OpenAlex adds full-text search to 57 million articles based on General Index data

Excerpt from an OurResearch blog post:

We are delighted to announce that we have added full-text search to 57 million articles in x, based on data from the general index. This feature moves OpenAlex’s search function beyond title and abstract, covering the full text of 57 million documents, yielding approximately 30 times more search results for many keyword searches!

What is the general index?

The general index is a very large database of n-grams extracted from 107 million journal articles. It is freely available without restrictions and is supported by 100 leading professors and researchers.

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Looking through the OpenAlex dataset, about 32% of articles before 2000 have full text, and about 25% of articles between 2000 and 2020 have full text:

Learn more, read the full article on OurResearch, view three additional charts

See also: Giant, Free Index to the World’s Research Papers Published Online (via Nature; October 26, 2021)

Filed Under: Data Files, Journal Articles, News

About Gary Price

Gary Price ([email protected]) is a librarian, writer, consultant and frequent speaker based in the Washington DC metro area. He received his MLIS degree from Wayne State University in Detroit. Price has won several awards, including the SLA Innovations in Technology Award and Wayne St. University Library and Information Science Program Alumnus of the Year. From 2006 to 2009, he was Director of Online Information Services at Ask.com. Gary is also the co-founder of infoDJ, an innovation research consultancy that supports enterprise product and business model teams with just-in-time fact finding and insight.

Amanda J. Marsh