Atushi Ishikawa - researchr alias

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Viewing Publication 1 - 8 from 8

2023

RoBERTa Trained from Scratch on GPS Trajectory DataShouji Fujimoto, Atushi Ishikawa, Takayuki Mizuno. webi 2023: 636-639 [doi]

2022

Copula-Based Synthetic Data Generation in Firm-Size VariablesShouji Fujimoto, Atushi Ishikawa, Takayuki Mizuno. rss, 16(2):479-492, 2022. [doi]

Interpolation of non-random missing values in financial statements' big data using CatBoostShouji Fujimoto, Takayuki Mizuno, Atushi Ishikawa. jocss, 5(2):1281-1301, November 2022. [doi]

Employee Number Dependence in Labor Productivity DistributionAtushi Ishikawa, Takayuki Mizuno, Shouji Fujimoto. rss, 16(2):465-477, 2022. [doi]

2021

Quasi-Static Variation of Power-Law and Log-Normal Distributions of Urban PopulationAtushi Ishikawa, Shouji Fujimoto, Arturo Ramos, Takayuki Mizuno. entropy, 23(7):908, 2021. [doi]

2017

Comparison between spatial distributions of tweet base and population in JapanShouji Fujimoto, Atushi Ishikawa, Takayuki Mizuno. bigdataconf 2017: 3052-3057 [doi]

2016

Nowcast of firm sales using POS data toward stock market stabilityAtushi Ishikawa, Shouji Fujimoto, Takayuki Mizuno. bigdataconf 2016: 2495-2499 [doi]

2015

The relation between firm age distributions and the decay rate of firm activities in the united states and JapanAtushi Ishikawa, Shouji Fujimoto, Takayuki Mizuno, Tsutomu Watanabe. bigdataconf 2015: 2726-2731 [doi]

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