NETWORK AND TOPICAL ANALYSIS FOR THE HUMANITIES USING NWB AND SCI2 Scott Weingart
Bibliometric Analysis with Sci2: Choose Your Own Adventure Laura Ridenour School of Library and...
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Transcript of Bibliometric Analysis with Sci2: Choose Your Own Adventure Laura Ridenour School of Library and...
![Page 1: Bibliometric Analysis with Sci2: Choose Your Own Adventure Laura Ridenour School of Library and Information Science, Indiana University.](https://reader036.fdocuments.in/reader036/viewer/2022062407/56649e2a5503460f94b17e78/html5/thumbnails/1.jpg)
Bibliometric Analysis with Sci2:Choose Your Own Adventure
Laura RidenourSchool of Library and Information
Science, Indiana University
![Page 2: Bibliometric Analysis with Sci2: Choose Your Own Adventure Laura Ridenour School of Library and Information Science, Indiana University.](https://reader036.fdocuments.in/reader036/viewer/2022062407/56649e2a5503460f94b17e78/html5/thumbnails/2.jpg)
Overview
• Paper citation network using Sci2• Gathering data• Examining and understanding file format• Adjusting program parameters for speed• Using the Network Analysis Toolkit• Visualizing a network• Exporting data for use in other programs
![Page 3: Bibliometric Analysis with Sci2: Choose Your Own Adventure Laura Ridenour School of Library and Information Science, Indiana University.](https://reader036.fdocuments.in/reader036/viewer/2022062407/56649e2a5503460f94b17e78/html5/thumbnails/3.jpg)
Gathering Data
• ISI file format– Text file with special formatting– Downloadable from Web of Science
• 500 records at a time from WoS
– Other sources include the Scholarly Database (http://sdb.cns.iu.edu/search/), but data from this source works slightly differently than shown in this tutorial
• Can also use any data with nodes and edges, as long as it’s a clean data set
![Page 4: Bibliometric Analysis with Sci2: Choose Your Own Adventure Laura Ridenour School of Library and Information Science, Indiana University.](https://reader036.fdocuments.in/reader036/viewer/2022062407/56649e2a5503460f94b17e78/html5/thumbnails/4.jpg)
Required tools
• Sci2 - https://sci2.cns.iu.edu/user/welcome.php– Must create an account in order to download
• A text editor
• Helpful:– Oxygen, Gephi
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Allocating Additional Memory
• In the Sci2 directory, open the .ini file for Sci2 and change the settings to the following:– -vmargs– -Xms30m– -Xmx1028m
• Save and close the file, re-open Sci2• Note: you may need to adjust the memory
parameters slightly depending on system capabilities and settings
![Page 6: Bibliometric Analysis with Sci2: Choose Your Own Adventure Laura Ridenour School of Library and Information Science, Indiana University.](https://reader036.fdocuments.in/reader036/viewer/2022062407/56649e2a5503460f94b17e78/html5/thumbnails/6.jpg)
http://www.libraries.iub.edu
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Web of Knowledge
![Page 8: Bibliometric Analysis with Sci2: Choose Your Own Adventure Laura Ridenour School of Library and Information Science, Indiana University.](https://reader036.fdocuments.in/reader036/viewer/2022062407/56649e2a5503460f94b17e78/html5/thumbnails/8.jpg)
Download Settings
![Page 9: Bibliometric Analysis with Sci2: Choose Your Own Adventure Laura Ridenour School of Library and Information Science, Indiana University.](https://reader036.fdocuments.in/reader036/viewer/2022062407/56649e2a5503460f94b17e78/html5/thumbnails/9.jpg)
What an ISI File Looks Like
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Using Multiple ISI Files
• Strip out all headers but the beginning and end tag – can do this manually, or with a script
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Sci2
• File > Load > (select your file and click ‘Open’) > choose ‘ISI flat format’ > click ‘Select’
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In the Data Manager• Right-click the loaded file, select “view” to check and/or modify the file• If you modify the file, be sure to save the file to a permanent location and
reload it into the data manager
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Extracting the Network
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Data Manager
![Page 15: Bibliometric Analysis with Sci2: Choose Your Own Adventure Laura Ridenour School of Library and Information Science, Indiana University.](https://reader036.fdocuments.in/reader036/viewer/2022062407/56649e2a5503460f94b17e78/html5/thumbnails/15.jpg)
Using the Network Analysis Toolkit (NAT)
• Choose “Network Analysis Toolkit”
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NAT Analysis is Displayed in the Console
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Examining the Output
• Checking the NAT results can save time. If the network is particularly densely connected, using a faster system may save time
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Visualization
• Select the extracted network to visualize from the Data Manager
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Visualization (cont’d)
• Visualization > Networks > GUESS
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Visualization (GUESS)
![Page 21: Bibliometric Analysis with Sci2: Choose Your Own Adventure Laura Ridenour School of Library and Information Science, Indiana University.](https://reader036.fdocuments.in/reader036/viewer/2022062407/56649e2a5503460f94b17e78/html5/thumbnails/21.jpg)
Choosing a layout (GUESS)
• Layout > GEM (or whichever layout you would like to use)
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Initial GEM Layout (GUESS)
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Graph Modifier Dashboard in GUESS
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Play!!
• Take some time to play with different properties in the network. Feel free to use the interpreter, it uses jython (examples on next slide, from CNS wiki)
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Jython Examples
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Exporting Data
• From the Data Manager, right click the appropriate graph file and select “Save”
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Exporting Data (cont’d)
• Choose GraphML for importing a graph into Gephi– After saving, change the file extension from .XML
to .graphml to make the file usable by Gephi• Choose .net for Pajek
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Additional Resources
• http://wiki.cns.iu.edu/• http://gephi.org/