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Dive into the research topics where Akira Sakatoku is active.

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Featured researches published by Akira Sakatoku.


web intelligence | 2010

Knowledge Oriented Network Fault Resolution Method Based on Active Information Resource

Yusuke Takahashi; Daisuke Misugi; Akira Sakatoku; Akihiro Satoh; Akiko Takahashi; Kazuto Sasai; Gen Kitagata; Toru Abe; Tetsuo Kinoshita

To reduce the loads imposed on network administrators, we have proposed AIR-NMS, which is a network management support system (NMS) based on Active Information Resource (AIR). In AIR-NMS, various information resources (e.g., state information of a network, practical knowledge of network management) are combined with software agents which have the knowledge and functions for supporting the utilization of the resources, and thus individual resources are given activities as AIRs. Through the organization and cooperation of AIRs, AIR-NMS provides the administrators with practical measures against a wide range of network faults. To make AIR-NMS fit for practical use, this paper proposes a method for achieving the effective installation and utilization of the network management knowledge needed in AIR-NMS.


Journal of Internet Technology | 2012

3D Symbiotic Environment for Agent-Aided Collaborative Work

Akira Sakatoku; Toshiaki Osada; Gen Kitagata; Norio Shiratori; Tetsuo Kinoshita

Recently, collaborative work environments using Augmented Reality is expected to realize effective collaborative works. However, these environments have some limitations. One of the limitations is the restricted availability of devices. Devices which have no ability of the real-space information sensing cannot be used for these environments. Another limitation is low usability. It is difficult for novice computer users to utilize these environments, because these environments are specifically designed for computer professionals. To overcome these limitations, we propose a construction scheme of 3D symbiotic environment. 3D symbiotic environment is a collaborative work environment which is based on the concept of symbiosis between the real space and digital spaces. 3D symbiotic environment enables users to do collaborative works intuitively as if virtual spaces are integrated with the real space. First, we present the fundamental technologies for 3D symbiotic environment. Next, we show the design and implementation of the prototype system which includes collaborative work supporting agents. Finally, we confirmed the feasibility of 3D symbiotic environment with experimental results of the prototype system.


international conference on distributed computing systems workshops | 2008

Open 3D Shared Space Construction Scheme for Symbiotic Collaborative Works

Takayuki Kuroda; Akira Sakatoku; Gen Kitagata; Debasish Chakraborty; Norio Shiratori

In this paper, we propose an open 3D shared space construction scheme based on the concept of symbiotic computing which we have been promoting. Existing 3D collaborative work supporting systems have some limitations with their 3D shared space construction and inter-application cooperation because these systems are basically closed nature. To break these limitations, we are developing symbiotic collaborative work supporting system which can effectively support remote collaborative work. Our scheme enables us to easily and flexibly build collaborative work environment by reusing and combining space definitions and applications designed by the general public such as WWW environment. In addition, we describe design and implementation of a prototype system, and confirm feasibility of our proposed scheme through experiments by using the prototype system.


international conference on computational science and its applications | 2010

3D collaboration environment based on real space and digital space symbiosis

Gen Kitagata; Akira Sakatoku; Akifumi Kawato; Toshiaki Osada; Tetsuo Kinoshita; Norio Shiratori

In this paper, we propose 3D symbiotic collaboration environment which is based on concept of real and digital spaces symbiosis. Collaboration environments which are using Augmented Reality have been expected to realize effective collaborative works. However, the construction of these environments has a limitation, because devices which do not have an ability of sensing the real-space information cannot be used for these environments. To break this limitation, we propose the 3D symbiotic collaboration environment which enables users to do collaborative works intuitively as if 3D digital spaces united with the real space. In this paper, we present fundamental technologies for 3D symbiotic collaboration environment. In addition, we show the design and implementation of the prototype system, and confirm feasibility of 3D symbiotic collaboration environment with experimental results of the prototype system.


ieee international conference on cognitive informatics | 2010

3D Symbiotic space for agent-aided collaborative work

Akira Sakatoku; Akifumi Kawato; Toshiaki Osada; Gen Kitagata; Tetsuo Kinoshita

In this paper, we propose 3D space which is based on concept of real and digital spaces symbiosis. Recently, collaborative work environments which are using Augmented Reality have been expected to realize effective collaborative works. However, these environments have some limitations. One of limitations is restricted availability of devices, and another limitation is low usability. Because of these limitations, it is difficult to utilize these environments, for general users. To break these limitations, we propose the construction scheme of 3D symbiotic space. Collaborative work environments based on 3D symbiotic space enable users to do collaborative works intuitively as if virtual spaces united with the real space. First, we present fundamental technologies for 3D symbiotic space. Next, we show the design and implementation of the agent-aided collaborative work environments based on 3D symbiotic space. Finally, we confirm feasibility of 3D symbiotic space with experimental results.


annual acis international conference on computer and information science | 2010

Agent-Aided 3D Symbiotic Space

Akira Sakatoku; Toshiaki Osada; Gen Kitagata; Norio Shiratori; Tetsuo Kinoshita

In this paper, we propose 3D space which is based on concept of real and digital spaces symbiosis. Recently, collaborative work environments which are using Augmented Reality have been expected to realize effective collaborative works. However, these environments have some limitations. One limitations is restricted availability of devices, and another limitation is low usability. Because of these limitations, it is difficult to utilize these environments, for general users. To break these limitations, we propose the construction scheme of 3D symbiotic space. Collaborative work environments based on 3D symbiotic space enable users to do collaborative works intuitively as if virtual spaces united with the real space. First, we present fundamental technologies for 3D symbiotic space. Next, we show the design and implementation of the agent-aided collaborative work environments based on 3D symbiotic space. Finally, we confirm feasibility of 3D symbiotic space with experimental results.


Proceedings of the 4th International Conference on Ubiquitous Information Technologies & Applications | 2009

3D Symbiotic Environment for Collaborative Work

Akira Sakatoku; Akifumi Kawato; Toshiaki Osada; Gen Kitagata; Norio Shiratori; Tetsuo Kinoshita

Collaborative work environments which are using Augmented Reality have been expected to realize effective collaborative works. However, the construction of these environments has a limitation, because devices which do not have an ability of sensing the real-space information cannot be used for these environments. To break this limitation, we propose the construction scheme of 3D symbiotic environment. 3D symbiotic environment enables users to do collaborative works intuitively as if virtual spaces united with the real space. In this paper, we present fundamental technologies for 3D symbiotic environment. In addition, we show the design and implementation of the prototype system, and confirmed feasibility of 3D symbiotic environment with experimental results of the prototype system.


ieee international conference on cognitive informatics | 2008

Flexible open 3D digital space combination scheme for symbiotic collaborative works

Takayuki Kuroda; Akira Sakatoku; Gen Kitagata; Debasish Chakraborty; Norio Shiratori

In this paper, we propose a flexible open 3D digital space combination scheme based on the concept of Symbiotic Computing which we have been promoting. Existing 3D collaborative work supporting systems have some limitations with their 3D digital space construction and inter-application cooperation because these systems have basically closed nature. To break these limitations, we are developing symbiotic collaborative work supporting system which can effectively support remote collaborative work. Our scheme enables us to easily and flexibly build collaborative work environment over the Internet by reusing and combining 3D structure definitions and applications designed by the general public such as WWW environment. In addition, we describe design and implementation of a prototype system, and confirm effectiveness of our proposed scheme through experiments by using the prototype system.


symposium on applications and the internet | 2010

An Overlay Authentication Network for Active Utilization of Private Information

Akihiro Nakarai; Akira Sakatoku; Atsushi Takeda; Gen Kitagata; Debasish Chakraborty; Kazuo Hashimoto; Norio Shiratori


IAT | 2010

Knowledge Oriented Network Fault Resolution Method Based on Active Information Resource.

Yusuke Takahashi; Daisuke Misugi; Akira Sakatoku; Akihiro Satoh; Akiko Takahashi; Kazuto Sasai; Gen Kitagata; Toru Abe; Tetsuo Kinoshita

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