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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 ...
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 ...
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.
Hierve el Aqua (Spanish for "the water boils") is a set of natural travertine rock formations in San Lorenzo Albarradas, Oaxaca, Mexico that resemble cascades of water. [1] [2] The site is located about 70 km east of Oaxaca City, [3] and consists of two rock shelves or cliffs which rise between fifty and ninety metres from the valley below, from which extend nearly white rock formations which ...
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).
Santa Cruz del Quiché, Quiché: 15 Baja Verapaz Regional Campus CUNBAV San Miguel Chicaj, Baja Verapaz: 16 Totonicapán Regional Campus CUNTOTO Chuipachec, Totonicapán: 17 Sololá Regional Campus CUNSOL Sololá, Sololá: 18 Metropolitan Regional Campus CUM Guatemala City: 19 Ocean Studies Center CEMA Guatemala City: 20 Guatemala South ...
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.
AltaVista was a web search engine established in 1995. It became one of the most-used early search engines, but lost ground to Google and was purchased by Yahoo! in 2003, which retained the brand, but based all AltaVista searches on its own search engine.