نتایج جستجو برای: bibliometric study

تعداد نتایج: 3973057  

2011
Francisco Muñoz-Leiva María Isabel Viedma-del-Jesús Juan Sánchez-Fernández Antonio Gabriel López-Herrera

This article presents an application of a bibliometric and visual study of the research carried out on a social science subfield, concretely the consumer behaviour research (CBR), from a longitudinal perspective (period 1966–2008). The study combines performance analysis and science mapping for detecting and visualizing conceptual subdomains. Quantitative and qualitativemeasures are used in ord...

2017
Ferdinand Dhombres Olivier Bodenreider

The objective is to automatically identify trends in Fetal Medicine over the past 10 years through a bibliometric analysis of articles published in Prenatal Diagnosis, using text mining techniques. We processed 2,423 full-text articles published in Prenatal Diagnosis between 2006 and 2015. We extracted salient terms, calculated their frequencies over time, and established evolution profiles for...

2017
Victor A Sanchez-Azanza Raúl López-Penadés Lucía Buil-Legaz Eva Aguilar-Mediavilla Daniel Adrover-Roig

This study uses several bibliometric indices to explore the temporal course of publication trends regarding the bilingual advantage in executive control over a ten-year window. These indices include the number of published papers, numbers of citations, and the journal impact factor. According to the information available in their abstracts, studies were classified into one of four categories: s...

2015
Ana Lúcia Figueiredo Isabela Fontana

The objective of this research is to carry out an analysis of the evolution of scientific research on the concept of “platform”. The study employed a bibliometric method for the quantitative analysis, followed by a qualitative analysis of the contents of selected articles and books identified of greater relevance.

Journal: :JASIST 2007
Howard D. White

In Sperber and Wilson's relevance theory (RT), the ratio Cognitive Effects/Processing Effort defines the relevance of a communication. The tf*idf formula from information retrieval is used to operationalize this ratio for any item co-occurring with a user-supplied seed term in bibliometric distributions. The tf weight of the item predicts its effect on the user in the context of the seed term, ...

Ali Rashidi, Mohammad Delirrad, Sonia Karimi,

Background: Web of Science (WoS) is an online academic citation index provided by Thomson Reuters which supplies valuable bibliometric information for comparing impact of specific author, organization, or country in science production. The aim of this study was to compare toxicology publications of Iran and Turkey indexed in WoS from bibliometric point of view. Methods: The WoS database was ...

Journal: :J. Informetrics 2010
Ludo Waltman Nees Jan van Eck Ed C. M. Noyons

In the analysis of bibliometric networks, researchers often use mapping and clustering techniques in a combined fashion. Typically, however, mapping and clustering techniques that are used together rely on very different ideas and assumptions. We propose a unified approach to mapping and clustering of bibliometric networks. We show that the VOS mapping technique and a weighted and parameterized...

Journal: :International Journal of Modern Trends in Social Sciences 2019

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