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Noboru Koshizuka


Publications by Noboru Koshizuka (bibliography)

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Bessho, Masahiro, Kobayashi, Shinsuke, Koshizuka, Noboru and Sakamura, Ken (2008): Assisting mobility of the disabled using space-identifying ubiquitous infrastructure. In: Tenth Annual ACM SIGACCESS Conference on Assistive Technologies 2008. pp. 283-284. http://doi.acm.org/10.1145/1414471.1414539

In achieving the mobility assistance for the individuals with different disabilities, it is required to recognize places with different granularities defined based on human interest, which is hard to be accomplished using traditional GPS-based approaches. In order to meet this requirement, a space-identifying ubiquitous infrastructure designed upon the concept of the universal design has been proposed, which is capable of constructing a service that is aware of places of human interest using ubiquitous computing technologies. Upon this infrastructure, two case studies are performed in the existing civil space, consisting of a pedestrian navigation service for the individuals with different needs, and a mobility assistant service for the visually-impaired. Through these case studies, the possibilities of the proposed infrastructure are discussed.

© All rights reserved Bessho et al. and/or ACM Press

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Koshizuka, Noboru and Sakamura, Ken (1996): Multiuser interface architecture using structured distributed shared memories. In: Bass, Leonard J. and Unger, Claus (eds.) Engineering for Human-Computer Interaction, Proceedings of the IFIP TC2/WG2.7 Working Conference on Engineering for Human-Computer Interaction August, 1996, Yellowstone Park, USA. pp. 271-290.

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Koshizuka, Noboru and Sakamura, Ken (1993): Window Real-Objects: A Distributed Shared Memory for Distributed Implementation of GUI Applications. In: Hudson, Scott E., Pausch, Randy, Zanden, Brad Vander and Foley, James D. (eds.) Proceedings of the 6th annual ACM symposium on User interface software and technology 1993, Atlanta, Georgia, United States. pp. 237-247. http://www.acm.org/pubs/articles/proceedings/uist/168642/p237-koshizuka/p237-koshizuka.pdf

This paper proposes a distributed shared memory, Window Real-Object (WRO), which facilitates the construction of GUI applications with a set of cooperating parallel units running on multiple machines. To support unit cooperation, the WRO provides a shared data structure storing interaction objects displayed in a window among multiple machines. It also provides an event mechanism called abstract events to support control transfer among these units. Abstract events are generated when the shared data structure is updated, and invoke the units sharing the WRO. Both the function and mechanism of the WRO are tailored for GUI applications. The WRO provides spatial addressing to the data structure, which is implemented efficiently using an R-tree. It also adopts a full-replication algorithm as a shared-memory coherence scheme. Consequently, the WRO can be implemented with adequate performance on a usual workstation environment.

© All rights reserved Koshizuka and Sakamura and/or ACM Press

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