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The DOAJ is very special academic database since all the articles indexed are open access and can be accessed freely of charge.
- Coverage: approx. 4.3 million items
- References: NA
- Discipline: Multidisciplinary
JSTOR is another great resource to find research papers. Any article published before 1924 in the United States is available for free and JSTOR also offers scholarships for independent researchers.
- Coverage: approx. 12 million items
- References: NA
- Discipline: Multidisciplinary
It's the power of Google searches applied to research papers and patents. It not only lets you find research papers for all academic disciplines for free, but also often provides links to full text PDF file.
Google Scholar is NOT Google, while Google searches the entire public Web, Google Scholar searches a smaller portion of the Web, similar to searching in the Library's catalog and databases. There is a more scholarly, authoritative focus with Google Scholar distinguishing it from Google. Google scholar is like a federated search allowing you to search in many places at once. Remember it is not exactly the same as a Library Database, many articles may have links to the Library Databases (if your library is linked in your Google Scholar settings) but it will NOT be all of the same materials. Think of it as a starting place for more precise searching, more search features, and more content.
- Coverage: approx. 200 million articles
- Abstracts: only a snippet of the abstract is available
- Coverage: approx. 210 million articles
- Abstracts: ✔
- Related articles: ✔
- References: ✔
CORE is an academic search engine dedicated to open access research papers. For each search result a link to the full text PDF or full text web page is provided.
- Coverage: approx. 136 million articles
- Abstracts: ✔
- Related articles: ✔
- References: ✘
- Cited by: ✘
- Links to full text: ✔ (all articles in CORE are open access)back to
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