แหล่งทรัพยากรสารสนเทศประเภทฐานข้อมูลที่ใช้ฟรี
แหล่งทรัพยากรสารสนเทศประเภทฐานข้อมูลที่ใช้ฟรี
Aardvark
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Asian Resources for Librarians An online portal of resources for librarians and knowledge management professional. More than 768 Library Science e-Journals, 603 Asian Databases, Conferences & Exhibitions for Librarians and Information Specialists, including Access Magazine (Asian newspaper on electronic information, products and services). Free Database | Published by iGroup |
The AGORA (Access to Global Online Research in Agriculture) program, set up by the Food and Agriculture Organization of the UN (FAO) together with major publishers, enables developing countries to gain access to an outstanding digital library collection in the fields of food, agriculture, environmental science and related social sciences. AGORA provides a collection of 1278 journals to institutions in 107 countries. AGORA is designed to enhance the scholarship of the many thousands of students, faculty and researchers in agriculture and life sciences in the developing world. AGORA is one of the Research4Life Programmes. Free Database | Published by FAO |
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Agricola (AGRICultural OnLine Access) serves as the catalog and index to the collections of the National Agricultural Library (NAL), as well as a primary public source for world-wide access to agricultural information. The database covers materials in all formats and periods, including printed works from as far back as the 15th century.
Free Database | Published by National Agricultural Library (NAL) |
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AGRIS is the international information system for the agricultural sciences and technology. It was created by the Food and Agriculture Organization of the United Nations (FAO) in 1974, to facilitate information exchange and to bring together world literature dealing with all aspects of agriculture. AGRIS is a cooperative system in which participating countries input references to the literature produced within their boundaries and, in return, draw on the information provided by the other participants. To date, 240 national, international and intergovernmental centres participate. Free Database | Published by FAO
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Open access to 561,146 e-prints in Physics, Mathematics, Computer Science, Quantitative Biology, Quantitative Finance and Statistics Free Database | Published by Cornell Univ. |
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BioMed Central (BMC) is an independent publishing house committed to providing immediate free access to peer-reviewed biomedical research (over 198 peer-reviewed open access journals). Free Database | Published by BMC |
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The combination of scientific knowledge and experience is the key success factor for biomedical research projects. Bringing the right researchers together and allowing them to grow their professional network is the ultimate goal of biomedexperts (BME) - the first literature-based social networking platform for the life-science research community. Free Database | Published by Collexis |
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Chemical Information from the Environmental Health Information Program of the National Library of Medicine. Database of over 380,000 chemicals, synonyms, structures, regulatory list information, and links to other databases. Free Database | Published by NLM |
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The Code of Federal Regulations (CFR) is the codification of the general and permanent rules Free Database | Published by US Gov. |
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American Society of Civil Engineers (ASCE) Electronic Information Retrieval Service to All. Its Publications Published since 1970 the CEDB provides access to over 100,000 bibliographic and abstracted records. Free Database | Published by ASCE |
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Computer Retrieval of Information on Scientific Projects is a searchable database of federally funded biomedical research projects conducted at universities, hospitals, and other research institutions. The database includes projects funded by NIH, FDA, CDCP etc. Free Database | Published by NIH |
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Deja vu
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Deja vu is a database of extremely similar Medline citations. Many, but not all, of which contain instances of duplicate publication and potential plagiarism. Deja vu is a dynamic resource for the community, with manual curation ongoing continuously, and we welcome input and comments. Free Database | Published by NLM |
Patent Search System of the Department of Intellectual Property (DIP), Thailand Free Database | Published by DIP |
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Directory of Health Organizations Health Hotlines - Free Database | Published by NLM |
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Directory of Open Access Journals was created to provide a comprehensive database of open access scientific and scholarly journals. By Lund University, Sweden - the Scandinavia's largest institution for education and research. There are now 2,412 journals in the directory. Currently 708 journals are searchable at article level. Free Database | Published by Lund Univ. Libraries |
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EBSCOhost Electronic Journals Service (EJS) is your gateway to thousands of e-journals containing millions of articles from hundreds of different publishers, all at one web site. Free Database | Published by EBSCO |
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Electronic Journals Library |
The Electronic Journals Library is a service to facilitate the use of scholarly journals on the internet. by University Library of Regensburg.It comprises 45,621 titles from all areas of research, 5833 of which are available online only. There are 22,657 journals which are accessible free of charge to anyone. In addition, the participating libraries provide access to the journals they subscribe to for their users. Free Database | Published by University Library of Regensburg |
Energy Citations Database (ECD) http://www.osti.gov/energycitations |
The Energy Citations Database (ECD) 1948 – Present, is designed and developed by the U.S. Department of Energy (DOE) Office of Scientific and Technical Information (OSTI) with the science-attentive citizen in mind. Its creation is consistent with OSTI's objective to provide easier and faster access to the Department's scientific and technical information. Energy Citations is publicly available without charge to users. Free Database | Published by US Department of Energy (DOE) |
The search and retrieval system that integrates information from the National Center for Biotechnology (NCBI) databases. These databases include nucleotide sequences, protein sequences, macromolecular structures, whole genomes, and MEDLINE, through PubMed. Free Database | Published by NCBI |
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Electronic Plant Information Centre Free Database | Produced by Royal Botanic Gardens, Kew |
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The Education Resources Information Center (ERIC) produces the world’s premier database of journal and non-journal education literature. The ERIC online system provides the public with a centralized ERIC Web site for searching the ERIC bibliographic database of more than 1.1 million citations going back to 1966. More than 107,000 full-text non-journal documents (issued 1993-2004), previously available through fee-based services only, are now available for free.
Free Database | Produced by ERIC |
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eTBLAST
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A text similarity-based engine for searching literature collections. eTBLAST is a unique search engine for searching biomedical literature. Our service is very different from PubMed. While PubMed searches for "keywords", our search engine lets you input an entire paragraph and returns MEDLINE abstracts that are similar to it. This is something like PubMed's "Related Articles" feature, only better because it runs on your unique set of interests. Free Database | Published by NLM |
A free online service for searching patents and patent applications. Espacenet was developed by the European Patent Office (EPO) together with the member states of the European Patent Organisation (EPO). |
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F1000 is free for anyone to browse and search. Find significant articles in biology and medicine, discover the F1000 Factor ranking system and preview evaluations by Faculty members. Free Database | Published by Biology Reports Ltd |
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FreeBooks4Doctors! is dedicated to the promotion of free access to medical books over the Internet. Free Database | Published by Amedeo Group |
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Free access to more than 1,450 Medical Journals over the internet. Free Database | Published by Amedeo Group
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Gale CENGAGE Learning Free Database | Published by CENGAGE |
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GenBank is the NIH genetic sequence database, an annotated collection of all publicly available DNA sequences. There are approximately 106,533,156,756 bases in 108,431,692 sequence records in the traditional GenBank divisions and 148,165,117,763 bases in 48,443,067 sequence records in the WGS division as of August 2009. Free Database | Published by NCBI |
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Google Scholar enables you to search specifically for scholarly literature, including peer-reviewed papers, theses, books, abstracts and articles, from academic publishers, professional societies, preprint repositories, universities and other scholarly organizations. Google Scholar launched as a beta in November, 2004. Free Database | Published by Google |
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On October 28, 2008, Google stated that they had 7 million books searchable through Google Book Search, including those scanned by their 20,000 publisher partners. Of the 7 million books, 1 million are "full preview" based on agreements with publishers. 1 million are in the public domain. Most scanned works are no longer in print or commercially available. Free Database | Published by Google |
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Google Patent Search covers the entire collection of patents from the United States Patent and Trademark Office (USPTO), launched on December 13, 2006 Free Database | Published by Google |
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A division of the Stanford University Libraries, HighWire Press hosts the largest repository of high impact, peer-reviewed content, with 1278 journals and 6,103,564 full text articles from over 140 scholarly publishers. HighWire-hosted publishers have collectively made 1,936,896 articles free. With our partner publishers we produce 71 of the 200 most-frequently-cited journals. Free Database | Published by Stanford Univ. Libraries |
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The Health InterNetwork Access to Research Initiative (HINARI) provides free or very low cost online access to the major journals in biomedical and related social sciences to local, not-for-profit institutions in developing countries. HINARI is one of the Research4Life Programmes. Free Database | Published by WHO |
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Hindawi Publishing Corporation is a commercial publisher of peer-reviewed journals and scholarly books covering a wide range of academic disciplines. Founded in 1997, Hindawi currently employs more than 300 employees and publishes 150+ open access, peer-reviewed journals. Free Database | Published by Hindawi |
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Chemical Safety Information from Intergovernmental Organizations Free Database | Published by IPCS |
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This freely accessible Web site gives research professionals working in a variety of occupations an invaluable tool to identify individuals, departments and laboratories that have made fundamental contributions to the advancement of science and technology in recent decades. Free Database | Published by Thomson Reuters |
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Japan Science and Technology Information Aggregator, Electronic Free Database | Published by J-STAGE |
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Japan Science and Technology Agency (JST) English Article of S&T Database Free Database | Published by JST |
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KoreaMed, a service of the Korean Association of Medical Journal Editors (KAMJE), provides access to articles published in Korean medical journals. Its current coverage is focused on the literature published since 1997. KoreaMed includes links to many sites providing full text articles. Free Database | Published by KAMJE |
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National Library of Medicine NLM) Library Catalogs. Free Database | Published by NLM |
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MedlinePlus will direct you to information to help answer health questions. Preformulated MEDLINE searches are included in MedlinePlus and give easy access to medical journal articles. MedlinePlus also has extensive information about drugs, an illustrated medical encyclopedia, interactive patient tutorials, and latest health news. Free Database | Published by NLM |
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PubMed, a service of the National Library of Medicine, includes over 16 million citations for biomedical articles back to the 1950's. These citations are from MEDLINE and additional life science journals. PubMed includes links to many sites providing full text articles and other related resources
Free Database | Published by NLM |
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A digital library of authoritative medical information for all students of medicine, curated by Michael P. D'Alessandro, M.D. The goal of MedicalStudent.com is to provide a starting point for entry into medical places of enlightenment, entertainment and education on the Internet. Fee Database | Published by Michael P. D'Alessandro, M.D. |
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Free resource for Physicians . More than 125 medical journals and textbooks; 850 online CME activities; original, professional medical content, including review articles, journal commentary, expert columns, patient education articles, book reviews, and more. Fee Database | Published by Medscape |
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The Astrophysics Data System (ADS) is a NASA-funded project which maintains three bibliographic databases containing more than 4.6 million records: Astronomy and Astrophysics, Physics, and ArXiv e-prints. Free Database | Published by NASA |
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National Library of Medicine (NLM) Databases & Electronic Resources (A-Z) Free Database | Published by NLM |
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OARE
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Online Access to Research in the Environment (OARE) - An international public-private consortium coordinated by the United Nations Environment Programme (UNEP), Yale University, and leading science and technology publishers, enables developing countries to gain free or low cost access to one of the world’s largest collections of proprietary environmental science literature. Today, over 1,300 peer reviewed scientific journal titles owned and published by over 340 OARE partners are now available to environment institutions in 70 eligible low income countries. OARE is one of the Research4Life Programmes. Free Database | Published by UNEP |
The PLANTS Database provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories. It includes names, plant symbols, checklists, distributional data, species abstracts, characteristics, images, crop information, automated tools, onward Web links, and references. PLANTS is produced by the National Resources Conservation Service (NRCS), United States Department of Agriculture (USDA) Free Database | Published by USDA NRCS |
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POPulation information onLINE, the world's largest database on reproductive health, containing citations with abstracts to scientific articles, reports, books, and unpublished reports in the field of population, family planning, and related health issues. POPLINE contains nearly 360,000 records and has been maintained since 1973. The majority of items are published from 1970 to the present, however, there are selected citations dating back to 1827. Free Database | Published by INFO Project |
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PubChem provides information on the biological activities of small molecules. Free Database | Published by NLM |
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PubMed is a service of the U.S. National Library of Medicine that includes over 19 million citations from MEDLINE and other life science journals (+5,200 titles) for biomedical articles back to the 1948. PubMed includes links to full text articles and other related resources e.g. PMC, e-Books, Nucleotide, Protein, Structure Databases.
Free Database | Published by NLM |
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The Public Library of Science (PLoS) is a non-profit organization of scientists and physicians committed to making the world's scientific and medical literature a freely available public resource. The Public Library of Science (PLoS) seeks to catalyze a change from traditional subscription-based scientific and medical journal publishing to open access publishing Free Database | Published by PLoS |
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PubMed Central (PMC) is the U.S. National Institutes of Health (NIH) free digital archive of biomedical and life sciences journal literature. Free Database | Published by NLM |
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Research4Life
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Research4Life is the collective name for three public-private partnerships. Beginning in 2002, the three programmes: Health Access to Research Initiative (HINARI); Access to Global Online Research in Agriculture (AGORA); and Online Access to Research in the Environment (OARE), have given researchers at 4,500 institutions in 108 developing countries free or low cost access to over 7,000 journals provided by the world’s leading academic and professional publishers. Free Database | Published by UNEP |
Science.gov is a gateway to government science information and research results. Currently in its fifth generation, Science.gov provides a search of over 40 scientific databases and 200 million pages of science information with just one query, and is a gateway to 1,950+ scientific Websites. |
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The SCImago Journal & Country Rank is a portal that includes the journals and country scientific indicators developed from the information contained in the Scopus database (Elsevier B.V.). These indicators can be used to assess and analyze scientific domains. Free Database | Published by SCImago Research Group |
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Scirus is the most comprehensive science-specific search engine on the Internet. With over 350 million scientific items indexed at last count, it allows researchers to search for not only journal content but also scientists' homepages, courseware, pre-print server material, patents and institutional repository and website information. [ ... about Scirus ... ] Free Database | Published by Elsevier |
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Scitation is the online home of more than 100 journals from 18 publishers including AIP, APS, ASCE, ASME, SPIE, and a host of other prestigious science and engineering societies. Scitation includes links to many rich sources of information, including ISI's Web of Science, MEDLINE, Chemport/Chemical Abstracts Service, SPIN database, INSPEC, EDP Sciences, X-ArkiV, SLAC-SPIRES, and other Scitation journals, among others. Free Database | Published by AIP |
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“One-stop single search on one platform”, SciVerse Hub will enable users to perform integrated searching of the world’s largest full text collection in ScienceDirect, the world’s largest abstract and citation database in Scopus, and the world’s largest controlled index of the scientific web. Free Database | Published by Elsevier |
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Databases on toxicology, hazardous chemicals, environmental health, and toxic releases. Free Database | Published by U.S. National Library of Medicine (NLM) |
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US Patent and Trademark Office. This website provides full text for patents issued from 1976 to the present. They provide TIFF images for all patents from 1790 to the present. You can search on text in all elements (fields) of the patent or select those fields you wish to search only for patents issued since 1976, and only search on patent numbers and/or classification codes for the pre-1976 patents.
Free Database | Published by USPTO |
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The World Intellectual Property Organization (WIPO) is an international organization dedicated to promoting the use and protection of intellectual property. With headquarters in Geneva, Switzerland, WIPO is one of the 16 specialized agencies of the United Nations system of organizations. It administers 23 international treaties dealing with different aspects of intellectual property protection. The Organization counts 183 nations as member states. Free Database | Published by WIPO |
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WorldWideScience.org is a global science gateway connecting you to national and international scientific databases and portals. Users will get the most current finding in fields such as energy, medicine, agriculture, environment, and basic science. WorldWideScience.org was developed and is maintained by the Office of Scientific and Technical Information (OSTI), an element of the Office of Science within the U.S. Department of Energy. Free Database | Published by OSTI |