Publications

Conference Proceedings

Navigating Real-World Challenges: A Quadruped Robot Guiding System for Visually Impaired People in Diverse Environments Shaojun Cai, Ashwin Ram, Zhengtai Gou, Mohd Alqama Wasim Shaikh, Yu-An Chen, Yingjia Wan, Kotaro Hara, Shengdong Zhao, and David Hsu Proceedings of CHI 2024, Hawaii, USA (To Appear)

SwapVid: Integrating Video Viewing and Document Exploration with Direct Manipulation Taichi Murakami, Kazuyuki Fujita, Kotaro Hara, Kazuki Takashima, and Yoshifumi Kitamura Proceedings of CHI 2024, Hawaii, USA (To Appear)

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Supporting Novices Author Audio Descriptions via Automatic Feedback

Rosiana Natalie, Joshua Tseng, Hernisa Kacorri, and Kotaro Hara Proceedings of CHI 2023, Hamburg, Germany

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The Efficacy of Collaborative Authoring of Video Scene Descriptions

Rosiana Natalie, Jolene Loh, Huei Suen Tan, Joshua Tseng, Ian Luke Yi-Ren Chan, Ebrima H. Jarjue, Hernisa Kacorri, and Kotaro Hara Proceedings of ASSETS 2021, Online Conference, Best Paper Nomination

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LiveSnippets: Voice-based Live Authoring of Multimedia Articles about Experiences

Hyeongcheol Kim, Shengdong Zhao, Can Liu, and Kotaro Hara Proceedings of MobileHCI 2020, Online Conference

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Project Sidewalk: A Web Based Crowdsourcing Tool for Collecting Sidewalk Accessibility Data at Scale

Manaswi Saha, Michael Saugstad, Hanuma Teja Maddali, Aileen Zeng, Ryan Holland, Steven Bower, Aditya Dash, Sage Chen, Anthony Li, Kotaro Hara, and Jon Froehlich Proceedings of CHI 2019, Glasgow, U.K. Best Paper Award

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Striving to Earn More: A Survey of Work Strategies and Tool Use Among Crowd Workers

Toni Kaplan, Susumu Saito, Kotaro Hara, and Jeffrey P. Bigham Proceedings of HCOMP 2018, Zurich, Switzerland

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A Data-Driven Analysis of Workers' Earnings on Amazon Mechanical Turk

Kotaro Hara, Abigail Adams, Kristy Milland, Saiph Savage, Chris Callison-Burch, and Jeffrey P. Bigham Proceedings of CHI 2018, Montreal, QC, Canada. Honourable Mention Award

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Vocal Programming for People with Upper-Body Motor Impairments

Lucas Rosenblatt, Patrick Carrington, Kotaro Hara, Jeffrey P. Bigham Proceedings of W4A 2018, Lyon, France

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Introducing People with ASD to Crowd Work

Kotaro Hara and Jeffrey P. Bigham Proceedings of ASSETS 2017, Baltimore, USA.

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The Crowd Work Accessibility Problem

Saiganesh Swaminathan, Kotaro Hara, Jeffrey P. Bigham Proceedings of W4A 2017, Perth, Australia, Best Paper Nomination

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The Design of Assistive Location-based Technologies for People with Ambulatory Disabilities: A Formative Study

Kotaro Hara, Christine Chan, Jon E. Froehlich Proceedings of CHI 2016, San Jose, USA.

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Effect of Machine Translation in Interlingual Conversation: Lessons from a Formative Study

Kotaro Hara and Shamsi T. Iqbal Proceedings of CHI 2015, Seoul, Korea.

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Tohme: Detecting Curb Ramps in Google Street View Using Crowdsourcing, Computer Vision, and Machine Learning

Kotaro Hara, Jin Sun, Robert Moore, David Jacobs, Jon E. Froehlich Proceedings of UIST 2014, ACM CR Best of Computing

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Improving Public Transit Accessibility for Blind Riders by Crowdsourcing Bus Stop Landmark Locations with Google Street View

Kotaro Hara, Shiri Azenkot, Megan Campbell, Cynthia L. Bennett, Vicki Le, Sean Pannella, Robert Moore, Kelly Minckler, Rochelle H. Ng, Jon E. Froehlich Proceedings of ASSETS 2013, Bellevue, Washington. Best Paper Award

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Combining Crowdsourcing and Google Street View to Identify Street-level Accessibility Problems

Kotaro Hara, Victoria Le, Jon E. Froehlich Proceedings of CHI 2013, Paris, France, Apr 24-May 2, 2013.

Journal Papers

Conversational Localization: Indoor Human Localization through Intelligent Conversation (To Appear) Smitha Sheshadri and Kotaro Hara Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies

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The Gender Wage Gap in an Online Labor Market: The Cost of Interruptions

Abi Adams-Prassl, Kotaro Hara, Kristy Milland, Chris Callison-Burch The Review of Economics and Statistics 1–23.

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Commanding and Re-dictation: Developing Eyes-free Voice-based Interaction for Editing Dictated Text

Debjyoti Ghosh, Can Liu, Shengdong Zhao, and Kotaro Hara ACM Transactions on Computer-Human Interaction, Volume 27, Issue 4, August 2020 Article No.: 28, pp 1–31

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Improving Public Transit Accessibility for Blind Riders by Crowdsourcing Bus Stop Landmark Locations with Google Street View: An Extended Analysis

Kotaro Hara, Shiri Azenkoto, Megan Campbell, Cynthia L. Bennett, Vicki Le, Sean Pannella, Robert Moor, Kelly Minckler, Rochelle H. Ng, Jon E. Froehlich ACM Transactions on Accessible Computing, Volume 6, Issue 2, March 2015, Article No.: 5, pp 1–23

Poster Proceedings

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Beyond Anthropomorphism: Unraveling the True Priorities of Chatbot Usage in SMEs

Tamas Makany, Sungjong Roh, Kotaro Hara, Jie Min Hua, Felicia Goh Si Ying, and Wilson Teh Poster Proceedings of CUI 2023, To Appear

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Investigating Accessibility Challenges and Opportunities for Users with Low Vision Disabilities in Customer-to-Customer (C2C) Marketplaces

Bektur Ryskeldiev, Kotaro Hara, Mariko Kobayashi, and Koki Kusano Poster Proceedings of ASSETS 2022, Athens, Greece

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Feasibility Studies in Indoor Localization through Intelligent Conversation

Smitha Sheshadri, Linus Cheng, and Kotaro Hara Poster Proceedings of CHI 2022, New Orleans, USA

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Understanding Crowdsourcing Requesters’ Wage Setting Behaviors

Kotaro Hara and Yudai Tanaka Poster Proceedings of CHI 2022, New Orleans, USA

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Visionary Caption: Improving the Accessibility of Presentation Slides Through Highlighting Visualization

Carmen Yip, Jie Mi Chong, Sin Yee Kwek, Wang Yong, and Kotaro Hara Poster Proceedings of ASSETS 2021, Online Event

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Uncovering Patterns in Reviewers’ Feedback to Scene Description Authors

Rosiana Natalie, Jolene Loh Kar Inn, Tan Huei Suen, Joshua Tseng Shi Hao, Hernisa Kacorri, Kotaro Hara Poster Proceedings of ASSETS 2021, Online Event

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ViScene: A Collaborative Authoring Tool for Scene Descriptions in Videos

Rosiana Natalie, Ebrima Jarjue, Hernisa Kacorri, and Kotaro Hara Poster Proceedings of ASSETS 2020, Online Event

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Techniques to Visualize Occluded Graph Elements for 2.5D Map Editing

Kazuyuki Fujita, Daigo Hayashi, Kotaro Hara, Kazuki Takashima, and Yoshifumi Kitamura Poster Proceedings of CHI 2020, Online Event

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Worker Demographics and Earnings on Amazon Mechanical Turk: An Exploratory Analysis

Hara, K., Adams, A. Milland, M., Savage S., Hanrahan, B.V., Bigham J.P., and Callison-Burch, C. Poster Proceedings of CHI 2019, Glasgow, Scotland, UK.

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A Pilot Deployment of an Online Tool for Large-Scale Virtual Auditing of Urban Accessibility

Manaswi Saha, Kotaro Hara, Soheil Behnezhad, Anthony Li, Michael Saugstad, Hanuma Maddali, Sage Chen, Jon E. Froehlich Poster Proceedings of ASSETS 2017, Baltimore, USA.

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FluTCHA: Using Fluency to Distinguish Humans from Computers

Kotaro Hara, Mohammad T. Hajiaghayi, Benjamin B. Bederson Poster Proceedings of WWW 2015, Florence, Italy

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Low Effort Crowdsourcing: Leveraging Peripheral Attention for Crowd Work

Vaish Rajan, Peter Organisciak, Kotaro Hara, Jeffrey P. Bigham, and Haoqi Zhang Poster Proceedings of HCOMP 2014

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An Initial Study of Automatic Curb Ramp Detection with Crowdsourced Verification using Google Street View Images

Kotaro Hara, Jin Sun, Jonah Chazan, David Jacobs, Jon E. Froehlich Poster Proceedings of HCOMP 2013, Palm Springs, California, USA.

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A Feasibility Study of Crowdsourcing and Google Street View to Determine Sidewalk Accessibility

Kotaro Hara, Victoria Le, and Jon Froehlich Poster Proceedings of ASSETS 2012, Boulder, Colorado, USA.

Other Articles

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Grand Challenges in Accessible Maps

Jon E. Froehlich, Anke M. Brock, Anat Caspi, João Guerreiro, Kotaro Hara, Reuben Kirkham, Johannes Schöning, and Benjamin Tannert Interactions, 2019

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Characterizing and Visualizing Physical World Accessibility at Scale Using Crowdsourcing, Computer Vision, and Machine Learning

Kotaro Hara and Jon E. Froehlich SIGACCESS Newsletter, Issue 113. 2015

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Scalable Methods to Collect and Visualize Sidewalk Accessibility Data for People with Mobility Impairments

Kotaro Hara Doctoral Consortium of ASSETS 2014

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Scalable Methods to Collect and Visualize Sidewalk Accessibility Data for People with Mobility Impairments

Kotaro Hara Doctoral Symposium of UIST 2014

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Exploring Early Solutions for Automatically Identifying Inaccessible Sidewalks in the Physical World using Google Street View

Kotaro Hara Human Computer Interaction Consortium 2013, Pacific Grove, California, USA. June 22-27, 2013.

Dissertation

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Scalable Methods to Collect and Visualize Sidewalk Accessibility Data for People with Mobility Impairments

Kotaro Hara University of Maryland Doctoral Dissertation