NASA Astrophysics Data System | Wikipedia audio article
Channel: wikipedia tts
Date: 30/12/2018

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Astrophysics_Data_System


00:01:55 1 History
00:05:29 2 Data in the system
00:09:40 3 Software and hardware
00:11:00 4 Indexing
00:13:05 5 Coverage
00:14:39 6 Search engine
00:15:52 6.1 Author name queries
00:16:50 6.2 Object name searches
00:17:56 6.3 Title and abstract searches
00:18:56 6.4 Synonym replacement
00:20:19 6.5 Selection logic
00:21:09 6.6 Result filtering
00:21:49 7 Search results
00:23:01 8 Impact on astronomy
00:25:27 9 Sociological studies using ADS
00:27:30 10 See also



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SUMMARY
=======
The Astrophysics Data System (ADS) is an online database of over eight million astronomy and physics papers from both peer reviewed and non-peer reviewed sources.  Abstracts are available free online for almost all articles, and full scanned articles are available in Graphics Interchange Format (GIF) and Portable Document Format (PDF) for older articles. It was developed by the National Aeronautics and Space Administration (NASA), and is managed by the Harvard–Smithsonian Center for Astrophysics.
ADS is a powerful research tool and has had a significant impact on the efficiency of astronomical research since it was launched in 1992.  Literature searches that previously would have taken days or weeks can now be carried out in seconds via the ADS search engine, which is custom-built for astronomical needs.  Studies have found that the benefit to astronomy of the ADS is equivalent to several hundred million US dollars annually, and the system is estimated to have tripled the readership of astronomical journals.Use of ADS is almost universal among astronomers worldwide, and therefore ADS usage statistics can be used to analyze global trends in astronomical research.  These studies have revealed that the amount of research an astronomer carries out is related to the per capita gross domestic product (GDP) of the country in which he/she is based, and that the number of astronomers in a country is proportional to the GDP of that country, so the total amount of research done in a country is proportional to the square of its GDP divided by its population.