Elements Data Sources and Citation Indexes

The Symplectic Elements platform features a built-in search engine that automatically populates publications from (many) public and subscription databases. Below is a list of current data sources and citation indexes available.


Research Metrics Service.

Altmetric collects article level metrics and the online conversations around research on behalf of publishers, institutions and funders, combining a selection of online indicators (both scholarly and non-scholarly) to give a measurement of digital impact and reach. We do this by tracking, collecting and measuring large amounts of data collected from all of the places where scientists, patient advocates, journalists, nurses, engineers and members of the public talk about science online - for example, blogs, Twitter, Facebook, Google+, message boards and mainstream newspapers and magazines. Altmetric allows authors, institutions and publishers to see what people are saying about a scholarly paper and can tell them how much attention a paper is receiving relative to their pee


Searchable Bibliographic Data Source.

Started in August 1991, arXiv.org (formerly xxx.lanl.gov) is a highly-automated electronic archive and distribution server for research articles. Covered areas include physics, mathematics, computer science, nonlinear sciences, quantitative biology and statistics. arXiv is maintained and operated by the Cornell University Library with guidance from the arXiv Scientific Advisory Board and the arXiv Sustainability Advisory Group, and with the help of numerous subject moderators.

CiNii EN/CiNii JP

Searchable Bibliographic Data Source.

CiNii (Scholarly and Academic Information Navigator, pronounced like "sigh-knee") is a database service which can be searched with academic information of articles, Books & Journals.  "CiNii Articles" enables you to search information on academic articles published in academic society journals, university research bulletins or articles included in the National Diet Library's Japanese Periodicals Index Database. 

"CiNii Books" enables you to search information of books and journals held by university libraries in Japan.

Clarivate Analytics: InCites

Searchable Bibliometric Analysis

InCites is a citation-based evaluation tool for academic and government administrators to analyze institutional productivity and benchmark output against peers and aspirational peers in a national or international context.


Supplementary Search.

CrossRef is an association of scholarly publishers that develops shared infrastructure to support more effective scholarly communications. The CrossRef citation-linking network today covers over 65 million journal articles and other content items (books chapters, data, theses, technical reports) from thousands of scholarly and professional publishers around the globe. CrossRef is a DOI Registration Agency and is committed to long term sustainability.


Searchable Bibliographic Data Source.

DBLP is a computer science bibliography website hosted at Universität Trier, in Germany. It was originally a database and logic programming bibliography site, and has existed at least since the 1980s. DBLP listed more than 2.3 million articles on computer science in October 2013. All important journals on computer science are tracked. Proceedings papers of many conferences are also tracked.  DBLP originally stood for DataBase systems and Logic Programming, the new title is now, "The DBLP Computer Science Bibliography"

Europe PubMed Central

Supplementary Search.

Europe PubMed Central (Europe PMC) offers free access to biomedical literature resources including:

- PubMed abstracts (about 28 million)
- Europe PMC full text articles (about 2.6 million, of which over 570,000 are Open Access)
- Patent abstracts (over 4 million European, US, and International)
- National Health Service (NHS) clinical guidelines
- Agricola records (500,000)
- Supplemented with Chinese Biological Abstracts

Europe PMC is based on PubMed Central (PMC), developed at the NCBI in the USA and is part of a network of PMC International (PMCI) repositories that also includes PMC Canada. It is supported by 24 funders of life sciences and biomedical research, including charities and government organisations across Europe, led by the Wellcome Trust.

Europe PMC is developed by the European Bioinformatics Institute, The University of Manchester (Mimas andNaCTeM), and the British Library.

Modern Language Association

The MLA sustains a wide-ranging print and electronic publishing program that includes books, journals, style guides, and an international bibliography. MLA journals publish the latest scholarship on languages and literatures. The MLA International Bibliography provides a subject index for books and articles published on modern languages, literatures, folklore, and linguistics


Searchable Bibliographic Data Source

PubMed comprises more than 23 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher web sites.


Searchable Bibliographic Data Source

RePEc (Research Papers in Economics) is a collaborative effort of hundreds of volunteers in 82 countries to enhance the dissemination of research in Economics and related sciences. The heart of the project is a decentralized bibliographic database of working papers, journal articles, books, books chapters and software components, all maintained by volunteers. The collected data is then used in various services as described below.

So far, over 1,600 archives from 81 countries have contributed about 1.4 million research pieces from 1,800 journals and 3,800 working paper series. Over 35,000 authors have registered and 70,000 email subscriptions are served every week.

Web of Science 

Searchable Bibliographic Data Source

Web of Science is an online subscription-based scientific citation indexing service originally produced by the Institute for Scientific Information (ISI), now maintained by Clarivate Analytics (previously the Intellectual Property and Science business of Thomson Reuters), that provides a comprehensive citation search. It gives access to multiple databases that reference cross-disciplinary research, which allows for in-depth exploration of specialized sub-fields within an academic or scientific discipline.


Searchable Bibliographic Data Source

The Social Science Research Network (SSRN) is a network of over 1.7 million users and 266,000 authors, devoted to the rapid global dissemination of social science research. With this release, the much-anticipated addition of the SSRN as a data source to Elements means that researchers in the social sciences and humanities can benefit from a greater level of bibliographic harvesting.

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