## Presentation at Int. Sympo

### 2018

#### Jan.31

##### The 2nd JAIST-ISM symposium+KIST

- T. Higuchi* [O]

Role of Statistical Mathematics in the Era of Big Data and AI

#### Jun.3-5

##### NTNU-ISM Joint Workshop on Sustainability and Statistical Machine Learning

- T. Higuchi* [O]

Smart simulation and Smart experimental design

### 2017

#### Sep.18

##### MOU SIGNING CEREMONY & SEMINAR ISM^2

- T. Higuchi* [O]

Smart Simulation with Sparse Modeling and Deep Learning

#### Aug.8-10

##### Conference of the International Federation of Classification Societies (IFCS-2017)

- T. Higuchi* [I]

Smart simulation and smart experimental design

#### Jan.19-22

##### ISM-ZIB-IMI Joint Workshop on Optimization and Data-intensive High Performance Computing

- T. Higuchi* [O]

ISM's next challenge for big data and AI

### 2016

#### Oct.31-Nov.3

##### 24th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2016)

- A. Sudo*, T. Kashiyama, T. Yabe, H. Kanasugi, X. Song, T. Higuchi, S. Nakano, M. Saito and Y. Sekimoto [O]

Particle filter for real-time human mobility prediction following unprecedented disaster

### 2015

#### Nov.21-23

##### 2015 Taiwan-Japan Joint Workshop on Inverse Problems

- T. Higuchi* [I]

Data Assimilation: Challenge for Big Data through Numerical Simulation

#### Sep.17-20

##### 2015 IEEE International Workshop on Machine Learning for Signal Processing(MLSP)

- T. Goto*, Y. Hanatsuka, T. Higuchi, T. Matsui [O]

Road condition classification using a new global alignment Kernel

#### Aug.2-7

##### Asia Oceania Geosciences Society 2015 (AOGS)

- T. Higuchi* [I]

Simulation, Data Assimilation and Emulation

#### Apr.27-30

##### Department of Mathematic, Hong Kong Baptist University

- T. Higuchi* [Lecture]

Data Assimilation: Challenge for Big Data through Numerical Simulation

- T. Higuchi* [Lecture]

Big Data and Personalization Technology:Augmentation and Reduction

#### Apr.12-17

##### European Geosciences Union General Assembly 2015 (EGU)

- S. Nakano*, K.Suzuki, K. Kawamura, F. Parrenin and T. Higuchi [P]

A method for estimating the age-depth relationship of Dome Fuji Ice Core ushing a sequential Monte Carlo method

### 2014

#### Nov.18-19

##### International Conference for Mathematics, Statistics and Financial Mathematics (ICMSFM2014) with IASC-ARS Sessions

- T. Higuchi* [I]

Stream computing and emulation in a world of the edge heavy data

#### Nov.9-14

##### Big Data Research Mission to UK

- T. Higuchi* [I]

Simulation, Data assimilation, and Emulation

#### Nov.6-7

##### International Conference on Statistical Analysis of Large Scale High Dimensional Socio-Economic Data

- T. Higuchi* [I]

Big data and personalization technology: Imputation, Linkage, and Stream computing

#### Jul.28-Aug.1

##### AOGS 2014

- S. Nakano*, M-C. Fok, P. Brandt, T. Higuchi [P]

Temporal evolution of helium lon density distribution estimated by assimilation of IMAGE/EUV data into a plasmasphere model - S. Saita*, S. Fujita, A. Kadokura, T. Tanaka, A.S. Yukimatu, Y. Tanaka, S. Ohtani, K. T. Murata, T. Hiugchi [P]

Evaluation of the Reliability and Validity of Magnetosphere-ionosphere Coupling Process in the Global Mhd Simulation Based on the Ionospheric Plasma Drift Obtained from SuperDARN Measurements

#### Jun.27-28

##### The 23nd South Taiwan Statistics Conference and 2014 Chinese Institute of Probability and Statistics Annual Meeting

- S. Saita*, S. Fujita, A. Kadokura, T. Tanaka, A. S. Yukimatu, Y. Tanaka, S. Ohtani, T. Murata and T. Higuchi [ I ]

Evaluation of the reliability and validity of Magnetosphere-Ionosphere coupling process in the global MHD Simulation for the Earth's Magnetosphere

#### Feb.6-7, 2014

##### UK-Japan Big Data Research Workshop & Seminar

- T. Higuchi* [I]

Sequential Data assimilation and stream computing for big data

### 2013

#### Aug.22-23, 2013

##### Joint Meeting of the IASC Satellite Conference for the 59th ISI WSC and the 8th Conference of the Asian Regional Section of the IASC

- H. Nagao*, K. Sato, T. Higuchi [ I ]

Time-series modeling to infer properties of fractures/faults within the Earth's crust - M. Saito*, T. Higuchi [ I ]

Significance of inter-regional contacts in influenza epidemic

#### Jul.9-12, 2013

##### 16th International Conference on Information FUSION

- H. Nagao* and T. Higuchi [O]

Data assimilation system for seismoacoustic waves - M. M. Satio*, S. Imoto, R. Yamaguchi, S. Miyano, T. Higuchi [O]

Estimation of abrupt changes in sentinel observation data of influenza epidemics in Japan

#### Apr.7-12, 2013

##### EGU 2013

- K. Suzuki*, K. Kawamura, S. Nakano, H. Nagao, A. A-Ouchi, F. Saito, H. Tomoyuki and F. Parrenin [O]

A new dating method for Dome Fuji ice core using data assimilation

### 2012

#### Dec.7-9, 2012

##### 2012 IET International Conference on Information Science and Control Engineering (ICISCE)

- Y. Hanatsuka*, T. Higuchi, T. Matsui [O]

Development of the roadsurface condition classification system

#### Dec.3-7, 2012

##### AGU Fall Meeting 2012

- H. Nagao*, T. Higuchi, S. Miura, and D. Inazu [P]

Time-Series Modeling of Tide Gauge Records for Monitoring of the Crustal Activities Related to Oceanic Trench Earthquakes around Japan

#### Dec.3-5, 2012

##### ISLiM: 4th Biosupercomputing Symposium

- T. Higuchi* [O]

Towards efficient improvement of transcriptional circuit models by Life Science Data Assimilation System (LiSDAS)

#### Nov.6-9, 2012

##### 2012 International Conference on Modeling, Analysis and Simulation (ICMAS)

- T. Higuchi* [ I ]

Prediction, Design, and Data assimilation

#### Sep.19-21, 2012

##### The Ninth International Conference on Flow Dynamics (ICFD2012)

- T. Higuchi* [K]

Data Assimilation: Challenge for Big Data through Numerical Simulation

#### Jul. 13-25, 2012

##### XXXII SCAR

- K. Suzuki*, H. Motoyama, T. Yamanouchi, K. Kawamura, T. Higuchi [O]

Spatial and temporal variability of snow accumulation rate and air transports at East Antarctic ice sheet in 1993-2010

#### Jul. 9-12, 2012

##### 15th International Conference on Information Fusion

- M. Saito*, S. Imoto, R. Yamaguchi, S. Miyano, T. Higuchi [O]

Identifiability of local transmissibility parameters in agent-based pandemic simulation - H. Nagao* and T. Higuchi [O]

Data assimilation of the earth's atmospheric and ionospheric oscillations excited by large earthquakes - S. Nakano* and T. Higuchi [O]

Weight adjustment of the particle filter on distributed computing systems

#### Jun. 25-29, 2012

##### ISBA 2012 World Meeting

- T. Higuchi* [K]

Data assimilation and sequential Bayes filters: information fusion with numerical simulation

#### Apr. 22-27, 2012

##### European Geosciences Union General Assembly 2012（EGU）

- S. Nakano* and T. Higuchi [P]

Estimation of the long-term component of the variation in geomagnetic data - S. Nakano* and T. Higuchi [P]

Applicability of the particle filter for high-dimensional problems using a massively parallel computer - H. Nagao* and T. Higuchi [O]

Fault parameter estimation from coseismic infrasound variation excited by a large earthquake - H. Nagao*, N. Kobayashi, Y. Fukao, I. Tomizawa and T. Higuchi [P]

Modeling of atmospheric and ionospheric disturbances excited by a large earthquake - In the case of the 2008 Iwate-Miyagi Nairiku earthquake -

#### Mar. 19-22, 2012

##### Inner Magnetosphere Coupling II (IMC II)

- S. Nakano*, G. Ueno, Y. Ebihara, M.-C. Fok, S. Ohtani, P. C. Brandt, and T. Higuchi [ I ]

Estimation of the ring current structure with data assimilation based on the particle filter - S. Nakano*, M.-C. Fok, P. C. Brandt, and T. Higuchi [P]

Data assimilation of IMAGE/EUV data for estimating the plasmaspheric structure

#### Jan. 9-10, 2012

##### The 2012 International Workshop on Advanced Image Technology (IWAIT 2012)

- K. Hirose* and T. Higuchi [O]

Generating artistic character facial animation based on motion capture data

### 2011

#### Dec. 5‐9, 2011

- S. Nakano*, M. Fok, P. C. Brandt, T. Higuchi [P]

An approach for exploring the dynamics of the plasmasphere using data assimilation of IMAGE/EUV data

#### Jul. 30-Aug. 4, 2011

##### 2011 Joint Statistical Meetins (JSM)

- E. Motohashi* and T. Higuchi [O]

A state-space approach to capturing market dynamics for frequently purchased products

#### Jul. 5-8, 2011

##### FUSION 2011

- T. Higuchi* [O]

Embedding reality in a numerical simulation with data assimilation - H. Nagao*, N. Kobayashi, S. Nakano and T. Higuchi [O]

Fault parameter estimation with data assimilation on infrasound variations due to big earthquakes - M. Saito*, S. Imoto, R. Yamaguchi, S. Miyano and T. Higuchi [O]

Estimation of macroscopic parameter in agent-based pandemic simulation

#### Jun. 28-Jul. 7, 2011

##### IUGG 2011

- S. Nakano*, T. Higuchi [P]

Massively parallel particle filter and a grouping strategy - S. Nakano*, M. Fok, P. C. Brandt, T. Higuchi [O]

Data Assimilation of EUV Imaging Data into a Plasmasphere Model - S. Nakano*, H. Nagao, T. Higuchi [O]

Anti-correlation between the quiet-time level of mid-latitude magnetic field and long-term solar-wind activity - S. Saita*, A. Kadokura, N. Sato, S. Fujita, T. Tanaka, Y. Ebihara, S. Ohtani, G. Ueno, K. T. Murata, T. Higuchi [P]

#### Jun. 14-17, 2011

##### Yeditepe International Research Conference on Bayesian Learning (YIRCoBL'11)

- R. Yoshida*, H. Nagao, M. M. Saito, T. Higuchi [O]

Dynamic Bayesian modelling of biological pathways and decoupling of hidden regulatory signals using nonlinear state space models - H. Nagao*, R. Yoshida, T. Higuchi [O]

Hybrid Bayesian filter algorithm for multivariate time-series modellings on cloud computing systems

#### Jun. 9-11, 2011

##### 33rd INFORMS Marketing Science Conference

- E. Motohashi* and T. Higuchi [O]

Modeling dynamics of consumer preference and promotion effect in brand choices

#### May. 2, 2011

##### AAMAS 2011

- M. Saito*, S. Imoto, R. Yamaguchi, H. Sato, H. Sakada, M. Kami, S, Miyano, T. Higuchi [O]

Parallel agent-based simulator for Influenza pandemic - T. Imoto, S. Nakano, T. Higuchi [O]

Modeling human behavior selection under environmental subsidy policy by multi-agent simulation

#### Apr. 28-30, 2011

##### SIAM International Workshop on Data Mining for Marketing (DMM2011)

- E. Motohashi* and T. Higuchi [O]

Dynamic brand choice modeling based on the state-space approach

#### Feb. 27－Mar. 4, 2011

##### AGU Chapman Conference on Relationship Between Auroral Phenomenology and Magnetospheric Processes

- S. Saita*, A. Kadokura, N. Sato, S. Fujita, T. Tanaka, Y. Ebihara, S. Ohtani, G. Ueno, K. Murata, D. Matsuoka, T. Higuchi [P]

Displacement of geomagnetic conjugate points due to substorm-related changes in the near-Earth magnetotail field structure

#### Jan. 25－26, 2011

##### The 14th SANKEN International Symposium 2011

- T. Higuchi* [ I ]

Data Assimilation: Developing the Synthesis Tool for Fusion of Heterogeneous Information Sources and Building the Cyber-enabled Discovery Systems in Data-centric Science

### 2010

#### Dec. 10-12, 2010

##### The 3rd International Conference of the ERCIM Working Group on Computing & Statistics(ERCIM'10)

- H. Nagao*, T. Higuchi [O]

CloCK-TiME: cloud computing kernel for time-series modeling engine

#### Sep. 26-29, 2010

##### 9th European Conference on Computational Biology(ECCB10)

- R. Yoshida*, M. Saito, H. Nagao, and T. Higuchi [O]

Bayesian experts in exploring reaction kinetics of transcription circuits - H. Nagao*, R. Yoshida, M. M. Saito, S. Imoto, M. Nagasaki, R. Yamaguchi, M. Yamauchi, N. Goto, S. Miyano, and T. Higuchi [P]

Dynamic profile of transcription factors inferred from mRNA expression time courses in Gefitinib-treated lung cancer cells

#### Jul. 26-29, 2009

##### FUSION 2010

- S. Nakano*, T. Higuchi [O]

A dynamic grouping strategy for implementation of the particle filter on a massively parallel computer - H. Nagao*, T. Higuchi [O]

Web application for time-series analysis based on particle filter available on cloud computing system - K. Hayashi, M. M. Saito*, R. Yoshida, T. Higuchi [O]

Implementation of Sequential Importance Samplin

#### Jul. 5-9, 2009

##### AOGS 2010

- S. Wing*, S. Ohtani, J. Johnson, T. Higuchi, G. Ueno, P. Newell, J. Weygand [O]

The dayside field-aligned currents source regions

#### May. 2－7, 2009

##### EGU General Assembly 2010

- G. Ueno, T. Higuchi, T. Kagimoto, and N. Hirose [P]

Maximum likelihood estimation of error covariances in ensemble-based filters and its application to a coupled atmosphere-ocean model

### 2009

#### Dec. 14‐18, 2009

##### 2009 AGU Fall Meeting

- S. Nakano*, M.-C. Fok, P. C:son Brandt, and T. Higuchi [P]

A data assimilation method for plasmasphere modeling using EUV imaging data - H. Nagao*, T. Higuchi, S. Miura, D. Inazu [P]

A new analysis method using the particle filter algorithm applicable to long-period tide guade records - T. Tokunaga*, K. Nakamura, T. Higuchi, A. Yoshikawa, T. Uozumi, A. Morioka, K. Yumoto [P]

Identification of substorm precursor and expansion onsets by applying Singular Spectrum Transformation to ground-magnetometer data - T. Higuchi, S. Ohtani*, S. Wing, G. Ueno [O]

Interhemispheric asymmetry of field-aligned currents and particle precipitation in the premidnight sector: Dependence on solar illumination at the ionospheric footpoint - S. Ohtani*, S. Wing, P. T. Newell, G. Ueno, T. Higuchi [P]

Locations of night-side particle precipitation boundaries relative to R2 and R1 currents - S. Wing*, S. Ohtani, T. Higuchi, G. Ueno, J. M. Weygand [O]

Relationships between dayside field-aligned currents and particle precipitation - T. Hori*, Y. Ebihara, Y. Hiraki, A. Shinbori, A. Ieda, T. Kikuchi, G. Ueno, T. Higuchi, S. Wing, S. Ohtani [P]

An empirical field-aligned current model based on the DMSP and DE 2 satellites

#### Oct. 5‐9, 2009

##### The 5TH WMO Symposium on Data Assimilation

- S. Nakano*, G. Ueno, T. Higuchi [P]

Merging particle filter for high-dimensional nonlinear problems

#### Aug. 3‐30, 2009

##### IAGA 11th Scientific Assembly

- S. Nakano*, T. Higuchi [O]

Monthly-scale variation of the DST index and its relationship with solar-wind conditions - S. Nakano*, G. Ueno, S. Ohtani, T. Higuchi [O]

Statistical analysis of influence of the solar-wind pressure enhancement on the region-2 field-aligend currents - S. Nakano, M-C. Fok, P-C. Brandt, T. Higuchi [P]

Development of an EUV data assimilation technique for plasmasphere modeling

#### Jul. 14-15, 2009

##### The workshop on large-scale field-aligned current systems and associated processes in the magnetosphere and ionosphere

- T. Higuchi* [O]

Basic concept of automatic identification of large-scale FAC

#### Jul. 9-10, 2009

##### Joint Computational Science Workshop 2009

- T. Higuchi* [ I ]

Hierarchical particle filter embedded in the heterogenous parallel computing platform for data assimilation - M. Saito*, K. Hayashi, K. Nakamura, S. Nakano, T. Higuchi [P]

Acceleration of Particle Filter using GPGPU in Genomic Data Assimilation

#### Apr. 19-24, 2009

##### European Geosciences Union General Assembly 2009

- S. Nakano*, G. Ueno, K. Nakamura, and T. Higuchi [P]

Implementation of the particle filter and the merging particle filter in parallel computing systems

#### Feb. 12, 2009

##### The Road to ab initio Design of Materials and Bio-Artifacts

- T. Higuchi* [ I ]

Data Assimilation: basic aspects, applications, current status of the related activities

#### Jan. 5‐9, 2009

##### The Pacific Symposium on Biocomputing 2009(PSB)

- K. Nakamura*, R. Yoshida, M. Nagasaki, S. Miyano, and T. Higuchi [P]

Parameter Estimation of In Silico Biological Pathways with Particle Filtering Towards a Petascale Computing

### 2008

#### Dec. 15-19, 2008

##### 2008 AGU Fall Meeting

- D. Inazu*, T. Sato, K. Nakamura, S. Miura, H. Fujimoto, C.F. Larsen, and T. Higuchi [P]

Accurate ocean tide modeling in southeast Alaska and large tidal dissipation around Glacier Bay - S. Nakano*, G. Ueno, S. Ohtani, and T. Higuchi [P]

Effects of the solar-wind dynamic pressure on the Region-2 field-aligned current intensity

#### Dec. 5-8, 2008

##### IASC2008

- T. Higuchi* [ I ]

Data assimilation: A key technology for building the cyber-enabled discovery systems in simulation and data-centric sciences

#### Dec. 11‐3, 2008

##### The 19th International Conference on Genome Informatics (GIW2008)

- R. Yamaguchi*, S. Imoto, M. Yamauchi, M. Nagasaki, R. Yoshida, T. Shimamura, Y. Hatanaka, K. Ueno, T. Higuchi, N. Gotoh, and S. Miyano [O]

Predicting differences in gene regulatory systems by state space models

#### Nov. 10‐13, 2008

##### International Symposium: Fifty Years after IGY

- T. Higutchi* [ I ]

Data assimilation: Building the cyber-enabled discovery systems in data-centric science

#### Sep. 7-10, 2008

##### Kickoff Tutorials & Workshop of SAMSI 2008-09 Program on Sequential Monte Carlo Methods

- G. Ueno*, T. Higuchi, T. Kagimoto, and N. Hirose [P]

Data assimilation with ensemble Kalman filter and maximum likelihood

#### Aug. 22‐28, 2008

##### The 9th International Conference on Systems Biology (ICSB2008)

- R. Yamaguchi*, R. Yoshida, M. Nagasaki, S. Imoto, T. Shimamura, M. Yamauchi, T. Higuchi, N. Gotoh, and S. Miyano [ I ]

Exploring biological processes with pathway simulations by data assimilation approach

#### Aug. 3‐7, 2008

##### 2008 Joint Statistical Meetings

- K. Nakamura*, and T. Higuchi [O]

Modeling and estimation of physical parameters in data assimilation - T. Ishigaki*, and T. Higuchi [O]

Divergence-based Kernel for spectrum classification and its applications

#### Jul. 21‐25, 2008

##### the 9th World Conference of the International Society for Bayesian Analysis (ISBA)

- G. Ueno*, T. Higuchi, T. Kagimoto, and N. Hirose [P]

State estimation of a coupled ocean-atmosphere system by the ensemble Kalman filter and smoother

#### Jun. 30‐Jul. 3, 2008

##### The 11th International Conference on Information FUSION

- T. Ishigaki*, and T. Higuchi. [O]

Parameter identification of a pressure regulator with a nonlinear structure using a particle filter based on the nonlinear state space modele

#### Jun. 23‐25, 2008

##### Conference on Advanced Mathematical and Computational Tools in Metrology and Testing

- T. Ishigaki*, and T. Higuchi [O]

A framework of multivariable-simultaneous measurement by a single device

#### Jun. 16‐20, 2008

##### Asia Oceania Geosciences Society

- N. Nakamura*, and T. Higuchi [O]

Assessment of ensemble efficiency in ensemble-based filters and smoothers for prediction - S. Nakano*, G. Ueno, and T. Higuchi [O]

Estimation of an uncertain parameter in dynamic nonlinear models using ensemble-based data assimilation schemes - S. Nakano*, G. Ueno, Y. Ebihara, M.-C. Fok, and T. Higuchi [P]

A feasibility study of ring current modeling using data assimilation of multi-satellite observations

#### May. 13‐15, 2008

##### The 2nd Asia International Conference on Modelling Symposium (AMS2008)

- O. Hirose*, R. Yoshida, R. Yamaguchi, S. Imoto, T. Higuchi, and S. Miyano [O]

Analyzing time course gene expression data with biological and technical replicates to estimate gene networks by state space models

#### Apr. 13-18, 2008

##### European Geosciences Union General Assembly 2008

- G. Ueno*, T. Higuchi, T. Tsuchiya, T. Kagimoto, and N. Hirose [P]

Regularization of singular covariance matrices with graphical models - S. Nakano*, G. Ueno, Y. Ebihara, M.-C. Fok, S. Ohtani, P. C. Brandt, D. G. Mitchell, K. Keika, and T. Higuchi [O]

Data assimilation of energetic neutral atom data for two-dimensional modeling of the magnetospheric ring current - S. Nakano*, G. Ueno, and T. Higuchi [P]

Parameter estimation for dynamic nonlinear models using the merging particle filter

#### Mar. 30‐Apr. 4, 2008

##### International Conference on Acoustics, Speech, and Signal Processing (IEEE ICASSP2008)

- T. Ishigaki* and T. Higuchi [O]

Dynamic Spectrum Classification by Divergence-Based Kernel Machines and Its Application to the Detection of Worn-out banknotes

#### Mar. 2-7, 2008

##### 2008Ocean Sciences Meeting

- K. Nakamura*, T. Higuchi, and N. Hirose [O]

Bathymetry inversion by sequential data assimilation of Tsunami simulation model - D. Inazu*, T. Sato, K. Nakamura, S. Miura, H. Fujimoto, C.F. Larsen, and T. Higuchi

Accurate tide modeling and semidiurnal seiches in Southeastern Alaska

### 2007

#### Dec. 10-14, 2007

##### 2007 AGU Fall Meeting

- T. Higuchi, S. Nakano*, G. Ueno, Y. Ebihara, M.-C. Fok, S. Ohtani, P. C. Brandt, D. G. Mitchell, and K. Keika [P]

Application of ENA data assimilation to global modeling of space plasma environments - S. Ohtani*, S. Wing, G. Ueno, and T. Higuchi [O]

Statistical relationship between large-scale field-aligned currents and particle precipitation - G. Ueno, S. Wing*, S. Ohtani, and T. Higuchi [P]

Relationships between field-aligned currents and particle precipitation - S. Nakano*, G. Ueno, Y. Ebihara, M.-C. Fok, S. Ohtani, P. C. Brandt, D. G. Mitchell, K. Keika, and T. Higuchi [O]

Variations in the ring current and inner-magnetospheric electric field deduced from data assimilation of IMAGE/HENA data - D. Inazu*, T. Sato, K. Nakamura, S. Miura, T. Higuchi, H. Fujimoto, and C. Larsen [P]

Accurate modeling of regional oceanic tides for detiding gravimeter data at southeasern Alaska

#### Oct. 23-27, 2007

##### International CAWSES Symposium

- S. Nakano*, G. Ueno, Y. Ebihara, M.-C. Fok, S. Ohtani, P. C. Brandt, D. G. Mitchell, K. Keika, and T. Higuchi [P]

Data assimilation for modeling the ring current evolution

#### Oct. 5-6, 2007

##### The International Workshop on Data-Mining and Statistical Science (DMSS2007)

- R. Yoshida*, T. Higuchi, S. Imoto, and S. Miyano [O]

Mixed factors analysis: Unsupervized statistical discrimination with kernel feature extraction

#### Aug. 1-3, 2007

##### Mining and Lerning with Graphs 2007 (MLG '07)

- A. Termier*, Y. Tamada, K. Numata, S. Imoto, T. Washio, and T. Higuchi [O]

DIGDAG, a first algorithm to mine closed frequent embedded sub-DAGs

#### Jul. 31-Aug. 2, 2007

##### The Seventh Annual International Worksyop on Bioinformatics and Systems Biology (IBSB2007)

- O. Hirose*, R. Yoshida, R. Yamaguchi, S. Imoto, T. Higuchi, and S. Miyano [O]

Clustering with time course gene expression profiles and the mixture of state spase models

#### Jul. 29-Aug. 2, 2007

##### 2007 Joint Statistical Meetings

- K. Nakamura*, T. Higuchi, and N. Hirose [O]

Estimation of Sea Depth by Data Assimilation with Tsunami Simulation Model

#### Jul. 2-13, 2007

##### XXIV IUGG General Assembly 2007

- S. Nakano*, G. Ueno, Y. Ebihara, M.-C. Fok, S. Ohtani, P. C. Brandt, D. G. Mitchell, K. Keika, and T. Higuchi [O]

Ring current modeling with an algorithm based on the particle filter/smoother - S. Nakano*, G. Ueno, Y. Ebihara, M.-C. Fok, S. Ohtani, P. C. Brandt, D. G. Mitchell, K. Keika, and T. Higuchi [O]

Quantitative modeling of the ring current using ENA data assimilatio

#### Apr. 15-20, 2007

##### European Geosciences Union General Assembly 2007

- S. Nakano*, G. Ueno, and T. Higuchi [O]

A particle filter with merging procedure for sequential data assimilation - G. Ueno*, T. Higuchi, T. Kagimoto, and N. Hirose [O]

State estimation of an intermediate coupled model by the ensemble Kalman filter and smoother

#### Jan. 3-7, 2007

##### The Pacific Symposium on Biocomputing (PSB) 2007

- M. Nagasaki, R. Yamaguchi, R. Yoshida, S. Imoto, A. Doi, Y. Tamada, H. Matsuno, S. Miyano, T. Higuchi*

Assimilating Genomic Data with a Hybrid Functional Petri Net via Generalized State Space Model

### 2006

#### Dec. 18-20, 2006

##### The 17th International Conference on Genome Informatics

- S. Tasaki, M. Nagaski*, M. Oyama, H. Hata, K. Ueno, R. Yoshida, T. Higuchi, S. Sugano, S. Miyano

Modeling and Estimation of Dynamic EGFR Pathway by Data Assimilation Approach Using Time Series Proteomic Data - A. Termier*, Y. Tamada, K. Numata, S. Imoto, T. Washio, T. Higuchi

Improvement of a Gene Network Discovery Method Via Frequent Subtree Mining - K. Numata*, A. Termier, R. Yoshida, S. Imoto, Y. Tamada, T. Higuchi S.Miyano

A Graph Mining Approach to Gene Network Motif Extraction

#### Dec. 15-16, 2006

##### Tsukuba-Tohoku Joint Workshop on "New Directions of Research in Marketing"

- T. Sato*, T. Higuchi

Statistical Inference of Stochastic Switching Model with Time-Varying Price Effects using Monte Carlo Mixture Kalman Filter

#### Dec. 11-15, 2006

##### 2006 AGU Fall Meeting

- G. Ueno*, T. Higuchi, T. Kagimoto, N. Hirose

Analysis of ENSO with an intermediate model through the ensemble Kalman filter and smoother - S. Nakano*, G. Ueno, Y. Ebihara, M.-C. Fok, S. Ohtani, P. C. Brandt, D. G. Mitchell, K. Keika, T. Higuchi

Structure of the ring current and electric potential in the inner magnetosphere deduced from ENA data assimilation - T. Higuchi*, K. Nakamura, N. Hirose

Information Fusion of Tsunami Simulation Model and Tide Gauge Data Through Sequential Data Assimilation

#### Nov.4-7, 2006

##### 2006 SGEPSS Fall Meeting

- S. Nakano*, G. Ueno, Y. Ebihara, M.-C. Fok, S. Ohtani, P. C. Brandt, D. G. Mitchell, K. Keika, T. Higuchi

Estimation of the ring current structure and the inner-magnetospheric electric field through data assimilation

#### Oct.18-21, 2006

##### SICE-ICASE International Joint Conference 2006

- K. Koyama, K. Watanabe, K. Kobayashi, Y. Kurihara, T. Ishigaki* , T. Higuchi <BR>

A Multi-variable Detecting Sensor and its Application

#### Oct.16-18, 2006

##### GODAE Symposium on ocean data assimilation and prediction in Asia-Oceania

- G. Ueno*, T. Higuchi, T. Kagimoto, N. Hirose

Implementation of the ensemble Kalman filter and smoother for an intermediate ENSO model

#### Sep.25-26, 2006

##### The International Workshop on Data-Mining and Statistical Science

- A. Termier*, Y. Tamada, S. Imoto, T. Washio, T. Higuchi

From Closed Tree Mining to Closed DAG Mining (invited) - R. Yoshida*, S. Imoto, T. Higuchi, S. Miyano

Unsupervised Learning of n << p Data and Its Applications to Bioinformatics (invited)

#### Sep.20-24, 2006

##### SCIS & ISIS 2006

- G. Ueno*, T. Higuchi, T. Kagimoto, N. Hirose

Prediction of ocean state by data assimilation with the ensemble Kalman filter - K. Nakamura*, T. Higuchi, N. Hirose

Application of particle

#### Sep.13-15, 2006

##### Nonlinear Statistical Signal Processing Workshop 2006

- G. Ueno*, T. Higuchi, T. Kagimoto, N. Hirose

Application of the Ensemble Kalman Filter to Atmosphere-Ocean Coupled Model

#### Sep.6-8, 2006

##### 2006 IEEE International Workshop on Machine Learning for Signal Processing

- T. Ishigaki*, T. Higuchi, K. Watanabe

Spectrum classification for early fault diagnosis of LP gas pressure regulator based on Kullback-Leibler Kernel

#### Jul.24-26, 2006

##### The Sixth International Workshop on Bioinformatics and Systems Biology (IBSB2006)

- M. Nagasaki, R. Yamaguchi*, R. Yoshida, S. Imoto, A. Doi, Y. Tamada, H. Matsuno, S. Miyano, T. Higuchi

Genomic Data Assimilation for Estimating Hybrid Functional Petri Net from Time-course Gene Expression Data

#### Jul.16-21, 2006

##### 2006 IEEE World Congress on Computational Intelligence

- T. Ishigaki*, T. Higuchi, K. Watanabe

Online Detection and Classification of Disasters by a Multiple-input/single-output Sensor for a Home Security System

#### Jun.25-30, 2006

##### GEM 2006 Summer Workshop

- S. Nakano*, G. Ueno, Y. Ebihara, M. Fok, S. Ohtani, P. C. Brandt, T. Higuchi

Data assimilation of global ENA data into a kinetic ring current model

#### Jun.22, 2006

##### The National Center for Atmospheric Research (NCAR), Computational and Information Systems Laboratory (CISL), Institute for Mathematics Applied to Geosciences (IMAGe) Seminar

- T. Higuchi, G. Ueno, S. Nakano, K. Nakamura

Applications to the atmosphere-ocean coupled system, the magnetosphere, and the tsunami

#### May.23-26, 2006

##### 2006 Joint Assembly

- S. Nakano*, G. Ueno, Y. Ebihara, M. Fok, S. Ohtani, P. C. Brandt, D. G. Mitchell, K. Keika, T. Higuchi

Estimation of the ring current structure through data assimilation of global ENA data into a ring current model

#### May.14-18, 2006

##### Japan Geoscience Union Meeting 2007

- S. Nakano*, G. Ueno, Y. Ebihara, M. Fok, S. Ohtani, P. C. Brandt, T. Higuch

Data assimilation to resolve the ring current structure

#### Apr.2-7, 2006

##### European Geosciences Union General Assembly 2006

- G. Ueno*, T. Higuchi, T. Kagimoto, N. Hirose

Assimilation of sea surface observation with coupled model via ensemble Kalman filter: System design with graphical modelin - S. Nakano* G. Ueno, Y. Ebihara, M. Fok, S. Ohtani, P. C. Brandt, T. Higuchi

Use of data assimilation to estimate physical parameters in a ring current model - S. Nakano*, G Ueno, Y. Ebihara, M. Fok, S Ohtani, P. C. Brandt, T. Higuchi

Application of the particle filter technique to magnetospheric physics

#### Feb.20-24, 2006

##### 2006 Ocean Science Meeting

- G. Ueno*, T. Higuchi, T. Kagimoto, N. Hirose

Assimilation of sea surface observation with coupled ocean-atmosphere model via ensemble Kalman filter - K. Nakamura*, N. Hirose, T. Higuchi

Particle Filter Method for Real Tsunami Assimilation with Shallow-Water Equations Model

#### Jan.3-7, 2006

##### The Pacific Symposium on Biocomputing (PSB 2006)

- Tomoyuki Higuchi*, Seiya Imoto, Rui Yamaguchi, Ryo Yoshida, Satoru Miyano

Biological Information Fusion for Estimating Gene Networks Via Bayesian Modeling and Computation - Yoshinori Tamada*, Seiya Imoto, Tomoyuki Higuchi, Kousuke Tashiro, Satoru Kuhara, Satoru Miyano

Identification of Drug Active Pathways Based on Gene Networks and Drug Response Gene Expression Data - Rui Yamaguchi*, Tomoyuki Higuchi

State Space Models for Analyzing Time-Course DNA Microarray Gene Expression Data - Ryo Yoshida*, Tomoyuki Higuchi, Seiya Imoto, Satoru Miyano

Arraycluster: An Analytic Tool for Clustering, Data Visualization and Module Finder on Gene Expression Profiles

### 2005

#### Dec.19-21, 2005

##### The 16th International Conference on Genome Informatics

- Ryo Yoshida*, Seiya Imoto, Tomoyuki Higuchi, Satoru Miyano

State Space Model with Markov Switching for Estimating Time-Dependent Gene Regulatory Networks from Time Series Microarray Experiments - Rui Yamaguchi*, Tomoyuki Higuchi

Comparative Study of State Space Models for Time-Course Gene Expression Data of Yeast

#### Dec.15-17, 2005

##### The 5th IASC Asian Conference on Statistical Computing

- T. Higuchi

Data Assimilation: Time-dependent Information Fusion from Numerical Simulation and Large-scale Observation

(invited)

#### Dec.1-3, 2005

##### Latent Structural Modelling and Analysis for Spatio-Temporal Data

- K. Nakamura*, G. Ueno, T. Kagimoto, N. Hirose, T. Higuchi

Sequential Data Assimilation Method and its Application to Coupled Atomsphere-Ocean and Tsunami Simulation Models

#### Nov.17-18, 2005

##### International Workshop on Modelling and Data Analysis in Environmentrics, Geostatistics and Related Areas

- T. Higuchi

Nonlinear Non-Gaussian Data Assimilation Methods and their Applications

(Invited)

#### Aug.8-11, 2005

##### Computational Systems Bioinformatics Conference(CSB2005)

- R. Yoshida, S. Imoto, T. Higuchi*

Estimating Time-Dependent Gene Networks from Time Series Microarray Data by Dynamic Linear Models with Markov Switching

#### Aug.7-11, 2005

##### 2005 Joint Statistical Meetings

- K. Nakamura*, T. Higuchi

Accuracy Comparison of State Estimation and Parameter Identification by Particle and Ensemble Kalman Filters for Nonlinear Observation System - R. Yoshida*, T. Higuchi, S. Imoto

Mixed Factors Analysis with the Application to Clustering of DNA Microarray Experiments - R. Yamaguchi*, T. Higuchi

Performance comparison of state space and RBF-based models for daily sales of small restaurants

#### Jun.20-24, 2005

##### AOGS 2nd Annual Meeting 2005

- K. Nakamura*, T. Higuchi, G. Ueno

Performance Comparison Between Particle and Ensemble Kalman Filters in Data Assimilation with Nonlinear Observation System

#### Jun.4-8, 2005

##### The Pacific Symposium on Biocomputing (PSB 2005)

- R. Yoshida*, T. Higuchi, S. Imoto

Module Genes-based Clustering via Mixed Factors Model

#### May.9-12, 2005

##### 2005 International Workshop on Data Mining and Bioinformatics

- S. Yamashita*, T. Higuchi

Estimating gene networks with cDNA microarray Data Using State-space models - R. Yoshida*, S. Imoto, T. Higuchi

A Penalized Likelihood Estimation on Transcriptional Module-based Clusterintg

#### Apr.18-22, 2005

##### 4th WMO International Symposium on Assimilation of Observations in Meteorology and Oceanography

- G. Ueno*, T. Higuchi, T. Kagimoto, and N. Hirose

Application of ensemble Kalman filter to coupled atmosphere-ocean model

#### Jan.28-30, 2005

##### Japanese-German Frontiers of Science

- T. Higuchi

Data Assimilation: Synthesis technique for information from a numerical simulation model and large-scale measurement system

### 2004

#### Dec.13-17,2004

##### 2004 AGU Fall Meeting

- T. Higuchi, S.Ohtani*, G. Ueno, H. Kawano

Seasonal Variations of the Intensities of Large-scale Field-aligned Currents - G. Ueno*, T. Higuchi, T. Kagimoto, N. Hirose

Application of ensemble Kalman filter to coupled atmosphere-ocean model

#### Dec.13-15,2004

##### GIW2004

- R. Yoshida*, T. Higuchi, S. Imoto

Mixed Factors Analysis for Identifying Transcriptional Modules and Clusters on Microarray Experiments

#### Dec.1-2,2004

##### Recent Development of Statistical Modeling in Marketing

- T. Sato*, T. Higuchi

Stochastic Switching Model with Time-Varying Price Effects

#### Oct.2-4,2004

##### FA100 International Symposium at Osaka

- R. Yoshida*, T. Higuchi, S. Imoto

Mixed factors analysis for finding groups in gene expression pattern

#### Aug.16-20,2004

##### 2004 Western Pacific Geophysics Meeting

- T. Higuchi*, G. Ueno

Combining Multiple Simulation Models And Ground-Based Measurement Systems Via Data Assimilation (invited) - G. Ueno*, T. Higuchi, T. Kagimoto, N. Hirose

Application of ensemble Kalman filter to coupled atmosphere-ocean model

#### Aug.16-19,2004

##### Computational Systems Bioinformatics Conference(CSB2004)

- R. Yoshida*, T. Higuchi, S. Imoto

A Mixed Factors Model for Dimension Reduction and Extraction of a Group Structure in Gene Expression Data

#### Jul.5-9,2004

##### Asia Oceania Geosciences Society

- K. Haraguchi, H. Kawano, K. Yumoto*, S. Ohtani, T. Higuchi, G. Ueno

Continuous monitoring of field-aligned currents with the Circum-pan Pacific Magnetometer Network: Comparisons with DMSP observations

#### Jun.23-26,2004

##### Marketing Science Conference 2004

- T. Sato, T. Higuchi*

Statistical Inference of Stochastic Switching Model with Time-Varying Price Effects using Monte Carlo Mixture Kalman Filter - R. Yamaguchi*, E. Tsuchiya, and T. Higuchi

State space modeling approach for decomposition of daily sales of a restaurant into multi factors

#### Jun.20-25,2004

##### GEM 2004 Summer Workshop

- Ohtani, S.*, G. Ueno, T. Higuchi, H. Kawano

Annual and semiannual variations of the location and intensity of large-scale field-aligned currents

#### May.26-28,2004

##### Computational Methods in Systems Biology '04

- S. Imoto*, T. Higuchi, S. Kim, E. Jeong, S. Miyano

Residual Bootstrapping and Median Filtering for Robust Estimation of Gene Networks from Microarray Data

#### May.17-21,2004

##### AGU 2004 Joint Assembly

- S. Ohtani*, G. Ueno, T. Higuchi, H. Kawano

Seasonal Variations of Large-scale Field-aligned Currents

#### Jan.6-10,2004

*The Pacific Symposium on Biocomputing (PSB 2004)*

- T. Higuchi*, S. Imoto, T. Goto, and S. Miyano

Self-repairing Database System for Biological Knowledge Database by Using Information on DNA Microarray

### 2003

#### Dec.14-17,2003

*Science of Modeling -The 30th Anniversary of the Information Criterion (AIC)*

- R. Yamaguchi, E.Tsuchiya, T. Higuchi*

Exploitation of prior information and knowledge discovery:Decomposition of daily sales of a restaurant for micromarketing - S. Imoto *, T. Higuchi , T. Goto , K. Tashiro , S. Kuhara , S.Miyano

Combining Microarrays and Biological Knowledge for Estimating Gene Networks via Bayesian Networks - T. Sato*, T. Higuchi, G. Kitagawa

Statistical Inference using Stochastic Switching Models for the Discrimination of Unobserved State - M. Kamiyama*, T. Higuchi

Non-linear filtering with dynamic programming to adjust non-uniform sampling locations - R. Yamaguchi*, E.Tsuchiya, T. Higuchi

Prediction of daily sales of a restaurant based on the state space modeling - K. Fukuyama*, T. Higuchi, T. Uozumi, H. Kawano, K. Yumoto

Two Bayesian modeling approaches for an onset time determination of magnetic pulsations - N. Nakamura*, G. Ueno, T. Higuchi, S. Konishi

Multivariate Normal Mixture Model with Missing Regions

#### Dec.8-12,2003

*AGU Fall Meeting 2003*

- J. Fukuda*, T. Higuchi, S. Miyazaki, T. Kato

A New Approach to Time-Dependent Inversion of Geodetic Data Using Monte Carlo Mixture Kalman Filter - P.J. Chi*, C.T. Russell, T. Higuchi

Automatic Identification of ULF Waves in Triaxial Magnetic Records

#### Nov.13-15,2003

*International Symposium on Information Science and Electrical Engineering 2003*

- T. Higuchi

Data assimilation with Monte Carlo mixture Kalman filter toward space weather forecasting - K. Fukuyama*, T. Higuchi, T. Uozumi, H. Kawano, K. Yumoto

Determination of onset times of Pi2 magnetic pulsations - K. Haraguchi*, H. Kawano, K. Yumoto, S. Ohtani, T. Higuchi

Characteristics of Field-Aligned Currents observed by the DMSP satellite

#### Sept.28-Oct.1,2003

*2003 IEEE Workshop on Statistical Signal Processing*

- M. Kamiyama and T. Higuchi*

Non-linear filtering approach to an adjustment of non-uniform sampling locations in spatial datasets - T. Higuchi* and J. Fukuda

Monte Carlo Mixture Kalman filter to GPS data analysis for spase-time inversion

#### Aug.27-29,2003

*13th IFAC Symposium on System Identification(SYSID-2003)*

- T.Higuchi*，and J.Fukuda

Monte Carlo Mixture Kalman filter and its application to GPS data analysis for spase-time inversion problems (invited)

#### Aug.11-14,2003

*IEEE Computer Society Bioinformatics Conference*

- S.Imoto*, T.Higuchi, T.Goto, K.Tashiro, S.Kuhara, S.Miyano

Combining Microarrays and Biological Knowledge for Estimating Gene Networks via Bayesian Networks

#### Aug.3-7,2003

*Joint Statistical Meeting 2003*

- T.Higuchi

Monte Carlo mixture Kalman filter based on the particle filter approach

#### Jun.30-Jul.11,2003

*IUGG2003*

- K. Haraguchi*, H. Kawano, K. Yumoto, S. Ohtani, T. HIguchi, G. Ueno

Correlation between the ionospheric conductivity and dayside field-aligned current intensity: Statistical study with DMSP-F7 - G. Ueno*, T. Higuchi, S. Ohtani, P.T. Newell

Particle precipitation characteristics in the daysidefour-sheet field-aligned current structure - K. Fukuyama*, T. Higuchi, T. Uozumi, H. Kawano, K. Yumoto

Determination of onset times of low-latitude Pi2 magnetic pulsations

#### Jun.29-Jul.3,2003

*11th International Conference on Intelligent Systems for Molecular Biology*

- S. Imoto*, T. Higuchi, T. Goto, K. Tashiro, S. Kuhara, S. Miyano

Estimating Gene Networks by Bayesian Networks from Microarrays and Biological Knowledge

#### Apr.6-11,2003

*EGS-AGU-EUG Joint Assembly*

- H. Nagao*, T. Iyemori, T. Higuchi, T. Araki

Lower mantle conductivity anomalies estimated from geomagnetic Jerks - S. Yamashita*, S. Ohtani, G. Ueno, T. Higuchi and T. Iyemori

Day-night net field-aligned current system deduced from satellite data: storm time field-aligned currents

#### Jan.3-7,2003

*The Pacific Symposium on Biocomputing (PSB 2003)*

- Tomoyuki Higuchi*, Seiya Imoto, Sunyong Kim, and Satoru Miyano

Residual Bootstrapping and Median Filtering to Construct a Bayesian Network for Nonlinear Modeling of Gene Network

### 2002

#### Dec.6-10,2002

*AGU 2002 Fall Meeting*

- T. Higuchi*, G. Ueno, and S. Ohtani

Systematic study of the large-scale field aligned current structures from large database - K. Haraguchi*, H. Kawano, K.Yumoto, S.Ohtani, T.Higuchi, G.Ueno

Dependence of Dayside Field-Aligned Currents on the lonospheric Conductivity: Statistical Study With DMSP-F7 Data - J. Fukuda*, T. Higuchi, S. Miyazaki, T. Kato

Space-Time Inversion of Geodetic Data for Fault Slip by Monte Carlo Mixture Kalman Filter Approach

#### Aug.24-28,2002

*CompStat2002*

- Norikazu Ikoma, Tomoyuki Higuchi, and Hiroshi Maeda

Maneuvering target tracking by using particle filter methd with model switching structure

#### Jun.24-28,2002

*GEM 2002 Workshop*

- Ueno, G.*, T. Higuchi, and S. Ohtani

Systematic study of the large-scale field-aligned current structures from large database

### 2001

#### Dec.10-14,2001

*AGU 2001 Fall Meeting*

- Tomoyuki Higuchi, Shin-ichi Ohtani, Teiji Uozumi, and Kiyohumi Yumoto

Pi2 onset time determination with information criterion - Genta Ueno, Magatomo Makamura, Tomoyuki Higuchi, Takashi Tsuchiya, Shinobu Machida, Tohru Araki, Yoshifumi Saito, and Toshifumi Mukai

Application of multivariate Maxwellian mixture model to plasma velocity distribution function - Murachi.T, Imamura.T, Higuchi.T, and Nakamura.M

Error Estimation in deriving the Atmospheric Motion Vectors from cloud images

#### Nov.25-28,2001

*The Forth International Conference on Discovery Science*

- Genta Ueno, Nagamoto Nakamura, and Tomoyuki Higuchi

Separation of Photoelectrons via Multivariate Maxwellian Mixture Model

#### Jul.25-28,2001

*Joint 9th IFSA World Congress and 20th NAFIPS International Conference of NAFIPS* (IFSA-NAFIPS2001)

- Norikazu Ikoma* , Noyuki Ichimura , Tomoyuki Higuch, and Hiroshi Maeda

ManeuveringTarget Tracking by Using Particle Filter

#### Jun.18-22,2001

*Japan-U.S Seminar on Statistical Time Series Analysis*

- T.Higuch

Evolutionary time series model with parallel computing[ HTML ]

#### May.24-25,2001

*IEEE International Workshop on Intelligent Signal Processing *

- T.Ikoma*, N.Ichimura, T Higuchi, and H.Maeda

Particle Filter Based Method for Maneuvering Target Tracking

### 2000

#### Dec.14-17,2000

##### 2nd International Symposium on Frontiers of Time Series Modeling

- Tomoyuki Higuchi

Data Mining Appraoch to Space Weather Forecast - Genta Ueno, Nagatomo Nakamura, Tomoyuki Higuchi, Takashi Tsuchiya, Shinobu Machida

Application of multivariate Maxwellian mixture model to plasma velocity distribution function - Hiromichi Nagao, Tomoyuki Higuchi, Toshihiko Iyemori, Tohru Araki

An Application of a Statistical Model to Geomagnetic Time Series - Norikazu Ikoma, Naoyuki Ichimura, Tomoyuki Higuchi

Maneuvering Target Tracking by Nonlinear Non-Gaussian State Space Model

#### Dec.4-6,2000

##### The Third International Conference on Discovery Science

- Tomoyuki Higuchi

Automatic and Accurate Determination of the Onset Time of the Quasi-periodic Oscillation - G. Ueno, N. Nakamura, T. Higuchi, T. Tsuchiya, S. Machida, and T. Araki

Application of Multivariate Maxwellian Mixture Model to Plasma Velocity Distribution Function

#### Jul.17-18,2000

##### Workshop on Information-Based Induction Sciences 2000 **(IBIS2000)**

- T. Higuchi,

Decomposition of Small Count Time Series into Multi-Factor Components by Sequential Monte Carlo Method

[ HTML ]

#### Jun.11-16,2000

##### World Automation Congress 2000 **(WAC 2000)**

- T. Higuchi, and S. Ohtani,

Automatic Identification of Large-Scale Field-Aligned Current Structures: Statistical Approach

[ HTML ]

#### Feb.7-9,2000

##### The International Symposium on Frontiers of Time Series Modeling

- Tomoyuki Higuchi

Analysis of small count time series with time varying frequency component

[ HTML ]

### 1999

#### Dec.13-17,1999

##### American Geophysical Union,*Fall Meeting*

- Tomoyuki Higuchi et al., Identification of the onset time of high-latitude Pi2 pulsations based on the self -organizing state space model

[ HTML ]

#### Dec.6-8,1999

##### The Second International Conference on Discovery Science

- Genshiro Kitagawa, Tomoyuki Higuchi and Fumiyo N.Kondo

Smoothness Prior Approach to Explore the Mean Structure in Large Time Series Data - Genta Ueno, Shinobu Machida, Nagatomo Nakamura, Tomoyuki Higuchi and Tohru Araki

Detection of the Structure of Particle Velocity Distribution by Finite Mixture Distribution Model

#### Jul.19-30,1999

##### International Association of Geomagnetism and Aeronomy at XXII IUGG General Assembly

- Ohtani, S.* and Higuchi,T.

Dayside Field-aligned Current Systems Under Northward IMF Bz

#### Jun.1-4,1999

##### American Geophysical Union,*Spring Meeting*

- Higuchi,T.* and Ohtani, S.,

Statistical Characteristics of Nightside Field-aligned Currents

#### Jan.11-15,1999

##### Chapman Conference on Magnetospheric Current Systems, Kona, Hawaii, USA.

- T. Higuchi* and S. Ohtani, Demonstration of an Automatic Procedure to Identify Large-scale Field-aligned Current Structures
- S. Ohtani* and T. Higuchi

Disappearance of Large-scale Field-aligned Current Systems - T. Higuchi* and S. Otani

Four-Sheet Structure of Dayside Large-scale Field-aligned Currents: Statistical Study.

### 1998

#### Dec.14-16,1998

##### The First International Conference on Discovery Science

- G. Kitagawa* and T. Higuchi, Automatic Transaction of Signal via Statistical Modeling

#### Dec.6-10,1998

##### American Geophysical Union,*Fall Meeting*

- Tomoyuki Higuchi and Shin-ichi Ohtani*, Four-Sheet Structure of Dayside Large-scale Field-aligned Current Systems

[ HTML ]

#### Jun.24,1998

##### American Geophysical Union, *Westerm Pacific Geophysics Meeting* , Taipei

- Higuchi*, T. Ohtani, S.

Disappearence of Large-Scale Field-Aligned Current Systems

#### Mar.9-13,1998

*International Conference on Substorms-4*

- Ohtani, S-I.*, Takahashi, K., Higuchi, T., Lui, A.T.Y., Spence, H.E., and Fennell, J.F.

Can Tail Current Disruption be Described in the MHD Framework?

### 1997

#### Dec.8-12,1997

*American Geophysical Union, Fall meeting*, San Francisco, U.S.A.

- Higuchi, T.*, and Ohtani, S-I.

Development of an Automatic Procedure for Identifying Large- Scale Field-Aligned Current (FAC) Structures

#### Jun.20,1997

##### Johns Hopkins University, Applied Physics Laboratory

- Higuchi, T.*, and Ohtani, S-I.

Automatic identification of large-scale field-aligned current structures:

Application to the DMSP-F7 magnetometer data

#### May.27-30,1997

*American Geophysical Union, Spring meeting*, Baltimore, U.S.A.

- Higuchi, T.*, Ohtani, S-I., Takahashi, K., Spence, H.E., Lui, A.T.Y., Fennell, J.F.

Fractal Analysis:

Application to Satellite Magnetic Field Measurements at Substorm Onsets

#### Mar.27-30,1997

*American Geophysical Union, Spring meeting*, Baltimore, U.S.A.

- Ohtani*, S-I., and Higuchi, T.
*(Invited)*

Fractal Analysis:

Basic Concepts and Advantages for Satellite Data Analyses

#### Apr.10,1997

##### University of Maryland, Department of Mathematics

- Higuchi, T. Application of Monte Carlo Filter:

Analysis of Seasonal Small Count Time Series with Quasi Periodic Model