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A gateway to government science information and research results from over 60 databases, over 2,200 websites, and over 200 million pages. Free United States Government: Science Citation Index [67] Multidisciplinary: Part of Web of Science. 24,000+ journals across 254 subject disciplines. Subscription Clarivate Analytics
Science.gov is a web portal and specialized search engine. Using federated search technology, Science.gov serves as a gateway to United States government scientific and technical information and research. Currently in its fifth generation, Science.gov provides a search of over 60 databases from 14 federal science agencies and 200 million pages ...
Internet censorship in the United States is the suppression of information published or viewed on the Internet in the United States. The First Amendment of the United States Constitution protects freedom of speech and expression against federal, state, and local government censorship. Free speech protections allow little government-mandated ...
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 ...
This creates the effect of a vast digital library of source information on national and local government policy and processes. Some of the search tools for finding government information are listed below: Business.gov. Catalog of US Government Publications. Data.gov. FirstGov. GovSpeak: Abbreviations and Acronyms of the US Government.
PubMed. PubMed is a free database including primarily the MEDLINE database of references and abstracts on life sciences and biomedical topics. The United States National Library of Medicine (NLM) at the National Institutes of Health maintains the database as part of the Entrez system of information retrieval.
CiteSeer X [4] is a public search engine and digital library and repository for scientific and academic papers, primarily with a focus on computer and information science. [4] However, recently CiteSeer X has been expanding into other scholarly domains such as economics, physics and others. Released in 2008, it was loosely based on the previous ...
Federated search. Federated search retrieves information from a variety of sources via a search application built on top of one or more search engines. [ 1] A user makes a single query request which is distributed to the search engines, databases or other query engines participating in the federation. The federated search then aggregates the ...