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  • 4.2 Data Acquisition and Preparation

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Elsevier's Scopus, like ISI Web of Science, has an extensive catalog of citations and abstracts from journals and conferences. Subscribers to Scopus can access the service via http://www.scopus.com. Scopus provides a multiple methods to search and analyze citations and abstracts: by document, authors, institutional affiliations, and advanced Boolean search.

To find all articles whose abstract, title, or keywords include the terms 'Watts Strogatz Clustering Coefficient', simply enter those terms in the Article/Abstract/Keywords field. ThirtyForty-nine results were found as of February 3April 29, 20142016. You can download the references (up to 2,000 full records, and 20,000 "Citations Only" in a CSV file) by checking the 'Select All' box and clicking on the down arrow next to 'RIS Export' and choosing the file type you wish to export the references as. Image RemovedYou can export in RIS Format (this is for EndNote, or other Reference Managers), CSV as mentioned earlier, BibTeX, or as a .txt file. Once you have chosen the desired format, click on the 'Export' button on the bottom right of the drop down menu.

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Figure 4.2i: Scopus search interface and Scopus search results

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Google Scholar data can be acquired using Publish or Perish (Harzing, 2008) that can be freely downloaded from http://www.harzing.com/pop.htm. A query for papers by Albert-László Barabási run on Sept. 21, 2008 April 29, 2016 results in 111 280 papers that have been cited 1492,343 213 times, see Figure 4.2k.

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Figure 4.2k: Publish or Perish search results for Albert-László Barabási and viewing barabasiPoP.csv

To save records, select 'File > Save' from menu and then choose the appropriate file format (.csv, *.enl, or *.bib) in the 'Choose File' pop-up window. All three file formats can be read by the Sci2 Tool. The result in all three formats named 'barabasi.' is also available in the respective subdirectories in 'yoursci2directory /sampledata/scientometrics/' and will be used later in this tutorial.
Data from Google Scholar can be used for the following types of analyses:

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Please note that before any of the following algorithms can be run, the Google Citation User ID Search algorithm must be run to retrieve the Google Citation User IDs.

Attach citation Citation Table from Google Scholar

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