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发现系统，是替代联邦检索技术的新一代资源整合应用产品。
必由发现
by Tongfang Knowledge Network (Beijing) Technology Co., Ltd.
What is it about?
发现系统，是替代联邦检索技术的新一代资源整合应用产品。
App Screenshots
App Store Description
发现系统，是替代联邦检索技术的新一代资源整合应用产品。
CNKI必由（PapyriX)发现基于发现系统实现原理，构建了全球学术资源云仓储和知识库，面向拥有大量数字资源的高校图书馆、公共图书馆、科研信息中心、研究型企业等机构，提供全面发现和精准获取的一站式服务。
1. 数据来源：正式出版的、质量较高的学术类期刊。覆盖了500多个学术型数据库。
2. 数据总量：截至2017年9月，收录5万种期刊，包括1万种中文期刊，4万余种外文期刊。收录OA期刊约1万种。文献量超过4亿篇。SCI、EI、SSCI占比超过99%，Scopus占比超过72%。
3. 出版时效：网络数据每日更新。
4. 出版合法性：所收录期刊均取得其出版单位授权。
Disclaimer:
AppAdvice does not own this application and only provides images and links contained in the iTunes Search API, to help our users find the best apps to download. If you are the developer of this app and would like your information removed, please send a request to takedown@appadvice.com and your information will be removed.
AppAdvice does not own this application and only provides images and links contained in the iTunes Search API, to help our users find the best apps to download. If you are the developer of this app and would like your information removed, please send a request to takedown@appadvice.com and your information will be removed.
