Ei- engineering index "engineering index"

ISTP science and technology index. Index of scientific papers

SCI is a scientific citation index created by institute for scientific information, USA. It contains the author, title, source journals, abstracts and keywords of the literature, which can not only evaluate the academic value of the article from the perspective of literature citation, but also quickly and conveniently establish a reference network for research topics. SCI was established in 196 1. After 40 years of development and improvement, it has developed from a single printing type to a powerful electronic, integrated and networked large-scale multidisciplinary comprehensive retrieval system.

SSCI, the social science citation index, is a companion piece of SCI and the object of scientific information research in the United States.

It is a large-scale retrieval tool, which can be used to analyze the number of social science papers in different countries and regions in the world. 1999

In 2006, SSCI collected 1809 kinds of the most important social science journals in the world, covering anthropology, law, economics, history, geography and psychology.

Wait for 55 games. The types of documents collected include: research papers, book reviews, special discussions, editorials, autobiographies, letters, etc. Selective inclusion

ISTP is an index of science. The abbreviation of Technical Proceedings is one of the two databases (ISTP and ISSHP) on the website of Scientific Proceedings in institute for scientific information, USA. Specialized in collecting conference documents of various important international natural science and technology conferences, including general conferences, symposiums, research conferences, seminars, conferences, etc. The subjects involved are basically the same as SCI.