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Browsing 情報科学研究科 / Graduate School of Information Science by Submit Date

Browsing 情報科学研究科 / Graduate School of Information Science by Submit Date

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  • Goshiro Yamamoto,Angie Chen,Petri Pulli,Jaakko Hyry,Muhammad Zeeshan Asghar,Yuki Uranishi,Hirokazu Kato (IEEE, 2013-03)
    This paper presents a tele-guidance system for elderly people so that they can walk outdoors without an escort and their caregivers can monitor them or guide them from remote site when they are in a need of help. The feature ...
  • Kenta Oku,Shinsuke Nakajima,Jun Miyazaki,Shunsuke Uemura,Hirokazu Kato (ACM, 2008-01)
    We propose a ranking method using a Support Vector Machine for information recommendation. By using the SVM, a recommendation method can determine suitable items for a user from enormous item sets. However, it can decide ...
  • Kenta Oku,Shinsuke Nakajima,Jun Miyazaki,Shunsuke Uemura,Hirokazu Kato (ACM, 2009-01)
    This paper proposes a recommendation method considering users' time series contexts which are situations that have occurred / will occur in the past/future. There are some recommendation methods that provide information ...
  • Yuichiro Fujimoto,Goshiro Yamamoto,Takafumi Taketomi,Christian Sandor,Hirokazu Kato (IEEE, 2015-09)
    Projection-based Augmented Reality commonly projects on rigid objects, while only few systems project on deformable objects. In this paper, we present Pseudo Printed Fabrics (PPF), which enables the projection on a deforming ...
  • Kula, Raula Gaikovina; Roover, Coen De; German, Daniel M.; Ishio, Takashi; Inoue, Katsuro (IEEE, 2018)
    The popularity of super repositories such as Maven Central and the CRAN is a testament to software reuse activities in both open-source and commercial projects alike. However, several studies have highlighted the risks and ...
  • Oku, Kenta; Nakajima, Shinsuke; Miyazaki, Jun; Uemura, Shunsuke; Kato, Hirokazu; Hattori, Fumio (CARS-2010, 2010)
    This paper proposes a recommendation system considering users' past / current / future contexts. We define users' contexts as “users' situations and conditions that influence their preference in their information choice. ...
  • Yamamoto, Goshiro; Asghar, Zeeshan; Uranishi, Yuki; Taketomi, Takafumi; Sandor, Christian; Kuroda, Tomohiro; Pulli, Petri; Kato, Hirokazu (ICDVRAT and the University of Reading., 2014)
    We propose a grid-pattern indicating interface to provide instructions remotely from remote site to support independent daily life of senior citizens. Our aim is to realize smooth and easy telecommunication between supported ...
  • Ikeda, Sei; Tanaka, Hiroki; Manabe, Yoshitsugu; Kato, Hirokazu (VTT, 2011)
    This paper reports an evaluation experiment using our prototype system which dynamically projects ruled lines on a sheet of paper to support a user in layout design. The system projects lines at proper positions depending ...
  • Keyaki, Atsushi; Miyazaki, Jun; Hatano, Kenji; Yamamoto, Goshiro; Taketomi, Takafumi; Kato, Hirokazu (National Institute of Informatics, 2013)
    In this paper, we try to apply an approach of XML element retrieval to 1CLICK-2. The aim of XML element retrieval is to identify key points in structured documents, and propose them to system users. We believe that the aim ...
  • Plopski, Alexander; Nitschke, Christian; Kiyokawa, Kiyoshi; Schmalstieg, Dieter; Takemura, Haruo (Eurographics Association, 2015)
    Passive eye-pose estimation methods that recover the eye-pose from natural images generally suffer from low accuracy, the result of a static eye model, and the recovery of the eye model from the estimated iris contour. ...
  • Duong, Quang-Thang; Okada, Minoru (The Institute of Electronics, Information and Communication Engineers, 2018-10-01)
    This paper investigates receive power control for multiuser inductive power transfer (IPT) systems with a single-frequency coil array. The primary task is to optimize the transmit coil currents to minimize the total input ...
  • Todorov, Boris; Kula, Raula Gaikovina; Ishio, Takashi; Inoue, Katsuro (IEEE, 2017)
    In software development, software reuse has become a pivotal factor in creating and providing high-quality software at a reduced cost. The reuse of a code creates dependencies, which as they increase over time become ...
  • Nakamura, Masahide; Monden, Akito; Itoh, Tomoaki; Matsumoto, Ken-ichi; Kanzaki, Yuichiro; Satoh, Hirotsugu (IEEE, 2003)
    We present a method to estimate the cost of mental (hand) simulation of programs. In mental simulation, human short term memory is extensively used to recall and memorize values of variables. When the simulation reaches a ...
  • Kanzaki, Yuichiro; Monden, Akito; Nakamura, Masahide; Matsumoto, Ken-ichi (IEEE, 2003)
    In this paper, we present a new method to protect software against illegal acts of hacking. The key idea is to add a mechanism of self-modifying codes to the original program, so that the original program becomes hard to ...
  • Igaki, Hiroshi; Nakamura, Masahide; Matsumoto, Ken-ichi (IEEE, 2005)
    In the next-generation home network systems (HNS), interoperability among multi-vendor appliances is a challenging issue to implement value-added integrated services. This paper presents a service-oriented framework to ...
  • Monden, Akito; Iida, Hajimu; Matsumoto, Kenichi; Inoue, Katsuro; Torii, Koji (IEEE, 2000)
    Java programs distributed through the Internet are now suffering from program theft. This is because Java programs can be easily decomposed into reusable class files and even decompiled into source code by program users. ...
  • Morisaki, Shuji; Monden, Akito; Matsumura, Tomoko; Tamada, Haruaki; Matsumoto, Ken-ichi (IEEE, 2007)
    This paper describes an empirical study to reveal rules associated with defect correction effort. We defined defect correction effort as a quantitative (ratio scale) variable, and extended conventional (nominal scale based) ...
  • Kamei, Yasutaka; Monden, Akito; Matsumoto, Shinsuke; Kakimoto, Takeshi; Matsumoto, Ken-ichi (IEEE, 2007)
    The goal of this paper is to improve the prediction performance of fault-prone module prediction models (fault-proneness models) by employing over/under sampling methods, which are preprocessing procedures for a fit dataset. ...
  • Shihab, Emad; Ihara, Akinori; Kamei, Yasutaka; Ibrahim, Walid M.; Ohira, Masao; Adams, Bram; Hassan, Ahmed E.; Matsumoto, Ken-ichi (IEEE, 2010)
    Bug fixing accounts for a large amount of the software maintenance resources. Generally, bugs are reported, fixed, verified and closed. However, in some cases bugs have to be re-opened. Re-opened bugs increase maintenance ...
  • Matsumoto, Shinsuke; Kamei, Yasutaka; Monden, Akito; Matsumoto, Ken-ichi (IEEE, 2007)
    In this paper, we experimentally evaluated the effect of outlier detection methods to improve the prediction performance of fault-proneness models. Detected outliers were removed from a fit dataset before building a model. ...

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