查询、数据更新检查和用户管理等功能的课程信息抽取系统。在实际应用中能够有效保证数据抽取质量,具有良好的系统性能。[Purpose/significance]The paper is to construct a course information metadata extraction system orienting to institu- tional repository, to improve course information acquisition efficiency. [Method/process]The paper bases on C/S architecture and uses Python programming language to develop the system, chooses MySQL database as the storage management tool, uses HTML-based in- formation extraction technology and utilizes key node optimization algorithm to improve system processing speed.[Result/conclusion]It builds a course information extraction system having functions of automatic information extracting and processing, result searching, data update checking and user＇s management. The system can effectively guarantee the quality of data extraction in practical application, and performs well in all respects.

关 键 词：教学资源整合 机构知识库 元数据采集 信息共享 

分 类 号：TP311.135.9[自动化与计算机技术—计算机软件与理论]