A citation index is a kind of bibliographic index, an index of citations between publications, allowing the user to easily establish which later documents cite which earlier documents. A form of citation index is first found in 12th-century Hebrew religious literature. Legal citation indexes are found in the 18th century and were made popular by citators such as Shepard's Citations (1873). In 1961, Eugene Garfield's Institute for Scientific Information (ISI) introduced the first citation index for papers published in academic journals, first the Science Citation Index (SCI), and later the Social Sciences Citation Index (SSCI) and the Arts and Humanities Citation Index (AHCI). American Chemical Society converted its printed Chemical Abstract Service into internet-accessible SciFinder in 2008. The first automated citation indexing was done by CiteSeer in 1997 and was patented. Other sources for such data include Google Scholar, Microsoft Academic, Elsevier's Scopus, and the National Institutes of Health's iCite.
Scopus is Elsevier's abstract and citation database launched in 2004. Scopus covers nearly 36,377 titles from approximately 11,678 publishers, of which 34,346 are peer-reviewed journals in top-level subject fields: life sciences, social sciences, physical sciences and health sciences. It covers three types of sources: book series, journals, and trade journals. All journals covered in the Scopus database are reviewed for sufficiently high quality each year according to four types of numerical quality measure for each title; those are h-Index, CiteScore, SJR and SNIP. Searches in Scopus also incorporate searches of patent database Lexis-Nexis, albeit with a limited functionaly.
Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. Released in beta in November 2004, the Google Scholar index includes peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other scholarly literature, including court opinions and patents.
The American Journal of Public Health is a monthly peer-reviewed public health journal published by the American Public Health Association that covers health policy and public health. The journal was established in 1911 and its stated mission is "to advance public health research, policy, practice, and education." The journal occasionally publishes themed supplements. The editor-in-chief is Alfredo Morabia.
The International Journal of Hydrogen Energy is a peer-reviewed scientific journal covering all aspects of hydrogen energy, including hydrogen generation and storage. It is published by Elsevier and is an official journal of the International Association for Hydrogen Energy. Established in 1976, the journal became monthly in 1982, biweekly in 2008, 36/yr in 2013, and weekly in 2015. The editor in chief is Turhan Nejat Veziroğlu.
Das Argument: Zeitschrift für Philosophie und Sozialwissenschaften is a bimonthly German academic journal covering philosophy and social sciences from a Marxist viewpoint. It was established in 1959 as an independent West German journal. Each issue of the journal is devoted to a specific theme and contains a substantial review section.
Order is a quarterly peer-reviewed academic journal on order theory and its applications, published by Springer Science+Business Media. It was established in 1984 by Ivan Rival. From 2010 to 2018, its editor-in-chief was Dwight Duffus. He was succeeded in 2019 by Ryan R. Martin.
Family Process is a quarterly peer-reviewed academic journal covering research on family system issues, including policy and applied practice. It is published by Wiley-Blackwell on behalf of the Family Process Institute. Since 2007, the journal publishes its abstracts in Chinese and Spanish in addition to English. The journal publishes original articles, including theory and practice, philosophical underpinnings, qualitative and quantitative clinical research, and training in couple and family therapy, family interaction, and family relationships with networks and larger systems.
Oncotarget is a primarily oncology-focused, peer-reviewed, open access journal. The journal was established in 2010 and is published by Impact Journals. The editors-in-chief are Mikhail Blagosklonny and Andrei V. Gudkov.
IEEE Access is a peer-reviewed open-access scientific journal published by the Institute of Electrical and Electronics Engineers (IEEE). It was established in 2013 and covers all IEEE fields of interest. The founding editor-in-chief was Michael Pecht and the current editor-in-chief is Derek Abbott. The journal won a PROSE Award in 2015 for the best new journal in science, technology, engineering, and mathematics.
Sustainability is a peer-reviewed open-access academic journal published by MDPI. It covers all aspects of sustainability studies. The journal has faced criticism over its quality. In September 2021 the journal was among the initial 13 journals included in the official Norwegian list of possibly predatory journals, known as level X. In 2022 the Norwegian national publication committee determined that Sustainability is not an academic journal and removed it from the register of approved journals starting from 2023. The journal is listed in the Directory of Open Access Journals.
Combustion Theory and Modelling is a bimonthly peer-reviewed scientific journal covering research on combustion. The editors-in-chief are Moshe Matalon and Mitchell D. Smooke. It is published by Taylor & Francis and was established in 1997. The founding editors are John W. Dold and Mitchell D. Smooke.
Die Musikforschung is a quarterly peer-reviewed academic journal of musicological which since 1948 is published on behalf of the Gesellschaft für Musikforschung by Bärenreiter. The editors-in-chief are Panja Mücke, Manuel Gervink, and Friedrich Geiger. The journal covers music history, theory, and practice. A review section discusses German and foreign-language books and scholarly editions of sheet music. Reports provide summaries of relevant congresses and conferences.
Psychology and Psychotherapy: Theory, Research and Practice is a quarterly peer-reviewed medical journal covering research, assessment and treatment of psychopathologies. It is published by Wiley-Blackwell on behalf of the British Psychological Society and the editors-in-chief are Katherine Berry and Sandra Bucci. It was established in 1920 as The British Journal of Medical Psychology.
Research in Number Theory is a peer-reviewed mathematics journal covering number theory and arithmetic geometry. The editors-in-chief are Jennifer Balakrishnan, Florian Luca, Ken Ono, and Andrew Sutherland. It was established in 2015 as a full open access journal, but is now a hybrid open access journal, published by Springer Science+Business Media.
The Journal of Human Rights is a quarterly peer-reviewed academic journal covering human rights studies and practices, and natural and legal rights in context of national and international law, and international relations. It is published by Routledge and is currently housed at the University of Connecticut, Storrs with Shareen Hertel as editor-in-chief. The journal was established in 2001 by founding editor-in-chief Thomas Cushman.
The Journal of Food and Drug Analysis is a quarterly peer-reviewed open-access scientific journal published by the Taiwanese Food and Drug Administration. It contains review and research articles covering food science, pharmacology, and chemical analysis. The journal was established in 1993 and the editor-in-chief is Gow-Chin Yen.
Geochemistry, Geophysics, Geosystems is a peer-reviewed open-access scientific journal covering research in Earth and planetary processes with a focus on understanding the Earth as a system. The journal is published by Wiley on behalf of the American Geophysical Union. As of May 2022 the editor-in-chief is Claudio Faccenna.
The Journal d'Analyse Mathématique is a triannual peer-reviewed scientific journal published by Magnes Press. It was established in 1951 by Binyamin Amirà. It covers research in mathematics, especially classical analysis and related areas such as complex function theory, ergodic theory, functional analysis, harmonic analysis, partial differential equations, and quasiconformal mapping.
The International Journal of Fatigue is a monthly peer-reviewed scientific journal covering research, theory, and practice concerning the fatigue of materials and structures. The journal is published by Elsevier in affiliation with the European Structural Integrity Society. As of October 2022, the editors-in-chief are Guozheng Kang, Michael D. Sangid, and Michael Vormwald.
