Yukiko Koyama
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In The Last Decade
Co-authorship network of co-authors of Yukiko Koyama i
Fields of papers citing papers by Yukiko Koyama
Since SpecializationThis network shows the impact of papers produced by Yukiko Koyama. 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 Yukiko Koyama. The network helps show where Yukiko Koyama may publish in the future.
Countries citing papers authored by Yukiko Koyama
Since SpecializationThis map shows the geographic impact of Yukiko Koyama'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 Yukiko Koyama with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Yukiko Koyama more than expected).
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.