More About Our Information Sources

E-Print ArXiv is a fully automated electronic archive and distribution server for research papers. It covers areas such as physics and related disciplines, mathematics, non-linear sciences, and computer science. The e-prints on E-Print ArXiv are freely accessible for everyone. The E-Print ArXiv data in Scirus are retrieved through the Open Archives Initiative .

BioMed Central is an independent online publishing house committed to providing immediate free access to the peer-reviewed biological and medical research it publishes.

The Caltech Collection of Open Digital Archives (Caltech CODA) is the institutional repository of the California Institute of Technology. It contains the broad spectrum of Caltech research results, such as theses, technical reports, preprints, and self-archived journal articles and conference papers. In addition, the Caltech CODA contains Caltech-related material such as oral histories of faculty and administrators and issues of Engineering and Science (a magazine published by Caltech). As the digital information environment evolves, other kinds of content will be added. The Caltech CODA is managed to be a reliable long-term archive.

CogPrints is a free, full-text e-print archive of published, peer-reviewed journal postprints plus prepublication unrefereed preprints in the cognitive sciences, covering psychology, behavioral biology, computer science, linguistics, philosophy and related disciplines. CogPrints runs on free Open Archives Initiative (OAI) compliant e-prints software provided by http://www.eprints.org . The CogPrints data in Scirus are retrieved through the OAI .

Crystallography Journals Online is the electronic journals service from the International Union of Crystallography (IUCr). The IUCr publishes seven primary research journals in crystallography, and an eighth covering the technology, instrumentation and uses of synchrotron radiation. The IUCr is a not-for-profit organisation that, in addition to publication of primary research articles in structural science, aims to promote international cooperation and to contribute to the advancement of all aspects of crystallography.

CURATOR (Chiba University's Repository for Access to Outcomes from Research) captures, preserves and makes publicly available intellectual digital materials from research activities on Chiba University campuses, including peer-reviewed articles, theses, preprints, statistical and experimental data, course materials and software. CURATOR is intended to function as the portal for the outcomes from Chiba University's research activities. The University Library is responsible for building and operating CURATOR under the guidance of the Faculty Committee for Improved Scholarly Information Availability, which is commissioned by the Library Board of Faculty Representatives to systematically promote and arrange disseminative activities by the University.

Digital Archives consists of a subset of valuable collections found on the Web from institutional repositories, including preprint (pre-view), postprints (post-review) and reprints (published) of scientific papers, conference papers and posters, theses, reports, books and book chapters, magazines articles, web products, project descriptions, and other published or unpublished documents.

DiVA, the Academic Archive Online (Digitala Vetenskapliga Arkivet in Swedish) is a collaborative effort of a number of universities in Scandinavia, which offers both publishing services and technical solutions for local repositories. The DiVA system, originally developed at Uppsala University, Sweden, supports workflows for both electronic publishing and printing. An archive of fulltext documents published at the participating universities has been created and metadata records are disseminated to other information services. In cooperation with the National Library of Sweden long-term preservation is guaranteed as well as access in the long-term. Today it is mainly doctoral theses and undergraduate theses and research reports that are published through DiVA, but it is also possible to publish articles and chapters of books. An increasing number of monographs have been published through DiVA as well.

Project Euclid is a user-centered initiative to create an environment for the effective and affordable distribution of serial literature in mathematics and statistics. Project Euclid is designed to address the unique needs of independent and society journals through a collaborative partnership with scholarly publishers, professional societies, and academic libraries. Project Euclid was launched by the Cornell University Library.

The HKUST Institutional Repository at the Hong Kong University of Science and Technology collects, makes available, and preserves the scholarly output created by the HKUST community in digital format. It contains journal articles (published, post-refereed and pre-refereed versions), conference papers, preprints, theses and dissertations, research and technical reports, working papers, and presentations.

Institute of Physics Publishing (IOP) is a learned society publisher specialising in physics and related subjects. In addition to current titles, an archive dating back to 1874 is available online at journals.iop.org. Full text access to papers is granted to institutional subscribers but all abstracts are freely available and many IOP journals offer free access to featured articles and letters, and to newly published papers for 30 days. Papers can also be purchased online.

LexisNexis® is a leader in comprehensive and authoritative legal, news and business information and tailored applications. LexisNexis® is a member of Reed Elsevier Group plc [NYSE: ENL; NYSE: RUK]. Patents in Scirus are obtained via a partnership with LexisNexis and include those from the United States Patent and Trademark Office (USPTO), the European Patent Office (EPO), the Japanese Patent Office (JPO) and the Patent Cooperation Treaty (PCT) of the World Intellectual Property Organization (WIPO). Full-text information for recent USPTO, EPO and WIPO's PCT patents is searchable on Scirus, as well as bibliographical information in English for JPO patents. For more in-depth searching through patents, visit LexisNexis.

MIT OpenCourseWare (MIT OCW), available online at http://ocw.mit.edu, makes the MIT Faculty's course materials used in the teaching of almost all of MIT's undergraduate and graduate subjects available on the Web, free of charge, to any user anywhere in the world. MIT OCW can be considered a large-scale, Web-based publication of educational materials. Educators in the U.S. and the developing world utilize the materials for curriculum development, while students and self-learners around the globe draw upon the materials for self-study or supplementary use. With 915 courses now available, MIT OCW is delivering on the promise of open sharing of knowledge.

Since 1992, NASA has offered their "unclassified, unlimited" technical reports, contractor reports, NASA-authored dissertations and reprints on the web. The subject areas include all engineering and scientific disciplines, but are heavily focused on aerospace research. NASA also makes available the reports of its predecessor agency, the National Advisory Committee for Aeronautics (NACA, 1917-1958). The NASA sources currently available through Scirus are: • Langley Technical Reports Server (LTRS) • National Advisory Committee for Aeronautics Technical Reports Server (NACATRS) • Marshall Technical Reports Server (MTRS) • Global Environmental and Earth Science Information System (GENESIS) The NASA data in Scirus are retrieved through the Open Archives Initiative. All NASA documents are freely accessible for everyone.

NDLTD is an international non-profit organization dedicated to promoting the adoption, creation, use, dissemination and preservation of electronic analogues to the traditional paper-based theses and dissertations. It offers the world's largest digital library of theses and dissertations of academic institutions worldwide. It aims to cover all significant graduate research results, in all areas, all nations, and all languages.

The international open access archive Organic Eprints contains electronic full-text papers, abstracts and bibliographic information related to research in organic agriculture. The Organic Eprints archive was developed in 2002 by the Danish Research Centre for Organic Farming (DARCOF). The Research Institute of Organic Agriculture (FiBL) was the first international partner to join Organic Eprints in 2003. The aim of the Organic Eprints archive is to facilitate further research in organic agriculture.

PsyDok is a disciplinary Open Access repository for psychological documents. PsyDok is run by Saarland University and State Library (SULB) which also hosts the special subject collection psychology and the virtual library psychology. PsyDok is a free, full-text eprint archive of published, peer-reviewed journal postprints plus prepublications, unrefereed preprints, reports, manuals, grey literature, books, journals, proceedings, dissertations and similar document types.

MEDLINE® is the U.S. National Library of Medicine's (NLM) premier bibliographic database that contains approximately 13 million references since the mid-1960s to journal articles in life sciences with a concentration on biomedicine. MEDLINE® is the primary component of PubMed®, provided by NLM's National Center for Biotechnology Information (NCBI). In addition to MEDLINE citations, retrieval may include other records in PubMed, including approximately 1.7 million pre-1966 OLDMEDLINE® citations, in-process citations, and citations from MEDLINE journals that are out-of-scope for MEDLINE or that precede the date the journal was selected for MEDLINE.

PubMed Central is a digital archive of life sciences journal literature at the U.S. National Institutes of Health (NIH), developed and managed by NIH's National Center for Biotechnology Information (NCBI) in the National Library of Medicine (NLM). With PubMed Central, NLM is taking the lead in preserving and maintaining unrestricted access to the electronic literature, just as it has done for decades with the printed biomedical literature. PubMed Central aims to fill the role of a world class library in the digital age.

RePEc (Research Papers in Economics) is a collaborative effort of over 100 volunteers in 44 countries to enhance the dissemination of research in economics. The heart of the project is a decentralized database of working papers, journal articles and software components. All RePEc material is freely available.

ScienceDirect Online is a subscription information source for scientific, technical and medical research published by Elsevier. It offers access to millions of articles from over 2,000 journals, covering all fields of science, in most cases from volume 1, no. 1 to the present. Users at an institute with a subscription to ScienceDirect will have seamless access to the ScienceDirect articles that the institute is entitled to receive.

Scitation is the online hosting service of the American Institute of Physics. In addition to the cross-publisher series, Virtual Journals in Science and Technology, Scitation hosts the e-journals and conference proceedings of AIP, selected English language publications from the Russian Academy of Sciences, and many other physical science and engineering publishers. Institutional or individual subscribers will automatically have access to full text of their subscribed journals via links from Scirus.

SIAM (the Society for Industrial and Applied Mathematics) has a comprehensive publishing program in applied and computational mathematics. Each journal has its own home page. To ensure the strongest interactions between mathematics and other scientific and technological communities, it remains the policy of SIAM to: • Advance the application of mathematics and computational science to engineering, industry, science, and society; • Promote research that will lead to effective new mathematical and computational methods and techniques for science, engineering, industry, and society; • Provide media for the exchange of information and ideas among mathematicians, engineers, and scientists. (www.siam.org/journals/journals.htm) detailing editorial policy, editorial board with e-mail links, instructions for authors, TEX resources, staff, subscription information, tables of contents, and more.

The T-Space repository is a partnership between University of Toronto communities and Libraries. T-Space content consists of collections produced, submitted or sponsored by University of Toronto communities, which are managed, preserved and distributed by University of Toronto Libraries through T-Space.