This map shows the geographic impact of Taka Morikawa'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 Taka Morikawa with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Taka Morikawa more than expected).
This network shows the impact of papers produced by Taka Morikawa. 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 Taka Morikawa. The network helps show where Taka Morikawa may publish in the future.
Co-authorship network of co-authors of Taka Morikawa
This figure shows the co-authorship network connecting the top 25 collaborators of Taka Morikawa.
A scholar is included among the top collaborators of Taka Morikawa 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 Taka Morikawa. Taka Morikawa is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Miwa, Tomio, et al.. (2008). Preliminary analysis on link travel time for probe-based estimation method by microscopic simulation. 6(1).3 indexed citations
5.
Liu, Kai, Toshiyuki Yamamoto, & Taka Morikawa. (2008). Study on the Cost-Effectiveness of a Probe Vehicle System at Lower Polling Frequencies. 6(1).7 indexed citations
Yamamoto, Toshiyuki, et al.. (2007). COST-EFFECTIVENESS IN PROBE VEHICLE SYSTEMS. Journal of the Eastern Asia Society for transportation studies. 7. 116–127.2 indexed citations
8.
Wang, Lixiao, Tomio Miwa, Taka Morikawa, & Toshiyuki Yamamoto. (2006). An analysis of effects of rainfall on travel speed at signalized surface road network based on probe vehicle data. 615–624.7 indexed citations
9.
Liu, Kai, Toshiyuki Yamamoto, & Taka Morikawa. (2006). An Analysis of the Cost Efficiency of Probe Vehicle Data at Different Transmission Frequencies. 4(1).15 indexed citations
10.
Liu, Kai, Toshiyuki Yamamoto, & Taka Morikawa. (2006). Estimating delay time at signalized intersections by probe vehicles. 644–655.5 indexed citations
Miwa, Tomio, et al.. (2004). Route Identification and Travel Time Prediction Using Probe-Car Data. Medical Entomology and Zoology. 2(1). 21–28.36 indexed citations
15.
Yamamoto, Toshiyuki, et al.. (2002). COMPARISON OF NON-COMPENSATORY MODELS OF DRIVER'S CHOICE ON DYNAMIC PARK AND RIDE.4 indexed citations
16.
Ben‐Akiva, Moshe, James T. Walker, Adriana Bernardino, et al.. (2002). INTEGRATION OF CHOICE AND LATENT VARIABLE MODELS. IN: IN PERPETUAL MOTION: TRAVEL BEHAVIOR RESEARCH OPPORTUNITIES AND APPLICATION CHALLENGES.23 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.