The study of the intellectual structure of scientific disciplines
has been receiving increased attention in the academic community
since early eighties. A pioneering bibliometric technique, author
co-citation analysis (ACA), is used to discover how scientists in a
particular subject field are intellectually interrelated as perceived
by authors in their scientific publications [62]. The basis for the
visualization of knowledge structures is formed by the interrelationships
between these elements. Visualizing the knowledge
structure is the art of making maps and shares some intrinsic
semantic characteristics with cartography [10,11]. Visualization
mapping is used to explore large amounts of data and to derive
new insights by identifying trends, or clusters, in the data associated
with a field of study. The map created through citation
analysis provides a series of historical data, which cover the literature
year by year [20,55].
The study of the intellectual structure of scientific disciplines
has been receiving increased attention in the academic community
since early eighties. A pioneering bibliometric technique, author
co-citation analysis (ACA), is used to discover how scientists in a
particular subject field are intellectually interrelated as perceived
by authors in their scientific publications [62]. The basis for the
visualization of knowledge structures is formed by the interrelationships
between these elements. Visualizing the knowledge
structure is the art of making maps and shares some intrinsic
semantic characteristics with cartography [10,11]. Visualization
mapping is used to explore large amounts of data and to derive
new insights by identifying trends, or clusters, in the data associated
with a field of study. The map created through citation
analysis provides a series of historical data, which cover the literature
year by year [20,55].
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