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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 ...
A database of biomedical and life sciences literature with access to full-text research articles and citations. [56] Includes text-mining tools and links to external molecular and medical data sets. A partner in PMC International. [57] Free EMBL-EBI [58] FSTA – Food Science and Technology Abstracts: Food science, Food technology, Nutrition
A full-text database or a complete-text database is a database that contains the complete text of books, dissertations, journals, magazines, newspapers or other kinds of textual documents. They differ from bibliographic databases (which contain only bibliographical metadata , including abstracts in some cases) and non-bibliographic databases ...
Elephind – text searchable free database with access to over 200 million items from 4,345 newspaper titles. Florida Digital Newspaper Collection; Georgia (US State) Historic Newspapers - provides 984 newspaper titles from 1763 to the present day. Google News Archive — an unsupported (abandoned) database. Most useful to find a specific date ...
At the end of the process (December 2017), close to 5,000 journals, out of the 11,600 indexed in May 2016, had been removed from their database, in majority for failure to reapply. [ 4 ] [ 5 ] [ 6 ] Notwithstanding the substantial cleanup, the number of journals included in DOAJ has continued to grow, to reach 14,299 as of 3 March 2020. [ 7 ]
This is a list of online newspaper archives and some magazines and journals, including both free and pay wall blocked digital archives. Most are scanned from microfilm into pdf, gif or similar graphic formats and many of the graphic archives have been indexed into searchable text databases utilizing optical character recognition (OCR) technology.
In text retrieval, full-text search refers to techniques for searching a single computer-stored document or a collection in a full-text database.Full-text search is distinguished from searches based on metadata or on parts of the original texts represented in databases (such as titles, abstracts, selected sections, or bibliographical references).
Access to the full-text pdfs of non-open access publications require either a subscription (to the specific journal rather than to the whole database) or per-article/book payment. Subscriptions to the overall content hosted on ScienceDirect, rather than to specific titles, are usually acquired through what is called a big deal .