A B S T R A C T
In this paper, we investigate the performance of different types of
weighted citation networks for detecting emerging research fronts
by a comparative study. Three citation patterns including direct
citation , co-citation and bibliographic coupling, have been tested in
three research domains including gallium nitride complex networks,
and nano-carbon. These three patterns of citation networks are
constructed for each research domain,and the papers in those domains
are divided into clusters to detect the research front. Additionally,
we apply some measures to weighted citations like difference in
publication years between citing and cited papers and similarities
of keywords between them, which are expected to be able to effectively
to detect emerging research fronts. To investigate the performance of
different types of weighted citation networks for detecting emerging research
fields , we evaluate the perfor- mance of each approach by using the
following measures of extracted research fronts: visibility, speed, and
.topological and textual relevance. ß 2013 Elsevier B.V. All rights reserved
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کد محصول : شماره 216
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