Hiroki Sayama

2022

Analysis and Visualization of High-Dimensional Dynamical Systems' Phase Space Using a Network-Based Approach

St Luce, S. & Sayama, H., 2022, In: Complexity. 2022, 3937475.

研究成果: Article › 査読

Open Access

1 被引用数 (Scopus)

A two-phase model of collective memory decay with a dynamical switching point

Igarashi, N., Okada, Y., Sayama, H. & Sano, Y., 2022 12月, In: Scientific reports. 12, 1, 21484.

研究成果: Article › 査読

Open Access

Group Size and Group Performance in Small Collaborative Team Settings: An Agent-Based Simulation Model of Collaborative Decision-Making Dynamics

Cao, S., MacLaren, N. G., Cao, Y., Marshall, J., Dong, Y., Yammarino, F. J., Dionne, S. D., Mumford, M. D., Connelly, S., Martin, R. W., Standish, C. J., Newbold, T. R., England, S., Sayama, H. & Ruark, G. A., 2022, In: Complexity. 2022, 8265296.

研究成果: Article › 査読

Open Access

Machine Learning Identifies Digital Phenotyping Measures Most Relevant to Negative Symptoms in Psychotic Disorders: Implications for Clinical Trials

Narkhede, S. M., Luther, L., Raugh, I. M., Knippenberg, A. R., Esfahlani, F. Z., Sayama, H., Cohen, A. S., Kirkpatrick, B. & Strauss, G. P., 2022 3月 1, In: Schizophrenia bulletin. 48, 2, p. 425-436 12 p.

研究成果: Article › 査読

6 被引用数 (Scopus)

Multilayer networks with higher-order interaction reveal the impact of collective behavior on epidemic dynamics

Wan, J., Ichinose, G., Small, M., Sayama, H., Moreno, Y. & Cheng, C., 2022 11月, In: Chaos, solitons and fractals. 164, 112735.

研究成果: Article › 査読

Open Access

Visualizing Collective Idea Generation and Innovation Processes in Social Networks

Cao, Y., Dong, Y., Kim, M., MacLaren, N. G., Pandey, S., Dionne, S. D., Yammarino, F. J. & Sayama, H., 2022, (Accepted/In press) In: IEEE Transactions on Computational Social Systems. p. 1-10 10 p.

研究成果: Article › 査読

1 被引用数 (Scopus)

2021

A comprehensive review of Rasch measurement in language assessment: Recommendations and guidelines for research

Aryadoust, V., Ng, L. Y. & Sayama, H., 2021 1月, In: Language Testing. 38, 1, p. 6-40 35 p.

研究成果: Article › 査読

29 被引用数 (Scopus)

Life worth mentioning: Complexity in life-like cellular automata

Peña, E. & Sayama, H., 2021 11月 2, In: Artificial Life. 27, 2, p. 105-112 8 p.

研究成果: Article › 査読

Open Access

1 被引用数 (Scopus)

Network-based phase space analysis of the el farol bar problem

St. Luce, S. & Sayama, H., 2021 11月 2, In: Artificial Life. 27, 2, p. 113-130 18 p.

研究成果: Article › 査読

2 被引用数 (Scopus)

Utterance Clustering Using Stereo Audio Channels

Dong, Y., MacLaren, N. G., Cao, Y., Yammarino, F. J., Dionne, S. D., Mumford, M. D., Connelly, S., Sayama, H. & Ruark, G. A., 2021, In: Computational Intelligence and Neuroscience. 2021, 6151651.

研究成果: Article › 査読

Open Access

2020

An Agent-Based Model of Leader Emergence and Leadership Perception within a Collective

Cao, S., MacLaren, N. G., Cao, Y., Dong, Y., Sayama, H., Yammarino, F. J., Dionne, S. D., Mumford, M. D., Connelly, S., Martin, R., Standish, C. J., Newbold, T. R., England, S. & Ruark, G. A., 2020, In: Complexity. 2020, 6857891.

研究成果: Article › 査読

Open Access

4 被引用数 (Scopus)

A polynomial-time deterministic approach to the travelling salesperson problem

Jazayeri, A. & Sayama, H., 2020 7月 3, In: International Journal of Parallel, Emergent and Distributed Systems. 35, 4, p. 454-460 7 p.

研究成果: Article › 査読

Detecting Dynamic States of Temporal Networks Using Connection Series Tensors

Cao, S. & Sayama, H., 2020, In: Complexity. 2020, 9649310.

研究成果: Article › 査読

Open Access

3 被引用数 (Scopus)

Enhanced ability of information gathering may intensify disagreement among groups

Sayama, H., 2020 7月, In: Physical Review E. 102, 1, 012303.

研究成果: Article › 査読

Open Access

Mathematically modeling anhedonia in schizophrenia: A stochastic dynamical systems approach

Strauss, G. P., Esfahlani, F. Z., Granholm, E., Holden, J., Visser, K. F., Bartolomeo, L. A. & Sayama, H., 2020 9月 1, In: Schizophrenia bulletin. 46, 5, p. 1191-1201 11 p.

研究成果: Article › 査読

11 被引用数 (Scopus)

Network analysis indicates that avolition is the most central domain for the successful treatment of negative symptoms: Evidence from the roluperidone randomized clinical trial

Strauss, G. P., Esfahlani, F. Z., Sayama, H., Kirkpatrick, B., Opler, M. G., Saoud, J. B., Davidson, M. & Luthringer, R., 2020 7月 1, In: Schizophrenia bulletin. 46, 4, p. 964-970 7 p.

研究成果: Article › 査読

Open Access

25 被引用数 (Scopus)

Self-organization and artificial life

Gershenson, C., Trianni, V., Werfel, J. & Sayama, H., 2020, In: Artificial Life. 26, 3, p. 391-408 18 p.

研究成果: Article › 査読

Open Access

14 被引用数 (Scopus)

Simulating Systems Thinking under Bounded Rationality

Sellers, M. W., Sayama, H. & Pape, A. D., 2020, In: Complexity. 2020, 3469263.

研究成果: Article › 査読

Open Access

2 被引用数 (Scopus)

Testing the babble hypothesis: Speaking time predicts leader emergence in small groups

MacLaren, N. G., Yammarino, F. J., Dionne, S. D., Sayama, H., Mumford, M. D., Connelly, S., Martin, R. W., Mulhearn, T. J., Todd, E. M., Kulkarni, A., Cao, Y. & Ruark, G. A., 2020 10月, In: Leadership Quarterly. 31, 5, 101409.

研究成果: Article › 査読

28 被引用数 (Scopus)

The role of criticality of gene regulatory networks in morphogenesis

Kim, H. & Sayama, H., 2020 9月, In: IEEE Transactions on Cognitive and Developmental Systems. 12, 3, p. 390-400 11 p., 8491333.

研究成果: Article › 査読

Open Access

2 被引用数 (Scopus)

2019

Cardinality leap for open-ended evolution: Theoretical consideration and demonstration by hash chemistry

Sayama, H., 2019, In: Artificial Life. 25, 2, p. 104-116 13 p.

研究成果: Article › 査読

3 被引用数 (Scopus)

Diversity and Social Network Structure in Collective Decision Making: Evolutionary Perspectives with Agent-Based Simulations

Dionne, S. D., Sayama, H. & Yammarino, F. J., 2019, In: Complexity. 2019, 7591072.

研究成果: Article › 査読

Open Access

3 被引用数 (Scopus)

Efficient sentinel surveillance strategies for preventing epidemics on networks

Colman, E., Holme, P., Sayama, H. & Gershenson, C., 2019, In: PLoS Computational Biology. 15, 11, e1007517.

研究成果: Article › 査読

Open Access

9 被引用数 (Scopus)

Evolved open-endedness, not open-ended evolution

Pattee, H. H. & Sayama, H., 2019, In: Artificial Life. 25, 1, p. 4-8 5 p.

研究成果: Article › 査読

5 被引用数 (Scopus)

Mathematically Modeling Emotion Regulation Abnormalities During Psychotic Experiences in Schizophrenia

Strauss, G. P., Zamani Esfahlani, F., Visser, K. F., Dickinson, E. K., Gruber, J. & Sayama, H., 2019 3月 1, In: Clinical Psychological Science. 7, 2, p. 216-233 18 p.

研究成果: Article › 査読

18 被引用数 (Scopus)

Network analysis reveals the latent structure of negative symptoms in schizophrenia

Strauss, G. P., Esfahlani, F. Z., Galderisi, S., Mucci, A., Rossi, A., Bucci, P., Rocca, P., Maj, M., Kirkpatrick, B., Ruiz, I. & Sayama, H., 2019 9月 11, In: Schizophrenia bulletin. 45, 5, p. 1033-1041 9 p.

研究成果: Article › 査読

Open Access

65 被引用数 (Scopus)

Network Analysis Reveals Which Negative Symptom Domains Are Most Central in Schizophrenia vs Bipolar Disorder

Strauss, G. P., Esfahlani, F. Z., Kirkpatrick, B., Allen, D. N., Gold, J. M., Visser, K. F. & Sayama, H., 2019 10月 24, In: Schizophrenia bulletin. 45, 6, p. 1319-1330 12 p.

研究成果: Article › 査読

Open Access

26 被引用数 (Scopus)

2018

An ecological momentary assessment evaluation of emotion regulation abnormalities in schizophrenia

Visser, K. F., Esfahlani, F. Z., Sayama, H. & Strauss, G. P., 2018 10月 1, In: Psychological Medicine. 48, 14, p. 2337-2345 9 p.

研究成果: Article › 査読

39 被引用数 (Scopus)

A network-based classification framework for predicting treatment response of schizophrenia patients

Zamani Esfahlani, F., Visser, K., Strauss, G. P. & Sayama, H., 2018 11月 1, In: Expert Systems with Applications. 109, p. 152-161 10 p.

研究成果: Article › 査読

15 被引用数 (Scopus)

An Interview-Based Study of Pioneering Experiences in Teaching and Learning Complex Systems in Higher Education

Lizier, J. T., Harré, M. S., Mitchell, M., DeDeo, S., Finn, C., Lindgren, K., Lizier, A. L. & Sayama, H., 2018, In: Complexity. 2018, 7306871.

研究成果: Article › 査読

Open Access

4 被引用数 (Scopus)

Decision making in crisis: A multilevel model of the interplay between cognitions and emotions

Dionne, S. D., Gooty, J., Yammarino, F. J. & Sayama, H., 2018 5月 1, In: Organizational Psychology Review. 8, 2-3, p. 95-124 30 p.

研究成果: Article › 査読

16 被引用数 (Scopus)

Graph product multilayer networks: Spectral properties and applications

Sayama, H., 2018 7月 1, In: Journal of Complex Networks. 6, 3, p. 430-447 18 p.

研究成果: Article › 査読

3 被引用数 (Scopus)

How Criticality of Gene Regulatory Networks Affects the Resulting Morphogenesis under Genetic Perturbations

Kim, H. & Sayama, H., 2018 5月 1, In: Artificial Life. 24, 2, p. 85-105 21 p.

研究成果: Article › 査読

6 被引用数 (Scopus)

How mutation alters the evolutionary dynamics of cooperation on networks

Ichinose, G., Satotani, Y. & Sayama, H., 2018 5月, In: New Journal of Physics. 20, 5, 053049.

研究成果: Article › 査読

Open Access

14 被引用数 (Scopus)

2017

Invasion of Cooperation in Scale-Free Networks: Accumulated versus Average Payoffs

Ichinose, G. & Sayama, H., 2017 2月 1, In: Artificial Life. 23, 1, p. 25-33 9 p.

研究成果: Article › 査読

22 被引用数 (Scopus)

Predicting stock market movements using network science: an information theoretic approach

Kim, M. & Sayama, H., 2017 12月 1, In: Applied Network Science. 2, 1, 35.

研究成果: Article › 査読

Open Access

18 被引用数 (Scopus)

Sensitivity of the positive and negative syndrome scale (PANSS) in detecting treatment effects via network analysis

Zamani Esfahlani, F., Sayama, H., Visser, K. F. & Strauss, G. P., 2017 11月 1, In: Innovations in Clinical Neuroscience. 14, 11-12, p. 59-67 9 p.

研究成果: Article › 査読

21 被引用数 (Scopus)

2016

Brain response pattern identification of fMRI data using a particle swarm optimization-based approach

Ma, X., Chou, C. A., Sayama, H. & Chaovalitwongse, W. A., 2016 9月 1, In: Brain Informatics. 3, 3, p. 181-192 12 p.

研究成果: Article › 査読

Open Access

13 被引用数 (Scopus)

Collective decision making, leadership, and collective intelligence: Tests with agent-based simulations and a Field study

McHugh, K. A., Yammarino, F. J., Dionne, S. D., Serban, A., Sayama, H. & Chatterjee, S., 2016 4月 1, In: Leadership Quarterly. 27, 2, p. 218-241 24 p.

研究成果: Article › 査読

45 被引用数 (Scopus)

Estimation of Laplacian spectra of direct and strong product graphs

Sayama, H., 2016, In: Discrete Applied Mathematics. 205, p. 160-170 11 p.

研究成果: Article › 査読

14 被引用数 (Scopus)

Hierarchical heterogeneous particle swarm optimization: algorithms and evaluations

Ma, X. & Sayama, H., 2016 9月 2, In: International Journal of Parallel, Emergent and Distributed Systems. 31, 5, p. 504-516 13 p.

研究成果: Article › 査読

3 被引用数 (Scopus)

Visualizing the “heartbeat” of a city with tweets

França, U., Sayama, H., Mcswiggen, C., Daneshvar, R. & Bar-Yam, Y., 2016 7月 1, In: Complexity. 21, 6, p. 280-287 8 p.

研究成果: Article › 査読

21 被引用数 (Scopus)

What are essential concepts about networks?

Sayama, H., Cramer, C., Porter, M. A., Sheetz, L. & Uzzo, S., 2016 9月 1, In: Journal of Complex Networks. 4, 3, p. 457-474 18 p.

研究成果: Article › 査読

7 被引用数 (Scopus)

2015

Complexity measures and concept learning

Pape, A. D., Kurtz, K. J. & Sayama, H., 2015 2月 1, In: Journal of Mathematical Psychology. 64-65, p. 66-75 10 p.

研究成果: Article › 査読

4 被引用数 (Scopus)

Developmental changes in spontaneous electrocortical activity and network organization from early to late childhood

Miskovic, V., Ma, X., Chou, C. A., Fan, M., Owens, M., Sayama, H. & Gibb, B. E., 2015 9月 1, In: NeuroImage. 118, p. 237-247 11 p.

研究成果: Article › 査読

84 被引用数 (Scopus)

Mental disorder recovery correlated with centralities and interactions on an online social network

Ma, X. & Sayama, H., 2015, In: PeerJ. 2015, 8, 1163.

研究成果: Article › 査読

Open Access

7 被引用数 (Scopus)

NetSci high: Bringing network science research to high schools

Cramer, C., Sheetz, L., Sayama, H., Trunfio, P., Eugene Stanley, H. & Uzzo, S., 2015, In: Studies in Computational Intelligence. 597, p. 209-218 10 p.

研究成果: Article › 査読