Analysis of Literature Form


The number of research papers published in scientific journals is exponentially increased during the last years. In a recent study by Van Noorden, based on publications in Web of Science, it is demonstrated that the growth rate of publications, was 1% in the 18th century, to 2 to 3% in the period between the two world wars, and 8 to 9% up to 2010. This evolution of scientific output is equivalent to a doubling every nine years. Thus, the writing of a review paper, a research project proposal or the significant part of any research paper regarding the related literature, a researcher is called to analyze a vast amount of research papers.


Utilization of the bibliometric maps: In-depth analysis of some hundreds, thousands, or even tens of thousands of papers. Reveal the significant research topics in each subject area. Identify associations between thematic areas, authors, references, institutions etc. Handle the exponential growth rate of scientific output. Document literature review thoroughly. Avoid focusing on topics of minor interest. Detect interdisciplinary associations (i.e. risk assessment in Medicine and Engineering). Similarities between research objects: Colored Similarity Matrix of keywords. Co-occurrences of keywords. Database regarding the studied topic. Bibliometric Maps – Keywords: Each object is positioned in an (x,y) point. The objects with co-occurrences are connected through a line. The width of the line is proportional to the similarity (co-occurrence) between the objects. The distances between the objects are indicators of their dissimilarity. Each object font size is proportional to its number of occurrences. In the middle of each link presented the dis-similarities (distances). Bibliometric Maps – Authors: Bibliometric maps of co-occurrence of authors’ names in a paper. Research cooperating groups. Co-authors with the greater amount of papers in common have reduced distance (inversed relationship). Bibliometric Maps of References: major and minor clusters of papers.

Course Instructor: Dr. Nikolaos Bakas

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