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Questia: Online Research Library: Multidisciplinary: Emphasis on books and journal articles in the humanities and social sciences. Closed down on December 21, 2020 Subscription Questia: Science Accelerator: Multidisciplinary: A gateway to results of DOE research and development and major R&D accomplishments of interest to DOE. Not working from ...
other education-related materials; ERIC provides the public with a centralized Web site for searching the ERIC collection and submitting materials to be considered for inclusion in the collection. Users can also access the collection through commercial database vendors, statewide and institutional networks, and Internet search engines.
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 ...
Trove is an Australian online library database owned by the National Library of Australia in which it holds partnerships with source providers National and State Libraries Australia, an aggregator and service which includes full text documents, digital images, bibliographic and holdings data of items which are not available digitally, and a free faceted-search engine as a discovery tool.
Indexing and classification methods to assist with information retrieval have a long history dating back to the earliest libraries and collections however systematic evaluation of their effectiveness began in earnest in the 1950s with the rapid expansion in research production across military, government and education and the introduction of computerised catalogues.
The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.
Ranking of query is one of the fundamental problems in information retrieval (IR), [1] the scientific/engineering discipline behind search engines. [2] Given a query q and a collection D of documents that match the query, the problem is to rank, that is, sort, the documents in D according to some criterion so that the "best" results appear early in the result list displayed to the user.
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