An e-print service which presents papers in physics, mathematics, nonlinear science, computer science, quantitative biology, and statistics. arXiv.org is a fully automated electronic archive and distribution server for research papers which functions as a means of communicating ongoing research information in these subject areas.
Date Coverage: 1991 to present
Materials Indexed: Journal Articles; Preprints; Reports
The ADS maintains three bibliographic databases containing more than 9.2 million records on Astronomy and Astrophysics, Physics, and arXiv e-prints. The main body of data in the ADS consists of bibliographic records. Full-text scans of much of the astronomical literature which can be browsed or searched via our full-text search interface.Integrated in its databases, the ADS provides access and pointers to a wealth of external resources, including electronic articles, data catalogs and archives.
Web of Science covers thousands of research journals, and extensive collections of conference proceedings and books. across hundreds of disciplines. Both the science and social sciences journal article files offer searchable author abstracts.
Date Coverage: Journal Articles: Arts and Humanities: 1975 to present; Sciences: 1945 to present; Social Sciences: 1900 to present.; Conference Proceedings: 1990-present; Books: 2005-present
Materials Indexed: Books; Conference Proceedings; Journal Articles
Alternate Titles: Science Citation Index
Preprint Citation Index currently indexes preprints from five major repositories: arXiv, bioRxiv, ChemRxiv, medRxiv and Preprints.org. It allows searching by topic, authors, etc. as well as cited reference searching. It profices a version history of preprints (where applicable) and links to citing preprint references as will as to citing references in journal articles, conference papers and patents.
Compendex is the most comprehensive bibliographic database of scientific and technical engineering research available, covering all engineering disciplines. It includes citations and abstracts from engineering journals and conference proceedings.
A convenient and efficient tool for researchers working in the fields of Astronomy and Astrophysics to gain access to images published in peer-reviewed journals.
A portal to free, publicly-available DOE-sponsored R&D results including technical reports, bibliographic citations, journal articles, conference papers, books, multimedia and data information.
Date Coverage: 1948 to present.
Materials Indexed: Books; Conference Proceedings; Government Documents; Journal Articles; Technical Reports
Provides access to US Federal government technical reports in science and technology. It indexes about 2,000,000 reports and currently provides access to PDF copies of some 800,000 reports published since 1995. Note that while access is free to the public, you must register with NTRL to gain access, and you may only download five reports per session. Also, free access is only available within the borders of the United States of America.
MathSciNet is a searchable web database covering Mathematical Reviews and Current Mathematical Publications. The database includes publications covering mathematics, statistics, operations research, and econometrics. Reviews are online from 1980 to the present.
Date Coverage: 1940 to present
Materials Indexed: Journal Articles