INFOMINE Glacier RIG

INFOMINE Glacier RIG

INFOMINE建于1994年,拥有电子期刊、电子图书、公告栏、邮件列表、图书馆在线目录、研究人员人名录,以及其他类型的信息资源40,000多个。INFOMINE对所有用户免费开放,部分资源站点是免费的,部分需要购买使用权。INFOMINE共包括12个数据库,其资源类型(resource type)非常细致,共有102项之多。 Essential data, analysis and training solutions that enable the mining industry to innovate and prosper in fast-changing global markets.
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yandex图片搜索 Yandex — a fast Internet search

yandex图片搜索 Yandex — a fast Internet search

以图搜图工具 Yandex is a technology company that builds intelligent products and services powered by machine learning. Our goal is to help consumers and businesses better navigate the online and offline world. Since 1997, we have delivered world-class, locally relevant search and information services. Additionally, we have developed market-leading on-demand transportation services, navigation products, and other mobile applications for millions of consumers across the globe. Yandex, which has 17 offices worldwide, has been listed on the NASDAQ since 2011.
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ResearchIndex CiteSeerX

ResearchIndex CiteSeerX

ResearchIndex 又名 CiteSeer,是 NEC 研究院在自动引文索引(Autonomous Citation Indexing,ACI)机制基础上建设的一个学术论文数字图书馆,它提供了一种通过引文链接检索文献的方式,目标是从多个方面促进学术文献的传播与反馈。ResearchIndex可检索互联网上Postscript和PDF文件格式的学术论文,主要涉及计算机科学领域。ResearchIndex提供免费的PS或PDF格式的全文下载,其数量超过50万篇。此外,还可查看某一具体文献的"引用"与"被引"情况,查看某一文献的相关文献,并以图表显示某一主题文献(或某一作者、机构所发表文献)的时间分布。可依此推测学科热点和发展趋势,避免重复劳动。 CiteSeerX
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