This map shows the geographic impact of Kalevi Kull's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Kalevi Kull with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Kalevi Kull more than expected).
This network shows the impact of papers produced by Kalevi Kull. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Kalevi Kull. The network helps show where Kalevi Kull may publish in the future.
Co-authorship network of co-authors of Kalevi Kull
This figure shows the co-authorship network connecting the top 25 collaborators of Kalevi Kull.
A scholar is included among the top collaborators of Kalevi Kull based on the total number of
citations received by their joint publications. Widths of edges
represent the number of papers authors have co-authored together.
Node borders
signify the number of papers an author published with Kalevi Kull. Kalevi Kull is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
All Works
20 of 20 papers shown
1.
Kull, Kalevi, et al.. (2024). Semiotics now. Sign Systems Studies. 52(3-4). 543–593.
Kull, Kalevi. (2000). Organisms can be proud to have been their own designers.. Cybernetics & human knowing. 7. 45–55.17 indexed citations
16.
Kull, Kalevi. (1998). Semiotic ecology: different natures in the semiosphere. Sign Systems Studies. 26(1). 344–371.70 indexed citations
17.
Torop, Peėter, et al.. (1998). Sign systems studies. 26.1 indexed citations
18.
Kull, Kalevi. (1998). On semiosis, Umwelt, and semiosphere. Semiotica. 120. 299–310.74 indexed citations
19.
Kull, Kalevi & Toomas Tiivel. (1988). Lectures in theoretical biology.19 indexed citations
20.
Kull, Kalevi, et al.. (1985). Theoretical biology in Estonia.2 indexed citations
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive
bibliographic database. While OpenAlex provides broad and valuable coverage of the global
research landscape, it—like all bibliographic datasets—has inherent limitations. These include
incomplete records, variations in author disambiguation, differences in journal indexing, and
delays in data updates. As a result, some metrics and network relationships displayed in
Rankless may not fully capture the entirety of a scholar's output or impact.