فهرستی از مهمترین دادگان و جویشگرهای علمی در این صفحه فهرست شدهاند. این دادگانها شامل مجلههای علمی معتبر در حوزههای علمی مختلف هستند. بسیاری از این دادگانها رایگان و برخی نیز نیاز به اشتراک دارند.
| نام | حوزههای علمی | توضیحات | هزینه دسترسی | ارائهدهندگان |
|---|---|---|---|---|
| دادگان مجلههای علمی | چندرشتهای | نمایه جهانی پیایندها که پژوهشهای پایهای را در همه زمینههای دانش پوشش میدهد. این نمایه شامل اطلاعات کامل کتابشناختی شامل استنادها است. متن کامل اکثر مقالات در این دادگان در دسترس است که در مجموع شامل ۷۰۰ هزار مقاله است. | رایگان | دادگان مجلههای علمی [۱] |
| مجلههای علمی الکترونیک | چندرشتهای science (student based) | Student driven research abstracts, posters, articles, science specific search engine, public forum [۲] | رایگان | APeJ search[۳] |
| آکادمیک سرچ | چندرشتهای | Several versions: Complete, Elite, Premier, and Alumni Edition[۴] | نیاز به اشتراک | EBSCO Publishing [۵] |
| Aerospace & High Technology Databaseهوافضا]], Aeronautics, Astronautics | نیاز به اشتراک | ProQuest[۶] | ||
| افریکن جورنالز آنلاین | چندرشتهای | Scholarly journals published in Africa[۷] | Free abstracts; Subscription full-text | African Journals OnLine[۸] |
| ایجلاین | جامعهشناسی, Gerontology | شامل اطلاعاتی درباره مطالعات پیری اقتصاد, بهداشت and policy. | نیاز به اشتراک | EBSCO Publishing[۱۰] |
| اگریکولا | کشاورزی | Free & Subscription | ارائه شده توسط کتابخانه ملی کشاورزی ایالات متحده آمرکادسترسی رایگان از طریق کتابخانه ملی کشاورزی آمرکا [۹] Subscription access provided by Proquest,[۱۰] OVID.[۱۱] | |
| AGRIS: Agricultural database | کشاورزی | Covers کشاورزی, forestry, animal husbandry, aquatic sciences and fisheries, human nutrition, extension literature from over 100 participating countries.Material includes unique grey literature such as unpublished scientific and technical reports, theses, conference papers, government publications, and more. | رایگان | Produced by the Food and کشاورزی Organization of the United Nations. http://agris.fao.org AGRIS |
| ایریتیاینک | چندرشتهای | چین، تایوان. | نیاز به اشتراک | Airiti Inc[۱۲] |
| آنالیتیکابسترکت | شیمی | نیاز به اشتراک | Royal Society of شیمی[۱۳] | |
| علوم تحلیلی digital library | علوم تحلیلی | رایگان | National Science Digital Library and the Analytical شیمی Division of the American Chemical Society[۱۴] | |
| آنتروپولوجیکال ایندکس آنلاین | انسانشناسی | Index only (no abstracts or full-text). | رایگان | موسسه سلطنتی انسانشناسی [۱۵] |
| متون انسانشناختی | انسانشناسی | Free to Harvard faculty, staff and students. Subscription for non-Harvard access. | Maintained by دانشگاه هاروارد. Non-Harvard access provided by OCLC[۱۶] | |
| ایلوم ایندکس آنلاین | انسانشناسی, باستانشناسی, Sociology | Include full access to electronic documents (eBooks & eJournals) about انسانشناسی, باستانشناسی & Sociology Research in Latin America, Caribbean, Portugal and Spain (full-text). | نیاز به اشتراک | Syllaba Press International Inc.[۱۱] |
| [ویسیندی]] | علوم اجتماعی | شامل چکیدههای علمی و مجموعه مقالاتی بر پایه آمریکای لایتن، پرتغال و اسپانیا. | نیاز به اشتراک | Syllaba Press International Inc.[۱۲] |
| Arachne | باستانشناسی, تاریخ هنر | زبان آلمانی | رایگان | German Archaeological Institute & the University of Cologne, administered by Reinhard Foertsch[۱۷] |
| Arnetminer | علوم رایانه | Online service used to index and search academic social networks | رایگان | Tsinghua University[۱۸] |
| نمایه استنادی علوم انسانی و هنر | هنر, علوم انسانی | Part of وب آو ساینس | نیاز به اشتراک | تامسون رویترز[۱۹] |
| آرکسیو | Physics, Mathematics, علوم رایانه, Nonlinear sciences, Quantitative biology and آمار | رایگان | دانشگاه کرنل[۲۰] | |
| Association for Computing Machinery Digital Library | علوم رایانه, مهندسی | نیاز به اشتراک | Association for Computing Machinery[۲۱] | |
| دیتا سیستم آستروفیزیکس | اخترفیزیک, Geophysics, Physics | رایگان | دانشگاه هاروارد[۲۲] | |
| ATLA Religion Database | Religious studies | Provides information on topics such as biblical studies, world religions, church history, and religion in social issues | نیاز به اشتراک | [۲۳] |
| AULIMP: Air University Library’s Index to Military Periodicals | Military Science | رایگان | Air University[۲۴] | |
| BASE: Bielefeld Academic Search Engine | چندرشتهای | رایگان | Bielefeld University [۲۵] | |
| Beilstein database | Organic شیمی | نیاز به اشتراک | Available from الزویر under the product name Reaxys [۲۶] | |
| Biological Abstracts | Biology | A complete collection of bibliographic references covering life science and biomedical research literature published from more than 4,000 journals internationally. | نیاز به اشتراک | Available from تامسون رویترز[۲۷] |
| BioOne | Biology, Ecology, and Environmental Science | An aggregation of over 78,000 peer-reviewed, full-text articles on current research in Biodiversity Conservation, Biology, Ecology, Plant Sciences, Entomology, Ornithology, and Zoology. | Free Abstract & References, Subscription Collections, and an Open Access Collection | Available from BioOne[۲۸] |
| Bioinformatic Harvester | Biology, Bioinformatics | A meta search engine for 50 major bioinformatic databases and projects. | رایگان | Available from Liebel-Lab [۱۳] KIT Karlsruhe Institute of Technology [۱۴] |
| Book Review Index Online | Book reviews | نیاز به اشتراک | Thomson Gale[۲۹] | |
| Books In Print | Books | نیاز به اشتراک | R.R. Bowker[۳۰] | |
| Chemical Abstracts Service | شیمی | نیاز به اشتراک | American Chemical Society[۳۱] | |
| ChemXSeer | شیمی | رایگان | Pennsylvania State University[۳۲] | |
| Chinese علوم اجتماعی Citation Index | علوم اجتماعیs | نیاز به اشتراک | Nanjing University[۳۳] | |
| Cochrane Library | Medicine, Healthcare | Includes reviews of research to promote evidence-based healthcare. | نیاز به اشتراک | Wiley Interscience[۳۴] |
| CINAHL: Cumulative Index to Nursing and Allied Health | Nursing, Allied Health | نیاز به اشتراک | EBSCO[۳۵] | |
| CHBD: Circumpolar Health Bibliographic Database | Medicine | رایگان | University of Calgary[۳۶] | |
| Citebase Search | Mathematics, علوم رایانه, Physics | Semi-autonomous citation index of free online research | رایگان | University of Southampton[۳۷] |
| CiteSeer | علوم رایانه | Replaced by CiteSeerX. | رایگان | Pennsylvania State University[۳۸] |
| CiteSeerX | علوم رایانه | رایگان | Pennsylvania State University[۳۹] | |
| CogPrints: Cognitive Sciences Eprint Archives | Science (General) | رایگان | University of Southampton[۴۰] | |
| The Collection of علوم رایانه Bibliographies | علوم رایانه | رایگان | Alf-Christian Achilles[۴۱] | |
| Compendex | مهندسی | Electronic version of مهندسی Index. | نیاز به اشتراک | الزویر[۴۲] |
| Current Index to آمار | آمار | Limited free search[۴۳] | نیاز به اشتراک | American Statistical Association and the Institute of Mathematical آمار[۴۴] |
| Current Contents | چندرشتهای | Part of Web of Knowledge. Contains 7 discipline-specific subsets. | نیاز به اشتراک | Thompson Reuters[۴۵] |
| Directory of Open Access Journals | مجلههای علمی | رایگان | Lund University[۴۶] | |
| DBLP | علوم رایانه | Comprehensive list of papers from major علوم رایانه conferences and journals | رایگان | University of Trier, Germany |
| Dotec-Colombia | اقتصاد | Working papers and articles about economics in Colombia. More than 5,000 documents from more than 50 institutions in the country. Dotec-Colombia automatically links all documents in Repec | رایگان | Dotec-Colombia [۴۷] |
| EconLit | اقتصاد | The American Economic Association’s electronic database, the world’s foremost source of references to economic literature. | نیاز به اشتراک | Produced by the American Economic Association.[۴۸] Available from CSA, DIALOG, OCLC, OVID, and AEA.[۴۹] |
| EMBASE | Biomedicine, Pharmacology | Biomedical database with a strong focus on drug and pharmaceutical research. | نیاز به اشتراک | الزویر[۵۰] |
| ERIC: Educational Resource Information Center | Education | Education literature and resources. Provides access to over 1.3 million records dating back to 1966. | رایگان | تهیهشده توسط وزارتخانه آموزش آمریکا.[۵۱] Also available by subscription from OCLC, CSA. |
| Food Science and Technology Abstracts | Food science, Food technology, Nutrition | The world’s leading database of information on food science, food technology and nutrition | نیاز به اشتراک | Produced by the International Food Information Service. Access provided by OVID, Web of Knowledge, Dialog, DataStar and STN International[۵۲] |
| FOREASt: Free Open Resources for East Asian Studies | East Asian Studies | Covers over 300 free and open access resources for studying China, Japan, and Korea, including online databases, digital collections, and open access journals. | رایگان | Internet East Asian Library[۵۳] |
| Fuse | Business research papers | A business research engine, indexing 728 open-access ejournals and similar open sources. Does not search press releases or trade magazines. | رایگان | Fuse[۵۴] |
| GENESIS | Women’s history | Descriptions of women’s history collections from sources in the UK, as well as women’s history websites. | رایگان | London Metropolitan University[۵۵] |
| German Education Index | Education | A bibliographical database that provides comprehensive references to all areas of education. | رایگان | Coordinating Office of the German Education Index[۵۶] |
| Google Scholar | چندرشتهای | رایگان | Google[۵۷] | |
| GoPubMed | Medicine | رایگان | Transinsight GmbH [۵۸] | |
| HubMed | Medicine | An alternative interface to the PubMed medical literature database | رایگان | Alf Eaton[۵۹] |
| IEEE Xplore | علوم رایانه, مهندسی, Electronics | نیاز به اشتراک | IEEE [۶۰] | |
| Information Bridge: Department of Energy Scientific and Technical Information | چندرشتهای | The Information Bridge: DOE Scientific and Technical Information provides free public access to over 266,000 full-text documents and bibliographic citations of Department of Energy (DOE) research report literature. Documents are primarily from 1991 forward and were produced by DOE, the DOE contractor community, and/or DOE grantees. Legacy documents are added as they become available in electronic format. | رایگان | United States Department of Energy, Office of Scientific and Technical Information[۶۱] |
| Informit | چندرشتهای | Australasian aggregator of bibliographic databases and journals | N/A | RMIT Publishing[۶۲] |
| Infotopia | چندرشتهای | United States search engine of academic sites approved by librarians, teachers, and consortia | رایگان | Dr. Michael Bell[۶۳] |
| IngentaConnect | چندرشتهای | Free searching; Subscription full-text | Ingenta[۶۴] | |
| Indian Citation Index (ICI) | چندرشتهای | Subscription Bibliographical, full-text | ICI[۶۵] | |
| Inspec | Physics, مهندسی, علوم رایانه | The leading bibliographic database providing abstracts and indexing to the world’s scientific and technical papers in physics, electrical مهندسی, electronics, communications, control مهندسی, computing, information technology, manufacturing, production, and mechanical مهندسی. | نیاز به اشتراک | IET[۶۶] |
| Interred educational search engine | چندرشتهای | Is a semantic web search engine for education. | رایگان | Interred[۶۷] |
| InTechOpen | چندرشتهای | Open access books and journals in science, technology and medicine. | رایگان | InTech[۶۸] |
| International Directory of Philosophy | Philosophy | Contains information on university philosophy departments and programs, philosophical societies, research centers, journals, and philosophy publishers around the world. | نیاز به اشتراک | Philosophy Documentation Center[۶۹] |
| Intute | چندرشتهای | Serves students, teachers, and researchers in UK further education and higher education, offering a selection of around 300,000 academic websites which have been hand-picked and described by subject specialists. | رایگان | Intute[۷۰] |
| Intwine | Arts and علوم انسانی | Allows the searching of the full-text of all academic websites catalogued by the Intute arts and علوم انسانی service from 2005–2010. | رایگان | Intwine[۷۱] |
| JournalSeek | چندرشتهای | Open access journals in different language | Links to journal’s home page and publishers | JournalSeek[۷۲] |
| JSTOR: Journal Storage | چندرشتهای (Historical) | نیاز به اشتراک | JSTOR[۷۳] | |
| JURN | Arts and علوم انسانی | Search and retrieve the full-text of over 3,600 scholarly ejournals in the arts and علوم انسانی. | رایگان | JURN[۷۴] |
| LexisNexis | Law (general) | Electronic database for legal and public-records related information | نیاز به اشتراک | Reed الزویر |
| MathSciNet | Mathematics | Available in print as Mathematical Reviews | نیاز به اشتراک | American Mathematical Society[۷۵] |
| MedlinePlus | Medicine | رایگان | Produced by the United States National Library of Medicine, the United States National Institutes of Health, and the United States Department of Health and Human Services[۷۶] | |
| Mendeley | چندرشتهای | The Mendeley research catalog is a crowdsourced database of research documents. Researchers have uploaded nearly 100M documents into the catalog with additional contributions coming directly from subject repositories like Pubmed Central and Arxiv.org or web crawls. | رایگان | Mendeley[۷۷] |
| Merck Index | شیمی, Biology, Pharmacology | Also available in print. | نیاز به اشتراک | Produced by Merck & Co.. Available from CambridgeSoft Corporation, Dialog, Knovel, MedicinesComplete, STN International[۷۸] |
| Meteorological and Geoastrophysical Abstracts | Meteorology, اخترفیزیک, Geology | نیاز به اشتراک | Produced by the American Meteorological Society. Available from Dialog[۷۹] and CSA.[۸۰] | |
| Microsoft Academic Search | علوم رایانه and a limited extent on information science | Provides many innovative ways to explore scientific papers, conferences, journals, and authors[۸۱] | رایگان | Microsoft |
| NBER: National Bureau of Economic Research | اقتصاد | رایگان | National Bureau of Economic Research[۸۲] | |
| National Criminal Justice Reference Service[۸۳] | Criminology, Sociology | Abstracts of scholarly journal articles, agency and NGO reports, and conference proceedings | رایگان | United States Department of Justice, Office of Justice Programs[۸۴] |
| National Diet Library Collection | چندرشتهای | Japanese. Catalog for the National Library of Japan. | N/A | National Diet Library[۸۵] |
| OAIster | چندرشتهای | رایگان | OCLC [۸۶] | |
| Odysci Academic Search | علوم رایانه, Electrical مهندسی and related research topics | A web portal for academic search and rank and technical collaboration, in the علوم رایانه, electrical مهندسی and related research topics. | رایگان | Odysci [۸۷] |
| Open Access Journals Search Engine (OAJSE) | چندرشتهای | Provides Searching and Browsing of Open Access مجلههای علمی | رایگان | Open Access Journals Search Engine (OAJSE).[۸۸] |
| Open J-Gate | مجلههای علمی | Index of open access journals | رایگان | Informatics India Ltd.[۸۹] |
| OpenSIGLE | Grey literature | Indexes European grey literature. | رایگان | Institut de l’Information Scientifique et Technique[۹۰] |
| Philosophy Documentation Center eCollection | Applied ethics, Philosophy, Religious studies | Journals, series, conference proceedings, and other works from several countries online. | Free abstract & preview; Subscription full-text | Philosophy Documentation Center[۹۱] |
| Philosophy Research Index | Philosophy | Index of books, journals, disserations, and other documents | نیاز به اشتراک | Philosophy Documentation Center[۹۱] |
| PhilPapers | Philosophy | رایگان | PhilPapers[۹۲] | |
| PhilSci Archive | Philosophy | Philosophy of science e-print archive | رایگان | PhilSci Archive[۹۳] |
| POIESIS: Philosophy Online Serials | Philosophy, applied ethics, religious studies | Journals and series, online access for institutions with print | Free abstract & preview; Subscription full-text | Philosophy Documentation Center [۹۱] |
| PsychSpider | Psychology | Psychology search engine, which indexes Web content as well as bibliographic (meta-) data. Approximately 1.2 Mio documents from the surface Web and the invisible Web are accessible from a single point of entry. | رایگان | Produced by the Leibniz Institute for Psychology Information.[۹۴] |
| PsycINFO | Psychology | The largest resource devoted to peer-reviewed literature in behavioral science and mental health. It contains over 2.6 million citations and summaries dating as far back as the early 19th century. | نیاز به اشتراک | Produced by the APA.[۹۵] Available from several database vendors.[۹۶] |
| PSYNDEX | Psychology | PSYNDEX is the most comprehensive abstract database (not full-text) of psychological literature, audiovisual media, intervention programs and tests from the German-speaking countries. | نیاز به اشتراک | Produced by the Leibniz Institute for Psychology Information.[۹۷] |
| Pubget | چندرشتهای | نیاز به اشتراک | Pubget | |
| PubMed | Medicine | رایگان | National Institutes of Health and the U.S. National Library of Medicine[۹۸] | |
| PubChem | شیمی | رایگان | National Center for Biotechnology Information and the U.S. National Library of Medicine [۹۹] | |
| Rarebooks.info | چندرشتهای / Bibliographies | Electronic rare bibliographies on early printing, world literature, natural history, science, medicine, theology, cultural and area studies, Judaica, music, theology, art and architecture. | نیاز به اشتراک / Free trial available | http://fa.wikipedia.org/w/index.php?title=Www.rarebooks.info&action=edit&redlink=1&preload=%D8%A7%D9%84%DA%AF%D9%88:%D8%A7%DB%8C%D8%AC%D8%A7%D8%AF+%D9%85%D9%82%D8%A7%D9%84%D9%87/%D8%A7%D8%B3%D8%AA%D8%AE%D9%88%D8%A7%D9%86%E2%80%8C%D8%A8%D9%86%D8%AF%DB%8C&editintro=%D8%A7%D9%84%DA%AF%D9%88:%D8%A7%DB%8C%D8%AC%D8%A7%D8%AF+%D9%85%D9%82%D8%A7%D9%84%D9%87/%D8%A7%D8%AF%DB%8C%D8%AA%E2%80%8C%D9%86%D9%88%D8%AA%DB%8C%D8%B3&summary=%D8%A7%DB%8C%D8%AC%D8%A7%D8%AF+%DB%8C%DA%A9+%D9%85%D9%82%D8%A7%D9%84%D9%87+%D9%86%D9%88+%D8%A7%D8%B2+%D8%B7%D8%B1%DB%8C%D9%82+%D8%A7%DB%8C%D8%AC%D8%A7%D8%AF%DA%AF%D8%B1&nosummary=&prefix=&minor=&create=%D8%AF%D8%B1%D8%B3%D8%AA+%DA%A9%D8%B1%D8%AF%D9%86+%D9%85%D9%82%D8%A7%D9%84%D9%87+%D8%AC%D8%AF%DB%8C%D8%AF[۱۰۰] |
| Readers’ Guide to Periodical Literature | مجلههای علمی and Magazines | Coverage: 1983–present. | نیاز به اشتراک | H. W. Wilson Company[۱۰۱] |
| Reader’s Guide Retrospective: 1890–1982 | مجلههای علمی and Magazines | نیاز به اشتراک | H. W. Wilson Company[۱۰۲] | |
| RePEc: Research Papers in اقتصاد | اقتصاد | رایگان | Volunteer Collaboration [۱۰۳] | |
| Russian Science Citation Index | Scientific journals | A bibliographic database of scientific publications in Russian. | رایگان | Scientific electronic library[۱۰۴] |
| Rock’s Backpages | Music | Primary documents from the history of rock and roll | نیاز به اشتراک. Limited free access with registration. | Backpages Limited[۱۰۵] |
| SafetyLit[۱۰۶] | چندرشتهای | Citations and abstracts of journal articles and reports from researchers working in the more than 35 distinct professional disciplines (architecture – zoology) relevant to preventing unintentional injuries, violence, and self-harm. | رایگان | San Diego State University Graduate School of Public Health[۱۰۷] and the World Health Organization, Department of Violence and Injury Prevention[۱۰۸] |
| SciDiver | Physics, Mathematics, علوم رایانه, Nonlinear sciences, Quantitative biology and آمار | Experimental enhanced search interface with NLP based search over arXiv. | رایگان | SciDiver[۱۰۹] |
| Science.gov | چندرشتهای | A gateway to government science information and research results. Science.gov provides a search of over 45 scientific databases and 200 million pages of science information with just one query, and is a gateway to over 2000 scientific Websites. | رایگان | Science.gov Alliance, 18 scientific and technical organizations from 14 federal agencies that contribute to Science.gov. United States Department of Energy, Office of Scientific and Technical Information serves as the operating agent for Science.gov.[۱۱۰] |
| ساینس اکسلریتور | چندرشتهای | A gateway to results of DOE research and development and major R&D accomplishments of interest to DOE. | رایگان | United States Department of Energy, Office of Scientific and Technical Information.[۱۱۱] |
| نمایه استنادی علمی | Science (General) | Part of وب آو ساینس | نیاز به اشتراک | Thompson Reuters[۱۱۲] |
| ساینسدایرکت | چندرشتهای | نیاز به اشتراک | الزویر[۱۱۳] | |
| سیروس | Science (General) | رایگان | الزویر[۱۱۴] | |
| اسکوپوس | چندرشتهای | نیاز به اشتراک | الزویر[۱۱۵] | |
| SearchTeam | چندرشتهای | Students search together collaboratively for scholarly articles and resources | رایگان | Zakta[۱۱۶] |
| SeDiCI UNLP [۱۱۷] | چندرشتهای | Journal articles, conferences’ proceedings, theses, pictures and all the Intellectual Creation from the National University of La Plata | رایگان | National University of La Plata[۱۱۸] |
| علوم اجتماعی Citation Index | علوم اجتماعی | Part of وب آو ساینس | نیاز به اشتراک | Thompson Reuters[۱۱۹] |
| http://fa.wikipedia.org/w/index.php?title=Socolar&action=edit&redlink=1&preload=%D8%A7%D9%84%DA%AF%D9%88:%D8%A7%DB%8C%D8%AC%D8%A7%D8%AF+%D9%85%D9%82%D8%A7%D9%84%D9%87/%D8%A7%D8%B3%D8%AA%D8%AE%D9%88%D8%A7%D9%86%E2%80%8C%D8%A8%D9%86%D8%AF%DB%8C&editintro=%D8%A7%D9%84%DA%AF%D9%88:%D8%A7%DB%8C%D8%AC%D8%A7%D8%AF+%D9%85%D9%82%D8%A7%D9%84%D9%87/%D8%A7%D8%AF%DB%8C%D8%AA%E2%80%8C%D9%86%D9%88%D8%AA%DB%8C%D8%B3&summary=%D8%A7%DB%8C%D8%AC%D8%A7%D8%AF+%DB%8C%DA%A9+%D9%85%D9%82%D8%A7%D9%84%D9%87+%D9%86%D9%88+%D8%A7%D8%B2+%D8%B7%D8%B1%DB%8C%D9%82+%D8%A7%DB%8C%D8%AC%D8%A7%D8%AF%DA%AF%D8%B1&nosummary=&prefix=&minor=&create=%D8%AF%D8%B1%D8%B3%D8%AA+%DA%A9%D8%B1%D8%AF%D9%86+%D9%85%D9%82%D8%A7%D9%84%D9%87+%D8%AC%D8%AF%DB%8C%D8%AF | چندرشتهای | Scholarly open access resources in different language | Free abstracts; Links to full-text | Socolar[۱۲۰] |
| SSRN: علوم اجتماعی Research Network | علوم اجتماعی | Contains an abstracts database and a electronic paper collection, arranged by discipline. | رایگان | علوم اجتماعی Electronic Publishing, Inc.[۱۲۱] |
| SSRRN: علوم اجتماعی Research Resources Network | علوم اجتماعی | Indexes datasets and statistical codes | رایگان | علوم اجتماعی Research Resources Network =[۱۲۲] |
| SPIRES-HEP | Physics, (High Energy) | رایگان | Stanford Linear Accelerator Center & partners [۱۲۳] | |
| SpringerLink | چندرشتهای | Free abstract & preview; Subscription full-text | Springer [۱۲۴] | |
| TDG Scholar | علوم رایانه scholarly articles | رایگان | The Distributed Group[۱۲۵] | |
| Theological Journals Search | Theology, Religious studies | Allows searching and retrieval of full text articles from over 350 open access journals. | رایگان | Google[۱۲۶] |
| Udemy | چندرشتهای | Allows anyone to teach and learn online through videos, webinars, forums, and more. | رایگان | Udemy |
| Ulrich’s Periodicals Directory | Periodicals | نیاز به اشتراک | Proquest[۱۲۷] | |
| VADLO | Biomedicine, Life science | Categories indexed: Protocols, Online tools, Powerpoints, Databases, Software | رایگان | VADLO[۱۲۸] |
| Web of Knowledge | چندرشتهای | Includes other products, such as وب آو ساینس, Biological Abstracts & The Zoological Record | نیاز به اشتراک | تامسون رویترز[۱۲۹] |
| وب آو ساینس | Science (General) | Includes other products, such as علوم اجتماعی Citation Index & Science Citation Index. | نیاز به اشتراک | تامسون رویترز[۱۳۰] |
| WestLaw | Law (General) | نیاز به اشتراک | تامسون رویترز | |
| ورلدکت | چندرشتهای | Unified catalog of member libraries’ catalogs | Free & Subscription | OCLC[۱۳۱] |
| ورلدوایدساینس | چندرشتهای | WorldWideScience is a global science gateway composed of national and international scientific databases and portals. WorldWideScience accelerates scientific discovery and progress by providing one-stop searching of databases from around the world. Multilingual WorldWideScience provides real-time searching and translation of globally dispersed multilingual scientific literature. | رایگان | The WorldWideScience Alliance, a multilateral partnership, consists of participating member countries and provides the governance structure for WorldWideScience. United States Department of Energy, Office of Scientific and Technical Information serves as the operating agent for WorldWideScience.[۱۳۲] |
| Zasshi Kiji Sakuin: Japanese Periodicals Index | مجلههای علمی | Japanese. | N/A | National Diet Library‘s Online Catalog,[۱۳۳] MagazinePlus,[۱۳۴] CiNii[۱۳۵] |
| Zentralblatt MATH | Mathematics | First three records free without subscription. | نیاز به اشتراک | Springer Science+Business Media[۱۳۶] |
| The Zoological Record | Zoology | Unofficial register of scientific names & papers in Zoology. Coverage 1864–present. | نیاز به اشتراک | Thompson Reuters[۱۳۷] |
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