Scirus - Comprehensive science-specific search engine. All Academic - A searchable database of academic publications: journals, working papers, convention papers and magazine articles. Also has an A-Z list of links to online journals. BASE: Bielefeld Academic Search Engine - Searches scholarly internet resources from all academic disciplines. Provides a list of the sources indexed. CiteULike - Search, organize, and share scholarly papers. Indexes over 2 million articles. RefSeek - Searches the entire Web for freely-available academic information. Lexis Web - Search legal-oriented web sites that are determined by LexisNexis to be trustworthy and authoritative. Virtual Learning Resources Center - A search engine and academic directory for selected information and reference sites recommended by teachers, librarians, and library and educational consortia. Directory of Open Access Journals - Provides access to full-text online journals. Searchable by title or by subject or browsable in a subject tree. Odysci - A web portal which also offers search for technical papers in computer science, electrical engineering and related areas. Swoogle - A search engine for the Semantic Web on the Web, crawling the World Wide Web for Semantic Web documents, which are written in RDF. Q-Sensei - Search through datasets from the Library of Congress, the National Library of Medicine and databases such as ArXiv, IngentaConnect, and RePEc. Sweet Search - Searches the 35,000 sites that researchers, librarians and teachers have evaluated and approved. The ranking of high quality sites is increased. Aimed at students. Norele - Built to return accurate, unbiased search results, clearly focusses on the search strings in the URLs. DeepDyve - A research search engine to access content in the deep web. Google Scholar - Provides a search of scholarly literature across many disciplines and sources, including theses, books, abstracts and articles.