Academic search engines : a quantitative outlook by Jose Luis Ortega PDF

By Jose Luis Ortega

ISBN-10: 1780634722

ISBN-13: 9781780634722

ISBN-10: 1843347911

ISBN-13: 9781843347910

Academic se's: intends to run throughout the present landscape of the educational se's via a quantitative method that analyses the reliability and consistence of those prone. the target is to explain the most features of those engines, to focus on their benefits and disadvantages, and to debate the results of those new items sooner or later of clinical verbal exchange and their influence at the study dimension and assessment. in brief, educational se's provides a precis view of the recent demanding situations that the net set to the clinical task in the course of the such a lot novel and cutting edge looking out companies to be had on the net.

  • This is the 1st method of examine se's completely addressed to the examine neighborhood in an integrative guide. the newness, expectation and value of a lot of those companies justify their analysis.
  • This publication isn't really in simple terms an outline of the internet functionalities of those prone; it's a medical evaluate of the main awesome features of every platform, discussing their value to the scholarly communique and learn evaluation.
  • This e-book introduces an unique method in line with a quantitative research of the coated facts during the vast use of crawlers and harvesters which permit entering into intensity into how those engines are operating. Beside of this, a close descriptive evaluation in their functionalities and a serious dialogue approximately their use for clinical neighborhood is displayed.

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Sample text

This will be examined in detail in the Profiles section. ƒ ‘Rank’: this function displays a ranking of personal profiles according to several bibliometric indicators, some of them defined ad hoc by AMiner and obtained from the structural analysis of collaboration patterns. This ranking shows 1,253,433 profiles, organized by the following indicators: h-index, g-index, #paper, citation, diversity, sociability, new star, rising star and activity. , 2014). Only indicators created by AMiner are commented upon below: – ‘Diversity’: this is a measure of the multidisciplinarity of an author according to the ACT model defined by AMiner.

New star’: this is the opposite of the ‘Activity’ measure because the ‘New star’ index considers only the previous five years’ production, and is the indicator where younger authors, with a good activity rate, are more highly valued than older researchers. – ‘Rising star’: this indicator is not described in Wang et al. ), although they do define ‘uptrend’ as the ‘rising degree of a researcher’, and in older versions this was called the ‘Uptrend’ indicator, instead of ‘Rising star’.

Also, Scirus did not manage to correctly classify the Scientist homepage and it included pages that did not fit within that category. ƒ File formats: Scirus restricted the search to determinate file extensions such as HTML, PDF or DOC. ƒ Content sources: Scirus made it possible to select specific sources such as ‘Journals sources’ and ‘Preferred web sources’. This issue is discussed in detail above (see p. 30). ƒ Subject areas: Scirus limited the search based on different research disciplines. This part is also discussed on p.

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Academic search engines : a quantitative outlook by Jose Luis Ortega


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