Architecture and Algorithm for Parallel Execution of a Join Operation. - T. Nakayama; Masahito Hirakawa; Tadao Ichikawa (ICDE, 1984)

A Relational-Database Machine Organization for Parallel Pipelined Query Execution. - Masahito Hirakawa; Kazuyuki Tsuda; Minoru Tanaka; Tadao Ichikawa (FJCC, 1986)

ARES: A Relational Database with the Capability of Performing Flexible Interpretation of Queries. - Tadao Ichikawa; Masahito Hirakawa (IEEE Trans. Software Eng., 1986)

A framework for construction of icon systems. - Masahito Hirakawa; Seiji Iwata; Yoshinobu Tahara; Minoru Tanaka; Tadao Ichikawa (VL, 1988)

A generic model for constructing visual programming systems. - Masahito Hirakawa; Makoto Yoshimi; Minoru Tanaka; Tadao Ichikawa (VL, 1989)

IconicBrowser: an iconic retrieval system for object-oriented databases. - Kazuyuki Tsuda; Masahito Hirakawa; Minoru Tanaka; Tadao Ichikawa (VL, 1989)

A Universal Language System for Visual Programming. - Masahito Hirakawa; Makoto Yoshimi; Tadao Ichikawa (VL, 1990)

Iconic Programming: Where to Go? - Tadao Ichikawa; Masahito Hirakawa (IEEE Softw., 1990)

An Iconic Programming System, HI-VISUAL. - Masahito Hirakawa; Minoru Tanaka; Tadao Ichikawa (IEEE Trans. Software Eng., 1990)

IconicBrowser: An Iconic Retrieval System for Object-Oriented Databases. - Kazuyuki Tsuda; Atsuo Yoshitaka; Masahito Hirakawa; Minoru Tanaka; Tadao Ichikawa (J. Vis. Lang. Comput., 1990)

An Image Database System Facilitating Icon-Driven Spatial Information Definition and Retrieval. - Masahito Hirakawa; Erland Jungert (VL, 1991)

Interpretation of Icon Overlapping in Iconic Programming. - Masahito Hirakawa; Yukihiro Nishimura; Motoji Kado; Tadao Ichikawa (VL, 1991)

MORE: An Object-Oriented Data Model with a Facility for Changing Object Structures. - Kazuyuki Tsuda; Kensaku Yamamoto; Masahito Hirakawa; Minoru Tanaka; Tadao Ichikawa (IEEE Trans. Knowl. Data Eng., 1991)

A Framework for Query Processing Utilizing Knowledge. - Atsuo Yoshitaka; Masahito Hirakawa; Tadao Ichikawa (SEKE, 1993)

Panel: Effects of Notation on Realization and Understanding. - Tim Dudley; Douglas J. Cardinal; Masahito Hirakawa; Michael J. Tauber (VL, 1993)

Iconic Object Definition System for Object-Oriented Databases. - Atsuo Yoshitaka; Kazunari Ueda; Masahito Hirakawa; Tadao Ichikawa (VL, 1993)

Knowledge-Assisted Context-Based Retrieval for Multimedia Databases. - Atsuo Yoshitaka; Setsuko Kishida; Masahito Hirakawa; Tadao Ichikawa (ICMCS, 1994)

Knowledge-Assisted Content-Based Retrieval for Multimedia Databases. - Atsuo Yoshitaka; Setsuko Kishida; Masahito Hirakawa; Tadao Ichikawa (IEEE Multim., 1994)

Visual Language Studies - A Perspective. - Masahito Hirakawa; Tadao Ichikawa (Softw. Concepts Tools, 1994)

Visual AWK: A Model for Text Processing by Demonstration. - Jürgen Landauer; Masahito Hirakawa (VL, 1995)

HI-VISUAL as a User-Customizable Visual Programming Environment. - Edward Miller; Motoji Kado; Masahito Hirakawa; Tadao Ichikawa (VL, 1995)

VIOLONE: Video Retrieval by Motion Example. - Atsuo Yoshitaka; Yu-ichi Hosoda; Masanori Yoshimitsu; Masahito Hirakawa; Tadao Ichikawa (J. Vis. Lang. Comput., 1996)

Content-Based Retrieval of Video Data by the Grammar of Film. - Atsuo Yoshitaka; Takakazu Ishii; Masahito Hirakawa; Tadao Ichikawa (VL, 1997)

Knowledge-Assisted Retrieval of Spatiotemporal Content in Multimedia Databases. - Atsuo Yoshitaka; Masahito Hirakawa; Tadao Ichikawa (Int. J. Softw. Eng. Knowl. Eng., 1997)

From Programming by Demonstration to Programming by WYSIWYG. - Jürgen Landauer; Masahito Hirakawa (J. Vis. Lang. Comput., 1997)

Content-Based Retrieval of Video Data Based on Spatiotemporal Correlation of Objects. - Atsuo Yoshitaka; Yu-ichi Hosoda; Masahito Hirakawa; Tadao Ichikawa (ICMCS, 1998)

A situation-sensitive interface for the management of personal documents. - Masahito Hirakawa; Seiichi Mizumoto; Atsuo Yoshitaka; Tadao Ichikawa (MSE, 1998)

Situation-Dependent Browser to Explore the Information Space. - Masahito Hirakawa; K. Priyantha Hewagamage; Tadao Ichikawa (VL, 1998)

Do Software Engineers Like Multimedia? - Masahito Hirakawa (ICMCS, Vol. 1, 1999)

SRAW: A Speech Rehabilitation Assistance Workbench - Speech Ability Evaluation by Audio-Video Input. - Atsuo Yoshitaka; Satoshi Katsuki; Tadao Ichikawa; Masahito Hirakawa (ICMCS, Vol. 2, 1999)

Interactive Visualization of Spatiotemporal Patterns Using Spirals on a Geographical Map. - K. Priyantha Hewagamage; Masahito Hirakawa; Tadao Ichikawa (VL, 1999)

Situation-Dependent Metaphor for Personal Multimedia Information. - K. Priyantha Hewagamage; Masahito Hirakawa; Tadao Ichikawa (Int. J. Softw. Eng. Knowl. Eng., 1999)

Augmented Album: Situation-Dependent System for a Personal Digital Video/Image Collection. - K. Priyantha Hewagamage; Masahito Hirakawa (IEEE International Conference on Multimedia and Expo (I), 2000)

Virtual Authoring based on the Shallow Copy Technique for a Collection of Digital. - N. T. Champa Jayawardana; K. Priyantha Hewagamage; Masahito Hirakawa (ISMSE, 2000)

A Mosaic-Based Query Language for Video Databases. - Jürgen Assfalg; Alberto Del Bimbo; Masahito Hirakawa (VL, 2000)

AR-Browser: Active Reading for WWW Contents. - Atsuo Yoshitaka; Tomokazu Uehara; Tadao Ichikawa; Masahito Hirakawa (VL, 2000)

Shallow Copying of Multimedia Sources for Virtual Documents. - K. Priyantha Hewagamage; N. T. Champa Jayawardana; Masahito Hirakawa (ICME, 2001)

Developing Situated Applications in Mobile Personal Computing. - K. Priyantha Hewagamage; Masahito Hirakawa (INTERACT, 2001)

A Community-based Web Browsing System . - Daisuke Toyama; Masumi Kakimoto; Atsuo Yoshitaka; Masahito Hirakawa (HCC, 2001)

Situated Computing: A Paradigm for the Mobile User-Interaction with Multimedia Sources. - Masahito Hirakawa; K. Priyantha Hewagamage (Ann. Softw. Eng., 2001)

An Interactive Visual Language for Spatiotemporal Patterns. - K. Priyantha Hewagamage; Masahito Hirakawa (J. Vis. Lang. Comput., 2001)

Special Issue on Selected Papers from VL99. - Masahito Hirakawa; Piero Mussio (J. Vis. Lang. Comput., 2001)

Content-Based Video Retrieval Using Mosaic Images. - Masahito Hirakawa; K. Uchida; Atsuo Yoshitaka (CW, 2002)

A Stitching Algorithm of Still Pictures with Camera Translation. - Yang Linghong; Masahito Hirakawa (CW, 2002)

Transparent interface: a seamless media space integrating the real and virtual worlds. - Masahito Hirakawa; Yuki Kojima; Atsuo Yoshitaka (HCC, 2003)

A collaborative augmented reality system using transparent display. - Masahito Hirakawa; Satoshi Koike (ISMSE, 2004)

A LoCoS-based tool capable of providing a clue for idea generation. - Chiemi Tanabe; Masahito Hirakawa (AMT, 2005)

Towards Understanding of Multimedia Documents: A Trial of Picture Book Analysis and Generation. - Momoko Yamamoto; Kyoko Hikino; Sayako Kijima; Masahito Hirakawa (ISM, 2005)

Video editing based on object movement and camera motion. - Yang Wang; Masahito Hirakawa (AVI, 2006)

Issues, Challenges, and Future Directions in Multimedia Research. - Masahito Hirakawa; Max Mühlhäuser; Susanto Rahardja; Phillip C.-Y. Sheu; Larry Smarr; Jeffrey J. P. Tsai (ISM, 2006)

O-Key: A Scoopable Interface. - Chiemi Tanabe; Masahito Hirakawa (ISM, 2006)

From MultiMedia to UniversalMedia. - Masahito Hirakawa (Int. J. Comput. Sci. Eng., 2006)

A Lightweight Augmented Reality System. - Yugo Hamakawa; Takuya Kawase; Masahito Hirakawa (DMS, 2008)

A Table-based Lively Interface for Collaborative Music Performance. - Takeshi Nakaie; Takayuki Koyama; Masahito Hirakawa (DMS, 2008)

A Multi-Dip Interface with Water. - Michihiro Ikeda; Norimasa Nagira; Masahito Hirakawa (CISIS, 2009)

Dual Face Interaction in Handheld Augmented Reality Environments. - Shunsuke Asai; Masahito Hirakawa (ISM, 2009)

Visually searching the web for structural content. - Hirofumi Miyamoto; Masahito Hirakawa (VINCI, 2010)

Going beyond completeness in information retrieval. - Masahito Hirakawa (Int. J. Comput. Sci. Eng., 2010)

Enhancing Interactivity in Handheld AR Environments. - Masahito Hirakawa; Shunsuke Asai; Kengo Sakata; Shuhei Kanagu; Yasuhiro Sota; Kazuhiro Koyama (Handbook of Augmented Reality, 2011)

Sound Zone Control in an Interactive Table System Environment. - Ryuji Yamaguchi; Shinji Sugihara; Masahito Hirakawa (ISM, 2011)

Support of self-management for chronic kidney failure patients. - Yasuhiro Sota; Keisuke Yamamoto; Masahito Hirakawa; Souichiro Doi; Yasuhisa Yamamoto (VINCI, 2011)

Identifying Individuals' Footsteps Walking on a Floor Sensor Device. - Kiryu Ibara; Kenta Kanetsuna; Masahito Hirakawa (AMT, 2013)

Multimedia Framework for Application of Spatial Auditory Information to Learning Materials. - Ryuji Yamaguchi; Ami Sakoi; Masahito Hirakawa (DNIS, 2013)

A framework for detecting positions of objects in water. - Koki Kimura; K. S. Lasith Gunawardena; Masahito Hirakawa (iCAST/UMEDIA, 2013)

Authoring Animations of Virtual Objects in Augmented Reality-Based 3D Space. - Manabu Eitsuka; Masahito Hirakawa (IIAI-AAI, 2013)

SensorTank: An Interactive Water Vessel. - K. S. Lasith Gunawardena; Koki Kimura; Masahito Hirakawa (J. Inf. Process., 2014)

A Case Study of Analyzing Logs of LMS in Flipped Classroom. - Yasuhiro Yamada; Masahito Hirakawa (IIAI-AAI, 2015)

Synchronizing Digital Signage Content with the Movement of Passerby. - Nozomi Tamaki; Masahito Hirakawa (VINCI, 2015)

Efficient strength training in a virtual world. - Yuki Tanaka; Masahito Hirakawa (ICCE-TW, 2016)

Detecting Learning Styles in Learning Management Systems Using Data Mining. - Madura Prabhani Pitigala Liyanage; K. S. Lasith Gunawardena; Masahito Hirakawa (J. Inf. Process., 2016)

Effectiveness of a Head Movement Interface for Steering a Vehicle in a Virtual Reality Driving Simulation. - Yoshiaki Saito; Kazumasa Kawashima; Masahito Hirakawa (Symmetry, 2020)

Acquisition of the Width of a Virtual Body through Collision Avoidance Trials. - Yoshiaki Saito; Kazumasa Kawashima; Masahito Hirakawa (IEICE Trans. Inf. Syst., 2021)