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I am currently doing my master thesis about finding trends in scientific
communication. My work is affiliated with Dr. Detlef Schoders Department of
Information Systems and Information Management at the University of Cologne
(www.wim.uni-koeln.de) and supported by Dr. Kai Fischbach from Cologne and
Dr. Peter Gloor from the MIT.
We are looking for ways to obtain a large set (approximately 30 years) of
data from the Medline database, which for example is accessible through
www.ncbi.nlm.nih.gov/entrez and through many other interfaces. The data
shall be used to create two different kinds of (dynamic) networks:
1. Coauthorship networks
2. Citation networks
In these networks, we want to find trends and trendsetters by applying SNA
methods like calculating centrality values and by applying information
retrieval methods on the content (article titles and abstracts). Therfore it
is vital to get not only article titles and authors but also abstracts and
The current question is how to get the data which is neccessary to create
these two networks with emphasis on the problem of getting citation data.
Has anyone of you done similar research before and could provide us help on
how to obtain the data? Any further suggestions on how to proceed and
related work are also welcome.
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