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These bare URL refs are tracked separately because tools such as Citation bot, Reflinks and reFill cannot extract metadata from PDF documents, so the metadata such as title, author and publication date needs to be added manually. This search can be used to find more articles with bare PDF URLs.
the article about bibliographic databases for information about databases giving bibliographic information about finding books and journal articles. Note that "free" or "subscription" can refer both to the availability of the database or of the journal articles included. This has been indicated as precisely as possible in the lists below.
Find this article at OpenDOAR, a search engine for academic repositories; Find this article in the DOAJ, a multidisciplinary index of open-access journal content; Find this article at CORE, an aggregator of open-access research; Find this article at PubMed Central, a medical database; Find this article in Paperity, a multidisciplinary ...
Indexes are constructed, separately, on three distinct levels: terms in a document such as a book; objects in a collection such as a library; and documents (such as books and articles) within a field of knowledge. Subject indexing is used in information retrieval especially to create bibliographic indexes to retrieve documents on a particular ...
Glossary of Selected Social Science Computing Terms and Social Science Data Terms; Inter-university Consortium for Political and Social Research: free access for general social survey and national election survey. National Geographic Society; OECD: Economic, social, and infrastructure data on industrialized countries.
Index terms can consist of a word, phrase, or alphanumerical term. They are created by analyzing the document either manually with subject indexing or automatically with automatic indexing or more sophisticated methods of keyword extraction. Index terms can either come from a controlled vocabulary or be freely assigned.
Article 1. (General) A document of writing, physical or virtual, on any given subject matter. [2] 2. A document of writing specifically planned, researched, and curated by researchers to share insights within original research. This process is often quality assured through peer review where a group of academic peers review the article for its ...
For example, a bare namespace returns the pages of the namespace. The query term1 term2 regexp relies heavily on the first two terms to reduce the search domain size. All terms in a query are indexed searches unless they are a regexp. Indexed terms run word-wise instantly, and a regexp runs character-wise slowly. Even the most basic use of a ...