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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 ...
The Redalyc project (Red de Revistas Científicas de América Latina y El Caribe, España y Portugal) is a bibliographic database and a digital library of Open Access journals, supported by the Universidad Autónoma del Estado de México with the help of numerous other higher education institutions and information systems.
Spain stated, "There was a glaring gap between free search like Google and high-end offerings like LexisNexis and Factiva." [4] Later in 2002, it bought Researchville.com. By 2003, it had increased its archive base to articles from 2,600 publishers. In 2004, it was renamed HighBeam Research. In 2005, it increased its publisher base to 3,500 ...
El Rincón del Vago (Spanish for "Lazybones's corner") is a Spanish-language web portal that offers content for students. Established in 1998 [ 1 ] and held by Orange España , it offers a public access repository of information, notably monographs .
Aguascalientes, [a] officially the Free and Sovereign State of Aguascalientes, [b] is one of the 32 states which comprise the Federal Entities of Mexico.At 22°N and with an average altitude of 1,950 m (6,400 ft) above sea level [8] it is predominantly of semi-arid climate (Bhs and Bhk).
The Piedras River is a coastal river in southwestern Spain, whose course is located entirely in the province of Huelva.It rises in the municipality of El Almendro, although most of the streams that give rise to it and that come from the Sierra del Almendro, are born in the municipality of Villanueva de los Castillejos.
Microsoft Academic gained prominence because it profiled authors, organizations, keywords, and journals [4] and made the dataset available as open data, in contrast to Google Scholar. The search engine indexed over 260 million publications, [ 5 ] 88 million of which are journal articles.
Latindex: a dos años de su concepción. En: Cetto, A.M. y O. Alonso (Comps.) Revistas Científicas en América Latina/Scientific Journals in Latin America, 1999, México: FCE, ICSU, UNAM Y CONACYT, p. 245-257; Alonso Gamboa, José Octavio. Hacia el establecimiento del Índice Latinoamericano de Publicaciones Científicas-Latindex.