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BASE (Bielefeld Academic Search Engine) is one of the world's most voluminous search sengines especially for academic web resources, e.g. journal articles, preprints, digital collections, images / videos or research data. Other than search engines like Google or Bing BASE searches the deep web as well. The sources which are included are intellectually selected and reviewed. BASE is operated by Bielefeld University Library.
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CiteSeerx is a scientific literature digital library and search engine that focuses primarily on the literature in computer and information science. CiteSeerx aims to improve the dissemination of scientific literature and to provide improvements in functionality, usability, availability, cost, comprehensiveness, efficiency, and timeliness in the access of scientific and scholarly knowledge.
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The CDC data catalog describes climate data in the DWD and provides access to data, descriptions, and access paths. By climate data we mean observations, derived statistical key figures and spatial analyses. In addition to climate data from Germany, the CDC also includes global climate data that are collected and processed within the framework of international cooperation at the DWD. The CDC data catalog is under construction and therefore not yet complete. The aim of the CDC data catalog is to standardize access to different data centers and data holdings in the DWD, to describe the climate data holdings of the DWD according to international metadata standards, to make the catalog information available on the web, to support the search for data holdings, and to facilitate access to descriptions and data.
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The DART-Europe E-theses Portal is a searchable database of electronic research theses held in European repositories. The theses listed are open access - publicly available, in full, without charge. The DART-Europe Portal does not store theses, but it provides a link to at least one electronic copy of every thesis listed in its database.
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The German Climate Atlas published by the Deutscher Wetterdienst presents possible future climate scenarios alongside information on the climate today and in the past– now also on the federal-state scale.
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EThOS is the UK’s national thesis service. There are approximately 480,000 records relating to theses awarded by over 120 institutions. Around 260,000 of these also provide access to the full text thesis, either via download from the EThOS database or via links to the institution’s own repository. Of the remaining 220,000 records dating back to at least 1800, three quarters are available to be ordered for scanning through the EThOS digitisation-on-demand facility.
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