Download Academic Search Engines. A Quantitative Outlook by Jose Luis Ortega PDF

By Jose Luis Ortega

Academic se's: intends to run throughout the present landscape of the tutorial se's via a quantitative process that analyses the reliability and consistence of those companies. the target is to explain the most features of those engines, to spotlight their merits and disadvantages, and to debate the consequences of those new items sooner or later of medical verbal exchange and their influence at the learn dimension and assessment. briefly, educational se's provides a precis view of the hot demanding situations that the internet set to the clinical task in the course of the so much novel and leading edge looking providers on hand on the net.

  • This is the 1st method of research se's completely addressed to the learn neighborhood in an integrative guide. the newness, expectation and value of a lot of those prone justify their analysis.
  • This e-book isn't in simple terms an outline of the net functionalities of those companies; it's a clinical evaluate of the main impressive features of every platform, discussing their value to the scholarly communique and study evaluation.
  • This booklet introduces an unique method in response to a quantitative research of the lined information throughout the vast use of crawlers and harvesters which permit moving into intensity into how those engines are operating. Beside of this, an in depth descriptive overview in their functionalities and a severe dialogue approximately their use for medical neighborhood is displayed.

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2010). 3). This means that browsing the pages is tedious and slow. Another – perhaps more important – problem is that it is only possible to view the first 500 records in each query. This reduces its value because it is not possible to know exactly how many records are retrieved in a query, and it hinders performing exhaustive queries. 3 Screenshot of the results page of CiteSeerx (17 February 2014) results, which makes it possible to analyse them offline and assess their relevance. To a great extent, this enhances the use of CiteSeerx for bibliometric or other data analysis purposes.

However, I think that selecting important references for a study is a complex task that goes beyond text processing. It implies a deep knowledge of a discipline, its relevant sources and authors, and a complete understanding of the references. Therefore, I consider that the utility of this functionality is suitable for broadening knowledge, but rather less so when it comes to inclusion in a bibliography. , 2012). This application identifies the entities, both organizational and individual, which are mentioned in the acknowledgements.

But at the same time it allowed the appreciation of a document by its origin. Scirus’s homepage stated that it included more than 575 million scientific items, but this only corresponded to web pages. 8 per cent of all the documents indexed by the search engine. 1). 1). However, this distribution did not give a precise definition of the web sources because national domains were not specified and top-level domains only corresponded with the American web. Thus, one had to suppose that the rest of the world’s university sites were included in the ‘Other STM and academic sites’ category due to the very high number of sources in this section.

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