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Megumi Kazama, Masahito Kitamura
Session ID: P-1
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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Conventional consumption functions are obtained by solving the condition that the Cobb-Douglas utility function is maximized under the budget constraint equation. Nakazawa (2014) constructed a model in which the consumption in the utility function is replaced by its ratio or difference to the reference point, based on the prospect theory. Here, only the past consumption is considered as the reference point. In reality, however, not only the past consumption but also the consumption of others becomes the reference point, and may affect the satisfaction of people. In this research, we extend the model of Nakazawa (2014) and construct a model that considers both past consumption and consumption of others as a reference point.
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Toward Improving Efficiency of Clinical Trial and Strengthening Japanese Industrial Competitiveness
Kotaro Miyake, Osamu Sudoh
Session ID: P-2
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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International competition in the pharmaceutical industry is becoming more intense, and Japanese companies are required to become more competitive than ever before. In order to maintain a high level of competitiveness, it is necessary to improve efficiency further, and the utilization of IT is an important means of achieving this. There are many different opinions on the impact of IT investment on enterprise productivity, but IT investment in Japan has not sufficiently realized the expected effects. In this study, we analyzed the impact of previous IT investments on industry productivity and examined the impact of IT investments on competitiveness through economic measures as an indicator of enterprise competitiveness.
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Haruka Ohba, Koji Ishizuka, Kaori Nishida, Takayuki Ohishi, Shinya Miz ...
Session ID: P-3
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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The importance of school lunch has been increasing in recent years. In this study, we analyzed the leftovers food using the data science and considered the future approach to providing the school lunch that is desirable for children. Feeding leftovers data we used were provided by Fukuroi City, Shizuoka. From the basic analysis, we showed not only the weight of the leftovers but also the necessity of analysis for each nutrient. And using the school lunch instruction standard, we checked the state of intake of necessary nutrients. In the future we will increase the number of data and analyze throughout the year. We also would like to consider the relevance to climate, events, and growth by linking with open data.
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Noriaki Maeda, Kei Kawamura
Session ID: P-4
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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The communication fitting company organization is indispensable for performance of asset management systems in social infrastructure facilities. However, the conversion to new generation have the problems of transmission on information and technology for the people in enforcement layer. Only the communication and the stable role of player on each layer are effective method supporting and stabilizing the company organization. This paper suggests on the concrete image of innovation communication on performance of asset management systems in viewpoint of decreasing worker and accruing to IoT society with the structure of company organization in new generation.
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Kiyotaka Shin, Aiko Suge, Yasuo Yamashita, Hiroshi Takahashi
Session ID: P-5
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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This research aims to improve the services of the food-service industry so it can lead to better management.
The labor productivity of the food-service industry in Japan is very low, has long suffered from lack of personnel and continues to struggle maintaining talent.
In order to solve this issue, this research attempts to come up with new sales strategies by analyzing POS data and clarifying the purchasing behavior of each product target.
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Seiji Sasaki, Masayoshi Moteki, Yusuke Takashima, Yasuyuki Shirai, Yus ...
Session ID: P-6
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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Conventionally, we need to have an additional investigation to measure customer loyalty. The purpose of this study is to develop indices to evaluate customer loyalty using only the purchase history related to services. These indices quantitatively evaluate the intensity of loyalty and the signal of change by using the data of customer visit and staff nomination. We analyzed customer loyalty of a hair salon chain by using these indices, and evaluated the tendencies of customer loyalty within customers, staffs, and salons.
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Moe Unno, Haruka Ohba, Shinya Mizuno
Session ID: P-7
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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Today, universities are actively making their lectures accessible to the
public. This research will use timestamps and eye-tracking in order to measure the utilization of video content. A timestamp in this context refers to elapsed time since the start of the video, and it is linked to a viewer. By using this timestamp, it be able to clarify their previously vague ideas in a relatively clear manner. On the other hand, Eye tracking can visualize the potential movement of video viewers and clarify viewers' focus points. And we can feed back to lecture material. We will also construct a platform where this timestamp and eye-tracking can be utilized, and support wide-ranging utilization of video content.
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Liliko Takayama, Aiko Suge, Hiroshi Takahashi
Session ID: P-8
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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Research on the association between stock price volatility and news data is popular and numerous studies have been conducted. In a recent paper, authors have focused on Korean stock market and studied the association between news on individual companies and stock price volatility. This paper uses tick data and aims to improve text categorization through LSTM model by classifying news data to macroeconomic news and individual companies news.
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Up-to-date contents and future issues
Shoji Konno, Junichi Iijima, Satoru Myojin, Tsutomu Fujinami
Session ID: 1C-1
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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We will focus on research and discussion about IT-CMF and the related assessment tools developed by IVI, Ireland. In the recent years, domestic application cases have started to appear.
In this session, we will report the outline of IT-CMF and the related assessment, current results, and issues. Also, participants discuss issues, the possibility of applying IT-CMF, etc. in this area.
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Katsuyuki Umezawa, Takashi Ishida, Makoto Nakazawa, Shigeichi Hirasawa
Session ID: 1G-1
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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Flipped classrooms have recently begun to attract attention. We have proposed a “grouped flipped classroom" in which students are classified into multiple groups based on the relationship between learning time and comprehension level at self-study. We applied this method to the actual lesson and evaluate the effectiveness of our proposed method.
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Takashi Ishida, Katsuyuki Umezawa, Tomohiko Saito, Makoto Nakazawa, Sh ...
Session ID: 1G-2
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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In this presentation, we report the results of analyzing the relationship between student's characteristics and learning behavior based on programming editing log, questionnaire, results of basic achievement of academic test, and pattern of electroencephalogram.
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Makoto Nakazawa, Katsuyuki Umezawa, Shigeichi Hirasawa
Session ID: 1G-3
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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Learning Analytics using logs is an important issue in order to realize the adaptive learning support system. We have been working on constructing a learner model based on browsing history log of high granularity on electronic learning materials and analyzing learners based on editing history log which recorded the transition of source code during programming learning. By analyzing these learning logs individually, we have already shown that it is possible to estimate learners' individual missteps and weak points partially.
In this study, by combining these learning logs we will try to grasp learning conditions of the learners more precisely than ever before. Then we discuss ways to accurately analyze the status of individual learners.
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Tomohiko Satio, Katsuyuki Umezawa, Takashi Ishida, Makoto Nakazawa, Sh ...
Session ID: 1G-4
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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It is known that brain waves are closely related to emotions of human. The authors held “Matsudai science seminar" and gave lectures about computer programming for high school students living in Matsudai area of Niigata prefecture in Japan. In addition, we collected data about brain waves of the students learning computer programming and analyzed these data. In this paper, we firstly summarize results of previous questionnaires and tests, which the students firstly answered in this seminar. We secondly analyze relations between brain waves and the results of questionnaires and tests.
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Hirokazu Tanaka, Yasushi Mssuda, Sanetake Nagayoshi
Session ID: 1H-1
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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By the Tokai branch sponsorship,we hold a workshop about something with an innovation.
First, three presenters offer subject from the each viewpoint of a system side, a culture side , and a case study.
Next, participants perform exchange of opinions freely based on the subject.
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Transformation of Manufacturer to Manufacture-Service Company That Keeps Step with Demand Process
Ryo Sato
Session ID: 1A-5
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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The application area of IoT and big data for manufacturers is not limited to maintenance service. IoT and big data bring us two kind of revolutionary opportunity to transform manufacturing to manufacture service. The one opportunity can be expressed as “the change from demand forecast to demand monitoring." Another opportunity is based on progress of social decomposition of a business organization into a combination of many types of platform businesses. It allows an organization to use specific expertize of respective platforms, as like a product can be composed of superior parts and softwares.
The above revolutionary opportunity also requires change at corporate strategy and operations management. We will examine the business process with integration of MRP model and lean system to open the door.
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Consideration on digital innovation management based on distributed agency
Hiroshi Takahashi
Session ID: 1A-6
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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Through advances in digitalization, companies that succeed in achieving innovation utilizing developers outside the company (an example of distributed agency) are conspicuous. This trend reaches not only to huge IT companies such as Apple, Google, Amazon, but also the automotive industry which has the basic physical elements and the new topic, such as self driving etc. As a result, recent innovation is considered to have stepped up the new stage. But its actual condition is unclear. Therefore, in this paper, I outline the automobile industry from the viewpoint of distributed agency which preceded in the IT industry, and consider digital innovation management in existing industry which basically includes physical elements.
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To keep value as learning
良且 春木, Takashi Matsuo, Hirotaka Ito, Haruyuki Seki, Yayoi Tanaka, Tomo ...
Session ID: 1C-5
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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"Social collaborative PBL research group" has conducted many case studies and analyzes through three years of activities. The PBL itself that sets tasks from sectors outside the school itself has been generalized at the educational setting but some of them are of little value as learning can also be found.
We do not deny the significance of their existence, when considering it as a part of education in particular, the disagreement of objective, conflict and problems, etc. in collaboration between social side and educational institution have become visible.
In this session, we will consider new forms of learning that should be done and the role of the university through practical examples, with particular emphasis on "social issues, public issues".
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Impact on employee satisfaction, customer satisfaction, employee behavior, and business performance by relationships
Tomonori Matsuki, Jun Nakamura
Session ID: 1K-5
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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There is serious human resources shortage in the Japanese food service industry. Whether or not labor can be secured in this labor-intensive industry is the biggest problem in the growth of the business. This research investigates some of relationships within organizations in Japan food service industry. Relationships have an huge impact on employee satisfaction, customer service behavior, satisfied customers, and future business performance of non-regular employees. In this research, a questionnaire survey was conducted for the employees of the three companies. The results of the calculation were applied to the model and analyzed through covariance structure analysis.
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The Case of Small and Medium-sized Manufacturers in Tohoku Area
Shuhei Kudo
Session ID: 1K-6
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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The purpose of this study is to assess ICT utilization in a company in terms of organizational maturity for business-ICT alignment. A company must improve the level of business-ICT alignment organizational process for effective ICT investments. This study employs five constructs: top management leadership, communication, ICT infrastructure development, outsourcing, and ICT risk management to measure the maturity. Questionnaire survey is conducted to gather data from late June 2017 through late July 2017. 1200 small and medium manufacturers in Tohoku district are selected as the sample and 233 valid responses are received. Results show that the level of ICT outsourcing is lower compared to top management leadership and communication.
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Shigeichi Hirasawa, Gendo Kumoi, Manabu Kobayashi, Masayuki Goto, Hiro ...
Session ID: 1L-5
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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Performance of Multi-level classification systems constituted by a plural number of binary classifiers usually called ECOC (Error Correcting Output Codes) is discussed and evaluated, assuming the M-dimensional Normal Distribution for a classification data model with M (? 3) categories. First, we show that the probability of classification error Pe and the number of classifiers N are in a trade-off relationship. Next, we apply this result to the system evaluation model and clarify the behavior when M becomes large. As with the case of benchmark data (document classification task), it shows that it has also desirable properties such as "flexible" and "elastic".
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Hodaka Matsushita, Takaki Hayashi
Session ID: 1L-6
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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As of the end of October 2017, the utilization rate of ETC 2.0 is about 15%, which is getting widespread at a faster rate than at the time of ETC spread. Since the ETC 2.0 probe data used in this study has 400 GB for one month and it is difficult to use it as it is, from 10 April 2015 to March 2016 in 10 tourist spots Analysis was conducted focusing on the number of reckless driving. In this research, we propose a reckless driving degree scoring system for each driver, taking into consideration the influence of places for each tourist spot and the weather, using ETC 2.0 data.
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Kanji Amemiya
Session ID: 2C-1
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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Using and building upon the framework of innovation created by Clayton M. Christensen, I attempted to shed light upon the factors related to what kind of innovation regarding iMac, iPod, iPhone and iPad Apple has developed since 1998, and how Apple has secured a Competitive Advantage.
I proved that the iPod, iPhone and iPad have all been New-market disruptions, which I stated before Christensen's thesis was published in September 2016.
The results of my analysis show that these three products can be categorized as New-market disruptions based on their use of Networking Services like the App Store.
I believe that my analysis is more accurate than that of Christensen due to the factor analysis I performed and the logic verification of my analysis.
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Focusing on "Katari = Antenarrative" of the Second Company President in Small and Medium Enterprises
Junko Miyamoto, Yasushi Masuda
Session ID: 2C-2
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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In recent years, many researchers have shown an interest in "interactive" communication as the collaboration between different fields to promote innovation. Through the collaborations, there are successful cases, for example, of a person in succession to a company, having met with success due to collaboration between different fields. In this study, we carried out interview investigations on what kind of "Katari" = "Antenarrative" ("Interactive" communication) in a process of new technology development, and analyzed the characteristic of "Katari" that was a turning point. We showed that transformation of the information value influenced promotion of the new technology development and in this way considered their behavior pattern from the viewpoint of "Katari".
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Shinji Watanabe
Session ID: 2C-3
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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The block chain is an autonomous decentralized database with a tamper resistant data structure in which data agreed upon by all the participants is registered. Block chain technology has been applied not only to the financial industry but also to various field. This research aims to analyze the evaluation of the stock market for the promotion of Block chain technology. For the analysis, we use the method of event study.
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Takumi Kato, Kazuhiko Tsuda
Session ID: 2K-1
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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As the growth of IT, Web advertisement continues to grow. The cost of Web advertising media in Japan reached 1.2206 trillion yen in 2017. This was 23.6% of total advertising expenditure. On the other hand, the higher involvement products, the less likely to purchase impulsively due to touching the advertisement. Those who search information spontaneously can be expected purchasing behavior. However, there are few examples that quantitatively validated it. Therefore, focusing on the Japanese automobile industry, we validated the difference of purchasing behavior (estimation of price on the web) between customers induced by web advertisements and customers who voluntarily search information.
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Ken Ishibashi
Session ID: 2K-2
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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The purpose of this study is to reduce the difficulty of survey experiment on human behavior. In real world, there are many constraints on a survey experiment. In a case of supermarket, the survey experiment must be performed with keeping the sales of store. Thus, researchers cannot examine consumer behaviors on sales reduction in field experiment. We apply a virtual reality headset with eye-tracking to collect data. This device can observe participant's eye movements and position in a virtual space. In this paper, the availability of our proposition for a survey experiment is discussed by constructing a prototype system for data collection.
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Yuta Kaneko, Ken Ishibashi, Katsutoshi Yada
Session ID: 2K-3
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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In this research, we analyzed the relationship between gaze duration and the selection of items by using eye-tracking data acquired at a supermarket. We construct a model that shows the relationship between gaze duration and purchase result. We consider the influence of gaze duration on purchase result depending on product categories.
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Expansion of applicable scope of deep learning
Hiroshi Kaizuka, Masamichi Mukai
Session ID: 2A-1
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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Since image annotation work in image classification is expensive, the number of labeled images is small compared to the number of unlabeled images. In this paper, we propose a new unsupervised learning ASL (auto-similarity learning) in order to effectively use large amounts of unlabeled images. ASL learns image similarity between real image and masked image by generating multiple masked images in which some pixels are replaced with random numbers from pixel values of real image. By simultaneously executing ASL and ‘supervised learning using labeled image', we construct semi - supervised learning which realizes a neural network with high generalization.
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Hiroko Ozaki, Keisuke Iwamoto
Session ID: 2A-2
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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Text mining, the technique to find valuable information from text data, is derived from data mining which handle numerical data. These days, it is used for free writing of questionnaires, technical papers, patent data, talking data and so on.
We develop and sell text mining software for a wide use,
Text Mining Studio(TMS), and it is used by many industries and fields. In this paper, we introduce TMS and its related solution and also explain analysis flow of text mining and its important point.
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The abductive model of negative network effects
Kato Kazuhiko
Session ID: 2A-4
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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The purpose of this paper is to propose hypotheses about a mechanism that interferes with positive same side and cross side network effects in the two-sided platform strategy. This is caused by the "derivative species" made from the OS, applications, etc., which are complementary products running on platform products in the tow-sided platform strategy in the software industry. Then, the paper exemplifies the case and confirms the relationship between the development motivation of the developer who produces the complementary product and the diversity of the platform product. Finally, the paper derives platform strategy implications for platformers (platform providers).
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Koki Yodokawa
Session ID: 2A-5
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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A Definition of Digitization is ‘Using progressive IT, Gather & Interpret Data of things and human, Find implications, and Control suitably'. Digital Transformation is creation of Business Value by new product and new business process, and challenge to Uncertainty. Management of investment for Digital Transformation is different from IT investment for business administration and efficiency. This paper shows classification of investment, portfolio management, stage gate management, and value evaluation for Digital Transformation.
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The Required change for IT Divisions in the Digital Transformation Age
Munehira Toshimi
Session ID: 2A-6
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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Bimodal IT was born by creating a "fast" IT function that sat parallel to the "slow" IT function to meet up with the requirements from technology organization. But to catch up with the Digital Transformation, another faster approach is required.
In this paper we describe the characteristics of the systems for the digital transformation and then show the Pace Layered Approach fits to manage these systems, and show the example of a new organization for IT division .
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The Comparative Analysis of the Case Studies in Japan and China
Tetsuya Uchiki, Lu Wang
Session ID: 2C-4
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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The celebrity TV-CMs have been made and broadcasted all over the world, expecting great influence. However, the social contexts which catch the influence differ greatly in Japan and many other countries. In China, the responsibility for their influence use is also investigated to the celebrities of the CM at the time of the occurrence of a scandal. On the other hand, the celebrity is considered one of the victims and supported by audiences in Japan. The difference should be thought as the difference in the way to catch the celebrities as professionals rather than an affective reaction. This paper describes the feature of the social context of Japan based on comparison of the SNS messages to the celebrity CMs of scandal companies in Japan and China.
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Masami Honda, Yuya Kajikawa
Session ID: 2C-5
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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When a new policy is adopted, it is not clear in advance which department will be in charge of it. In particular, in the case of policies involving multiple departments, which department will be in charge will be management decision as an organization. In this research, regarding the decision process of policy department, we focus on open data which is considered to be a policy issue related to information and communication policy. We conduct a case analysis on which department in the municipality has been in charge of the open data department. The purpose of this research is to consider how to respond as an organization to newly emerging policy issues.
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Akiko Miyazaki, Shin Murakami, Yosuke Suzuki, Takashi Iwamoto
Session ID: 2C-7
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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As a factor related to employee's wellness, engagement defined as "a state of being energetic from work, feeling pride in work, employees working lively" has been attracting more attention from the industry. This study was designed to clarify factors related to engagement together with lifestyle, physical and mental factors. A self-reported questionnaire, FiNC Wellness Survey, was administered to 868 employees from 4 companies who signed the informed consent. Scale value was statistically analyzed in this study. The result showed that better lifestyle, physical and mental factors were related to higher engagement. It indicates that there is a possibility that engagement can be strengthened by accumulating improvement of lifestyle which is relatively easy to improve.
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Shoei Komatsu
Session ID: 2K-4
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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Now the New Industrial Revolution is in progress in each country under the cooperation of industry, government and academia. Together with advances in information and communication technologies such as IoT / CPS, this industrial revolution is giving great influences to the industrial society, the consumer society, and the whole society as well. Of course, promotion is done by many corporate organizations including individuals who carry on business. Regardless of the customary term definition, consider business computing from a more comprehensive viewpoint.
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Atsutoshi Oshima
Session ID: 2K-5
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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In the period of uncertain and global business situation, the issue of next business leader development has been strategically important. Since around year 2000, many large Japanese companies have developed the program for developing next generation leaders.
Based on case studies and survey, this paper aims to analyze the status and strategic importance of next leaders development program and propose approach for improvement.
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Atsutoshi Oshima
Session ID: 2K-6
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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A Study on Tourism Promotion for Local Revitalization by University-Industry Alliance
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On Some Crops Held in Far from Kanto area Under Depopulation
Nobuko Inagaki
Session ID: 2K-7
Published: 2018
Released on J-STAGE: August 31, 2018
CONFERENCE PROCEEDINGS
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Now in Japan main kinds of vegetable is monitored in production and shipment at quantity and price on the farming municipal registration system. They are often at local land as to agro diversity and sustainability, also for all year availability and climate risk hedge. Under local especially agro shrinking any entity would manage farming to in-area consumption including industrial use. Megalopolis faces on realistic goals on their food security possibly taken by nearer places following SDGs. Current cases I investigate to try to argue.
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