Wyniki wyszukiwania dla: Hiroshi Tsuda

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A clinicopathological study of ALS with L126S mutation in the SOD1 gene presenting with isolated inferior olivary hypertrophy

Makoto Hideshima, Goichi Beck, Misaki Yamadera, Yuichi Motoyama, więcej

We report an autopsy case of amyotrophic lateral sclerosis with L126S mutation in the superoxide dismutase 1 (SOD1) gene (SOD1). The patient was a 69‐year‐old Japanese man without relevant family history, who initially presented with slow progressive muscle weakness of the lower extremities without upper motor neuron signs, and died of respiratory failure 6 years after the onset. Neuropathological...

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Plasma Exchange Therapy to Reduce Mortality in Japanese Patients With Diffuse Alveolar Hemorrhage and Microscopic Polyangiitis

Yoshiyuki Abe, Ken Yamaji, Yukari Endo, Makio Kusaoi, więcej

Therapeutic Apheresis and Dialysis > 24 > 2 > 208 - 214

Diffuse alveolar hemorrhage (DAH) is well known as a serious complication of microscopic polyangiitis (MPA). We examined the effectiveness of plasma exchange (PLEX) therapy to reduce mortality in Japanese DAH patients with MPA. This retrospective, double‐center, observational cohort study included 20 DAH patients with MPA who were admitted to Juntendo University Hospital or Juntendo Koto Geriatric...

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Structurally Distinct α‐Synuclein Fibrils Induce Robust Parkinsonian Pathology

Hideki Hayakawa, Rie Nakatani, Kensuke Ikenaka, Cesar Aguirre, więcej

Movement Disorders > 35 > 2 > 256 - 267

Objective Alpha‐synuclein (α‐syn) is a major component of Lewy bodies, which are the pathological hallmark in Parkinson's disease, and its genetic mutations cause familial forms of Parkinson's disease. Patients with α‐syn G51D mutation exhibit severe clinical symptoms. However, in vitro studies showed low propensity for α‐syn with the G51D mutation. We studied the mechanisms associated with severe...

artykuł

Optical full-field strain measurement method from wrapped sampling Moiré phase to minimize the influence of defects and its applications

Qinghua Wang, Shien Ri, Hiroshi Tsuda, Motomichi Koyama

Optics and Lasers in Engineering > 2018 > 110 > C > 155-162

For strain measurement in the case of complex situations such as when defects (including cracks, notches and stains) exist, the traditional phase unwrapping algorithm will bring great error in strain distributions around defects. In this study, a simple local phase unwrapping algorithm was proposed to minimize the influence of defects on full-field strain measurement. From the specimen grid images...

artykuł

Trading and Ordering Patterns of Market Participants in High Frequency Trading Environment: Empirical Study in the Japanese Stock Market

Taiga Saito, Takanori Adachi, Teruo Nakatsuma, Akihiko Takahashi, więcej

Asia-Pacific Financial Markets > 2018 > 25 > 3 > 179-220

In this study, we investigate ordering patterns of different types of market participants in Tokyo Stock Exchange (TSE) by examining order records of the listed stocks. Firstly, we categorize the virtual servers in the trading system of TSE, each of which is linked to a single trading participant, by the ratio of cancellation and execution in the order placement as well as the number of executions...

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Discriminant kernel learning for acoustic scene classification with multiple observations

Jiaxing Ye, Takumi Kobayashi, Hiroshi Tsuda, Masahiro Murakawa

2017 25th European Signal Processing Conference (EUSIPCO) > 1824 - 1828

2017 25th European Signal Processing Conference (EUSIPCO)

In this paper, we propose a novel kernel learning scheme for acoustic scene classification using multiple short-term observations. The method takes inspiration from the recent result of psychological research — "Humans use summary statistics to perceive auditory sequences" we endeavor to devise computational framework imitating such important auditory mechanism for acoustic scene parsing...

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Measured performances of coaxial-to-circular waveguide transitions

Tetsuya Yamamoto, Kei Urabe, Hiroshi Tsuda

2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting > 737 - 738

2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting

The reflection and transmission characteristics of coaxial-to-circular waveguide transitions are measured and investigated. Two identical transitions are directly connected so that they faced each other and evaluated using a vector network analyzer. The parameters of this transition are optimized in advance at the 5 GHz band using the method of moments. As a result, good agreement can be confirmed...

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Hotel plan popularity factor analysis of hotels in the Keihanshin region

Hiroshi Tsuda, Masakazu Ando, Yu Ichifuji

2016 IEEE International Conference on Big Data (Big Data) > 2217 - 2224

2016 IEEE International Conference on Big Data (Big Data)

Tourism is recognized by the United Nations World Tourism Organization as the worlds' largest growth industry. Tourism in Japan has a tremendous impact on the Japanese economy, including employment and regional vitalization. The Japanese government designated Japan as a “tourism-oriented country” in 2003 and has implemented various tourism promotion measures. In the present research, we attempted...

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Objective measurement for satisfaction values to sightseeing spots and route recommendation system

Takashi Hasuike, Hideki Katagiri, Hiroshi Tsuda

2016 IEEE International Conference on Systems, Man, and Cybernetics (SMC) > 2699 - 2704

2016 IEEE International Conference on Systems, Man, and Cybernetics (SMC)

This paper proposes a route recommendation system for sightseeing based on a network optimization problem. Sightseeing route planning is not difficult if a tourist initially sets satisfaction values of sightseeing spots numerically. However, it was hard to evaluate the satisfaction values objectively according to the tourist's feelings. The tourist can subjectively do a qualitative and pairwise comparison...

artykuł

Safety and efficacy of the leukocytapheresis procedure in eighty-five patients with rheumatoid arthritis

Mie Kitagaichi, Makio Kusaoi, Takayoshi Tsukahara, Go Murayama, więcej

Transfusion and Apheresis Science > 2016 > 55 > 2 > 225-232

Rheumatoid arthritis (RA) is a systemic inflammatory disease in which the predominant symptom is polyarthritis that follows a chronic and progressive clinical course characterized by destructive synovitis and various immune disorders. Striking progress in RA treatment was achieved with the emergence of monoclonal antibodies to target cytokines. However, drug choices are limited for many patients due...

artykuł

Optimal room charge and expected sales under discrete choice models with limited capacity

Taiga Saito, Akihiko Takahashi, Hiroshi Tsuda

International Journal of Hospitality Management > 2016 > 57 > C > 116-131

In this paper, we introduce a model that incorporates features of the fully transparent hotel booking systems and enables estimates of hotel choice probabilities in a group based on the room charges. Firstly, we extract necessary information for the estimation from big data of online booking for major four hotels near Kyoto station.¹1The data were provided by National Institute of Informatics. Then,...

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A Framework of Route Recommendation System for Sightseeing from Subjective and Objective Evaluation of Tourism Data

Takashi Hasuike, Hideki Katagiri, Hiroshi Tsuda

2016 5th IIAI International Congress on Advanced Applied Informatics (IIAI-AAI) > 801 - 806

2016 5th IIAI International Congress on Advanced Applied Informatics (IIAI-AAI)

This paper proposes a framework to recommend personal sightseeing route as well as to objectively obtain the tourist's utility to sightseeing plans and sightseeing spots from subjective comparison. The subjective comparison is qualitatively performed using a scale of measurement such as Likert scale, and the mathematical programming problem including this comparison as constraints is introduced. In...

rozdział

Application of Fuzzy Theory to the Investment Decision Process

Hiroshi Tsuda, Seiji Saito

Studies in Fuzziness and Soft Computing > Fuzzy Optimization > Applications > 365-387

In the present paper, we propose a new approach to portfolio optimization that allows portfolio managers to construct portfolios that reflect their views about risk assets by applying fuzzy theory. The proposed approach to the investment decision process is based on the mean-variance approach proposed by Markowitz (1952,1959) and uses the concept of asset market equilibrium proposed by Sharpe (1964)...

rozdział

Identification of Biomarkers for Clear Cell Ovarian Adenocarcinoma

Samuel C. Mok, Michael P. Stanley, Hiroshi Tsuda, Michael J. Birrer

Methods of Cancer Diagnosis, Therapy and Prognosis > Methods of Cancer Diagnosis, Therapy, and Prognosis > Ovarian Cancer > 4-12

Ovarian cancer is the fifth most common form of cancer in women in the United States, accounting for 4% of the total number of cancer cases and 25% of those cases occur in the female genital tract. Because of its low cure rate, it is responsible for 5% of all cancer deaths in women. It was estimated that 12,180 deaths would be caused by ovarian cancer in the year 2006 (Jemal et al. 2006). Epithelial...

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Clear Cell Carcinoma of the Ovary

Toru Sugiyama, Hiroshi Tsuda

Rare and Uncommon Gynecological Cancers > Ovarian Rare Cancers > 91-103

Clear cell carcinoma of the ovary (CCC) was initially termed as “mesonephroid” by Schiller in 1939 because it was believed to originate from mesonephric structures and resembled renal carcinoma. Since 1973, CCC has been recognized by the World Health Organization’s classification of ovarian tumors as a distinct histologic entity [1]. Recently, CCC, which frequently appears during stage I, has been...

artykuł

Morphology control of BiFeO₃ aggregates via hydrothermal synthesis

Kazumasa Suzuki, Yasuaki Tokudome, Hiroshi Tsuda, Masahide Takahashi

Journal of Applied Crystallography > 49 > 1 > 168 - 174

The assembly of crystalline building units with specific shape‐derived properties into aggregates is often required to broaden their practical applications because the properties of the building units can be fully integrated and used in the aggregates owing to their orientation. Herein, morphology‐controlled BiFeO₃ aggregates composed of oriented crystalline building units were fabricated via a hydrothermal...

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A Route Recommendation System for Sightseeing with Network Optimization and Conditional Probability

Takashi Hasuike, Hideki Katagiri, Hiroe Tsubaki, Hiroshi Tsuda

2015 IEEE International Conference on Systems, Man, and Cybernetics > 2672 - 2677

2015 IEEE International Conference on Systems, Man, and Cybernetics (SMC)

This paper proposes a route recommendation system for sightseeing based on a network optimization problem. Traveling and sightseeing times are randomly changed dependent on current traffic and congestion conditions, and hence, Time-Expanded Network (TEN) to contain a copy to the set of nodes in the underlying static network for each discrete time step is introduced. In addition, in order to select...

rozdział

Transmission characteristics of circular waveguide with coaxial-to-circular waveguide transitions

Tetsuya Yamamoto, Kei Urabe, Hiroshi Tsuda

2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting > 1050 - 1051

2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting

The reflection and transmission characteristics of a circular waveguide with coaxial-to-circular waveguide transitions are evaluated using Galerkin's method of moments. Because of the axisymmetric structure as well as the assumption of a TEM-mode incident wave, which is an axisymmetric mode, the scattered waves from the structural discontinuities can be expressed as axisymmetric modes; therefore,...

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Statistical analysis of the influence of capital structure on stock price

Tatsuya Kawai, Hiroshi Tsuda

2014 IEEE 7th International Workshop on Computational Intelligence and Applications (IWCIA) > 165 - 169

2014 IEEE 7th International Workshop on Computational Intelligence and Applications (IWCIA)

This paper estimates how the capital structure of a company influences its stock price. To raise corporate valuation, which is better for the company, using equity capital or liabilities? To answer this question, we estimated the optimal amount of liabilities in terms of tax benefit. Then we analyzed how the gap between the optimal amount and the actual amount of liabilities influences stock price.

rozdział

Sightseeing route planning problem by electric vehicle on the Time-Expanded Network

Takashi Hasuike, Hiroe Tsubaki, Hideki Katagiri, Hiroshi Tsuda

2014 IEEE 7th International Workshop on Computational Intelligence and Applications (IWCIA) > 147 - 152

2014 IEEE 7th International Workshop on Computational Intelligence and Applications (IWCIA)

This paper proposes a sightseeing route planning problem by electric vehicle with time-dependency of traveling times between any two sightseeing sites. In order to represent the time-dependency, Time-Expanded Network (TEN), which contains a copy to the set of nodes in the underlying static network for each discrete time step, is introduced. In addition, it is hard for the tourist to set satisfaction...

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MATHEMATICAL PROGRAMMING (7)
PLANNING (7)
EDUCATIONAL INSTITUTIONS (6)
MATHEMATICAL MODEL (6)
LINEAR PROGRAMMING (5)
OVARIAN CANCER (5)
LEUKOCYTAPHERESIS (4)
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TIME-EXPANDED NETWORK (TEN) (4)
D. NON-DESTRUCTIVE TESTING (3)
INTERACTIVE ALGORITHM (3)
OPTIMIZATION (3)
P53 PATHWAY (3)
PARETO OPTIMIZATION (3)
RANDOM FUZZY VARIABLE (3)
ROUTE PLANNING FOR SIGHTSEEING (3)
SYSTEMIC LUPUS ERYTHEMATOSUS (SLE) (3)
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ALGORITHM DESIGN AND ANALYSIS (2)
CLEAR CELL ADENOCARCINOMA (2)
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