Academic search engine is designed for professional search engine scholarly information retrieval on the Internet, usually including books, papers, journals, documents, titles and other academic resources and academic sites, academic search engines is very helpful for learning and research. Obo one hundred passengers collected some common free academic search engine.
1、Google Scholar
Google's free scholarship search engine that can help quickly find academic information, such as peer-reviewed literature, theses, books, preprints, abstracts and technical reports. Its free advantages for individuals who are not rich or not related academic library resources of great significance.
2、SCIRUS
Scirus is the most comprehensive on the Internet, one of the most comprehensive scientific literature portal engine Scirus information sources are mainly of two parts: Web and journals. Scirus range of subjects covered include: agriculture and biology, astronomy, biological sciences, chemistry and chemical engineering, computer science, earth and planetary sciences, economics, finance and management science, engineering, energy and technology, environmental science, linguistics, law, life science, materials science, mathematics, medicine, neuroscience, pharmacology, physics, psychology, social and behavioral sciences and sociology. It is to their own resources as the main resource for online scientific value of integration, gathering scientific articles on the site with the scientific content of web pages and related sciences, technical reports, conference papers, professional literature, preprints, etc. . The aim is to strive to achieve a comprehensive collection of in-depth information in the fields of science, unified search mode for the user to provide search services.
3, Sciseek (Scientific Exploration Network)
SciSeek focus on scientific search engines and directories, including some scientific journals and other tools.
4, Find Articles (paper search network)
Paper search network climax publication offers a variety of millions of papers which cover all aspects of arts and entertainment, automotive, commercial, and by the financial, computer and technology, health and fitness, news and society, science education and sports. Most of free full-text data, simple retrieval operation.
5. Intute
Information system developed by the Joint Committee under the Council of UK higher education funding JISC and humanities Research Council of Arts and AHRC established to focus on teaching and research of network resources. The collection of information resources is through the selection and assessment of industry experts, thus ensuring its quality. The database information has reached 120,060. Intute total of four areas: science and technology, arts and humanities, social sciences, health and life sciences. Under various fields and includes many disciplines, to science and technology category, for example, covering astronomy, chemistry, physics, engineering, computing, geography, mathematics, earth science, environmental and interdisciplinary information of 33,806.
6、Information Bridge
Information Bridge is a subsidiary of the US Department of Energy DOE OSTI Scientific and Technical Information Office and the development and maintenance of search tool that provides full-text documents US Department of Energy and directories of research results since 1994, subject areas covered include physics, chemistry, materials, biological , environmental science, energy technology, engineering, computer and information science and renewable energy. Basic search and retrieval functions Advanced Search two kinds.
7 OAIster
OAIster University of Michigan is a good development and maintenance of open access search engines, it collected 5.9 million documents from 536 academic institutions, including articles open access journals, working papers, discussion articles, conference papers and dissertations. According to keyword, title, creator, subject, or resource type to search. Search results containing the resource description and resource links.
8、Base-Search
BASE is a library developed by Bielefeld Germany (Bielefeld) University, a multi-disciplinary academic search engines, provides integrated search services for heterogeneous global academic resources. It integrates the library catalog Bielefeld University Library and about 160 open source (more than 2 million documents) data.
9、Vascoda
Vascoda is a cross-disciplinary portal prototype, which focus on specific topics aggregation, integration of the library's collections, bibliographic databases, and additional academic content.
10, Baidu document search
Information Baidu document search can look at Word, PowerPoint, PDF and other formats of research reports, papers, courseware and other types of documents. It supports Office documents, including Word, Excel, Powerpoint, Adobe PDF documents, RTF documents full-text search. When searching, the key words in the back plus a "filetype:" to define the document type. "Filetype:" It may be followed the following file formats: DOC, XLS, PPT, PDF, RTF, ALL. Where, ALL represents a search for all of these file types. In the search results page, click on the title of the result, you can download the document, you can click on the heading "html version of" view the page format of the content of the document.
11, Baidu Guoxue
Baidu currently able to provide the Chinese culture since the Qin Dynasty, down to the late Qing dynasties of ancient books and records retrieval and reading. Covering the classics, history, children, set ministries.
12, cnpLINKer
In order to give the reader a user to provide convenient access to various foreign journal literature integrated network platform, the company plans to develop the organization cnpLINKer (cnpiec LINK service) online database retrieval system, and the official opening run. cnpLINKer that is, "in view of the link service", currently the main provider of query about 3600 kinds of foreign periodicals of contents and abstracts and full-text electronic journals and link domestic collections query. and kept up with foreign publishers of content data consistency and to-date .
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