Publication statistics

Pub. period:1992-2007
Pub. count:19
Number of co-authors:17


Number of publications with 3 favourite co-authors:

Hideki Koike:
Emiko Orimo:
Koji Tsukada:



Productive colleagues

Toshiyuki Masui's 3 most productive colleagues in number of publications:

Takeo Igarashi:66
Hideki Koike:40
Itiro Siio:22

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Toshiyuki Masui

Has also published under the name of:
"T. Masui"


Publications by Toshiyuki Masui (bibliography)

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Orimo, Emiko, Koike, Hideki, Masui, Toshiyuki and Takeuchi, Akikazu (2007): Analysis and Evaluation of Recommendation Systems. In: Smith, Michael J. and Salvendy, Gavriel (eds.) Symposium on Human Interface 2007 - Part I July 22-27, 2007, Beijing, China. pp. 144-152.

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Eto, Kouichirou, Takabayashi, Satoru and Masui, Toshiyuki (2005): qwikWeb: integrating mailing list and WikiWikiWeb for group communication. In: Proceedings of the 2005 International Symposium on Wikis 2005. pp. 17-23.,+Satoru+Takabayashi,+Toshiyuki+Masui.+%22qwikWeb+-+Integrating+mailing+list+and+WikiWikiWeb+for+group+communication.%22 Wiki Page

We have developed a new powerful group communication system qwikWeb, which is an integration of a WikiWikiWeb (wiki) and a mailing list system. Mailing lists are useful for exchanging dynamic information among people, but not useful for sharing static information. Wikis are useful for storing and editing static information on the Web, but sometimes people want to restrict the users or want to know who is responsible for the edited wiki page. Also, casual users cannot create a wiki site or a mailing list easily. We solved these problems by combining wiki and mailing list. Users of qwikWeb can create a wiki site and a mailing list simply by sending an e-mail message to the qwikWeb server, and start exchanging information by using the mailing list. All the messages sent to the mailing list are stored as newly created wiki pages, and they can be edited as standard wiki pages. In this paper, we describe the basic ideas, implementation details, and user experiences of the system.

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

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Masui, Toshiyuki, Tsukada, Koji and Siio, Itiro (2004): MouseField: A Simple and Versatile Input Device for Ubiquitous Computing. In: Davies, Nigel, Mynatt, Elizabeth D. and Siio, Itiro (eds.) UbiComp 2004 Ubiquitous Computing 6th International Conference September 7-10, 2004, Nottingham, UK. pp. 319-328.

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Masui, Toshiyuki and Takabayashi, Satoru (2003): Instant group communication with QuickML. In: Tremaine, Marilyn M. and Simone, Carla (eds.) Proceedings of the International ACM SIGGROUP Conference on Supporting Group Work 2003 November 9-12, 2003, Sanibel Island, Florida, USA. pp. 268-273.

A number of people are exchanging e-mail messages everyday using mobile phones and PDAs. as well as PCs. E-mail is useful not only for one to-one communication but group communication through mailing lists. However, conventional mailing lists are not as widely used as they should be, because creating and maintaining a mailing list is not an easy task. We propose a simple and powerful mailing list service system called QuickML, with which people can easily create a mailing list and control the member account only by sending e-mail messages. QuickML allows people to enjoy group communication at any place, at any time, and by anyone.

© All rights reserved Masui and Takabayashi and/or ACM Press

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Tsukada, K., Takabayashi, S. and Masui, Toshiyuki (2003): Dying Link. In: Stephanidis, Constantine (ed.) Proceedings of the Tenth International Conference on Human-Computer Interaction June 22-27, 2003, Crete, Greece. pp. 1353-1357.

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Masui, Toshiyuki (2001): HyperSnapping. In: HCC 2001 - IEEE CS International Symposium on Human-Centric Computing Languages and Environments September 5-7, 2001, Stresa, Italy. pp. 188-.

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Masui, Toshiyuki and Siio, Itiro (2000): Real-World Graphical User Interfaces. In: Thomas, Peter J. and Gellersen, Hans-Werner (eds.) Handheld and Ubiquitous Computing - Second International Symposium - HUC 2000 September 25-27, 2000, Bristol, UK. pp. 72-84.

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Masui, Toshiyuki (2000): Real-world programming. In: Designing Augmented Reality Environments 2000 2000. pp. 115-120.

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Siio, Itiro, Masui, Toshiyuki and Fukuchi, Kentaro (1999): Real-World Interaction using the FieldMouse. In: Zanden, Brad Vander and Marks, Joe (eds.) Proceedings of the 12th annual ACM symposium on User interface software and technology November 07 - 10, 1999, Asheville, North Carolina, United States. pp. 113-119.

We introduce an inexpensive position input device called the FieldMouse, with which a computer can tell the position of the device on paper or any flat surface without using special input tablets or position detection devices. A FieldMouse is a combination of an ID recognizer like a barcode reader and a mouse which detects relative movement of the device. Using a FieldMouse, a user first detects an ID on paper by using the barcode reader, and then drags it from the ID using the mouse. If the location of the ID is known, the location of the dragged FieldMouse can also be calculated by adding the amount of movement from the ID to the position of the FieldMouse. Using a FieldMouse in this way, any flat surface can work as a pointing device that supports absolute position input, just by putting an ID tag somewhere on the surface. A FieldMouse can also be used for enabling a graphical user interface (GUI) on paper or on any flat surface by analyzing the direction and the amount of mouse movement after detecting an ID. In this paper, we introduce how a FieldMouse can be used in various situations to enable computing in real-world environments.

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

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Masui, Toshiyuki (1999): POBox: An Efficient Text Input Method for Handheld and Ubiquitous Computers. In: Gellersen, Hans-Werner (ed.) Handheld and Ubiquitous Computing - First International Symposium - HUC99 September 27-29, 1999, Karlsruhe, Germany. pp. 288-300. http://

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Masui, Toshiyuki (1998): An Efficient Text Input Method for Pen-Based Computers. In: Karat, Clare-Marie, Lund, Arnold, Coutaz, Jolle and Karat, John (eds.) Proceedings of the ACM CHI 98 Human Factors in Computing Systems Conference April 18-23, 1998, Los Angeles, California. pp. 328-335.

Pen-based computing has not yet taken off, partly because of the lack of fast and easy text input methods. The situation is even worse for people using East Asian languages, where thousands of characters are used and handwriting recognition is extremely difficult. In this paper, we propose a new fast text input method for pen-based computers, where text is not composed by entering characters one by one, but by selecting words from a menu of candidates created by filtering the dictionary and predicting from context. Using our approach, users can enter Japanese text more than twice as fast as recognition-based and other existing text input methods. User studies and detailed analysis of the method are also given.

© All rights reserved Masui and/or ACM Press

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Masui, Toshiyuki (1998): Integrating Pen Operations for Composition by Example. In: Mynatt, Elizabeth D. and Jacob, Robert J. K. (eds.) Proceedings of the 11th annual ACM symposium on User interface software and technology November 01 - 04, 1998, San Francisco, California, United States. pp. 211-212.

We propose a new pen-based text input method, which is an integration of software keyboards, handwriting recognition, and marking menus. With our method, a user selects a word from a list of candidate words filtered from a dictionary by specifying spelling, pronunciation, or the shape of its characters. Users can easily switch between using a software keyboard and using handwriting recognition systems, by tapping or writing strokes in the same area. Users can also show a menu of candidate words around the pen by stopping pen movement during operation.

© All rights reserved Masui and/or ACM Press

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Masui, Toshiyuki (1998): LensBar - Visualization for Browsing and Filtering Large Lists of Data. In: InfoVis 1998 - IEEE Symposium on Information Visualization 19-20 October, 1998, Research Triangle Park, NC, USA. pp. 113-120.

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Koike, Hideki, Takada, Tetsuji and Masui, Toshiyuki (1997): VisuaLinda: A Framework for Visualizing Parallel Linda Programs. In: VL 1997 1997. pp. 176-182.

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Masui, Toshiyuki, Minakuchi, Mitsuru, Borden, George R. and Kashiwagi, Kouichi (1996): WING: A Multiple-View Smooth Information Retrieval System. In: Proceedings of the 19th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval 1996. p. 338.

WING (Whole Interactive Nara Guide) is a system to enable smooth information retrieval by integrating multiple search strategies such as 3-D map visualization, hypertext, keyword search, and category search with the same smooth zooming interface. Nara, located about 40 kilometers south of Kyoto, is an ancient capital of Japan and full of tourist attractions like old shrines and temples. Using WING, any vague knowledge about the data can be utilized to narrow the search space, and users can smoothly navigate through Nara at will, by modifying the search area in each view.

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

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Masui, Toshiyuki, Minakuchi, Mitsuru, Borden IV, George R. and Kashiwagi, Kouichi (1995): Multiple-View Approach for Smooth Information Retrieval. In: Robertson, George G. (ed.) Proceedings of the 8th annual ACM symposium on User interface and software technology November 15 - 17, 1995, Pittsburgh, Pennsylvania, United States. pp. 199-206.

Although various visualization techniques have been proposed for information retrieval tasks, most of them are based on a single strategy for viewing and navigating through the information space, and vague knowledge such as a fragment of the name of the object is not effective for the search. In contrast, people usually look for things using various vague clues simultaneously. For example, in a library, people can not only walk through the shelves to find a book they have in mind, but also they can be reminded of the author's name by viewing the books on the shelf and check the index cards to get more information. To enable such realistic search strategies, we developed a multiple-view information retrieval system where data visualization, keyword search, and category search are integrated with the same smooth zooming interface, and any vague knowledge about the data can be utilized to narrow the search space. Users can navigate through the information space at will, by modifying the search area in each view.

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

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Igarashi, Takeo, Matsuoka, Satoshi and Masui, Toshiyuki (1995): Adaptive Recognition of Implicit Structures in Human-Organized Layouts. In: VL 1995 1995. pp. 258-266.

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Masui, Toshiyuki (1994): Evolutionary Learning of Graph Layout Constraints from Examples. In: Szekely, Pedro (ed.) Proceedings of the 7th annual ACM symposium on User interface software and technology November 02 - 04, 1994, Marina del Rey, California, United States. pp. 103-108.

We propose a new evolutionary method of extracting user preferences from examples shown to an automatic graph layout system. Using stochastic methods such as simulated annealing and genetic algorithms, automatic layout systems can find a good layout using an evaluation function which can calculate how good a given layout is. However, the evaluation function is usually not known beforehand, and it might vary from user to user. In our system, users show the system several pairs of good and bad layout examples, and the system infers the evaluation function from the examples using genetic programming technique. After the evaluation function evolves to reflect the preferences of the user, it is used as a general evaluation function for laying out graphs. The same technique can be used for a wide range of adaptive user interface systems.

© All rights reserved Masui and/or ACM Press

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Masui, Toshiyuki (1992): Graphic Object Layout with Interactive Genetic Algorithms. In: Proceedings of the 1992 IEEE Workshop on Visual Languages September 15-18, 1992, Seattle, Washington, USA. pp. 74-80.

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