VOSviewer Manual (Journal of Islamic Accounting and Finance Research)

Summary

• This manual describes VOSviewer version 1.6.18, a Java-based software tool for creating, visualizing, and exploring bibliometric network maps.p.4
• The manual uses a sample co-citation network map containing 232 journals in economics, management, and operations research.p.9
• In the network visualization, VOSviewer by default displays at most 1000 lines representing the strongest links between items.p.10
• Data export limits for single batches include 500 documents from Web of Science and 2000 documents from Scopus.p.30
• The free version of Dimensions enables data export for up to 2500 documents.p.30
• Lens and PubMed support single-batch data exports for up to 50,000 and 10,000 documents, respectively.p.30

Key insights

1. VOSviewer provides three map visualizations: network visualization, overlay visualization, and density visualization.p.4
2. Networks can be built around co-authorship, co-occurrence, citation, bibliographic coupling, or co-citation links.p.4
3. Clusters in VOSviewer are non-overlapping, meaning each item can belong to only one cluster.p.6
4. The software supports direct file imports from Web of Science, Scopus, Dimensions, Lens, and PubMed.p.28
5. Natural language processing algorithms in VOSviewer for term identification currently support English text only.p.36
6. Fractional counting reduces the weight of multi-authored documents by distributing link strength equally among co-authors.p.35
7. Command line parameters allow users to configure memory allocations, such as setting available RAM to 4000 MB.p.52