Selected Publications

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“Because I’m Restricted, 2–4 PM Unable to See Messages”: Exploring Users’ Perceptions and Likely Practices around Exposing Attention-management Information on IM Statuses

Yu-Ling Chou, Yu-Ling Chien, Yu-Hsin Lin, Kung-Pai Lin, Faye Shih, Yung-Ju Chang*. (CHI '22) 

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Predicting Opportune Moments to Deliver Notifications in Virtual Reality

Kuan-Wen Chen, Yung-Ju Chang*, Liwei Chan (CHI '22) 

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Why Did You/I Read but Not Reply? IM Users’ Unresponded Read-Receipt Practices and Explanations

Yu-Ling Chou, Yi-Hsiu Lin, Tzu-Yi Lin, Hsin Ying You, Yung-Ju Chang* (CHI '22) 

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How to Guide Task-oriented Chatbot Users, and When: A Mixed-methods Study of Combinations of Chatbot Guidance Types and Timings

Su-Fang Yeh, Meng-Hsin Wu, Tze-Yu Chen, Yen-Chun Lin, XiJing Chang, You-Hsuan Chiang, Yung-Ju Chang*. (CHI '22) [Honorable Mention Award for Best Paper]​

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What Kinds of Experiences Do you Desire? A Preliminary Study of Desired Experiences of Contributors in Location-Based Mobile Crowdsourcing

Fang-Yu Lin, Chia-Yi Lee, Yi-Ting Ho, Yao-Kuang Chen, Grace Yu-Chun Yen, Yung-Ju Chang*. (CHI '22 LBW)

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Investigating Four Navigation Aids for Supporting Navigator Performance and Independence in Virtual Reality

Ting-Yu Kuob, Yung-Ju Chang*, and Hung-Kuo Chu. (IJHCI '22)  [In press]

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IM Receptivity and Presentation-type Preferences among Users of a Mobile App with Automated Receptivity- status Adjustment

Ting-Wei Wu, Yu-Ling Chien, Hao-Ping Lee, and Yung-Ju Chang*. (CHI '21) 

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“I Got Some Free Time”: Investigating Task-execution and Task-effort Metrics in Mobile Crowdsourcing Tasks

Chia-En Chiang, Yu-Chun Chen, Fang-Yu Lin, Felicia Feng, Hao-An Wu, Hao-Ping Lee, Chang-Hsuan Yang, Yung-Ju Chang*. (CHI ’21) 

 

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“Put it on the Top, I’ll Read it Later”: Investigating Users’ Desired Display Order for Smartphone Notifications

Tzu-Chieh Lin, Yu-Shao Su, Emily Yang, Yun Han Chen, Hao-Ping Lee, and Yung-Ju Chang*. (CHI '21) 

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Inviting Participants' Peers in a Mobile Assessment Study: An Empirical Investigation

Yu-Lin Chang, Hao-Ping Lee, Yung-Ju Chang*, Chih-Ya Shen. (MobileHCI '21) 

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Analyzing GPS Data for Psychological Research: A Tutorial

Sandrine Müller, Joseph Bayer, Morgan Quinn Ross, Jerry Mount, Clemens Stachl, Gabriella M. Harari, Yung-Ju Chang, and Huyen T(AMPPS '21) 

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Making Meals Both Appealing and Healthy: A Food Presentation Simulation System

Li-Hsing Zheng, Yao-Zhen Kuo, Jui Lo, Yung-Ju Chang, and Yu-Shuen Wang*. (C&C '21 ) 

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Self-Attentive Recommendation for Multi-Source Review Package

Pin-Yu Chen, Yu-Hsiu Chen, Hong-Han Shuai* and Yung-Ju Chang. (IJCNN '21 ) 

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Opportune Moments for the Multi-Stage Notification Responding Process: A Preliminary Investigation

Chung Chiao Chang, Meng-Hsin Wu, Xi-Jing Chang, and Yung-Ju Chang*. (UbiComp-ISWC '21)

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Killing-Time Detection from Smartphone Screenshots

Yu-Chun Chen, KeuiChun Kao, Yu-Jen Lee, Faye Shih, Wei-Chen Chiu, and Yung-Ju Chang*. (UbiComp-ISWC '21) 

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I’m Interested, but Can/Would Only Skim It: Studying Smartphone Users’ Receptivity to News Notifications

Ping-Ju Huang, Chia-Chen Wu, Yu-Hsin Lai, Chen-Chin Lin, and Yung-Ju Chang*. (2021). (UbiComp-ISWC '21) 

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Occurrence and Triggers of Mobile News Exposure: A Screenshot-Based ESM Study

Jian Hua Jiang Chen, Ming Yen Yeh, Chen-Chin Lin,  Yung-Ju Chang*, Wan-Yun Yu, Rebecca Ping Yu. (2021). (UbiComp-ISWC '21 ) 

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SYNC: A Crowdsourcing Platform for News Co-editing

Jin An Lin, Feng-I Hsu, Shang-Hsun Lu,  Hsin-Yu Yao,  Tsai yu Kuo,  Chieh Kai Lin, and Yung-Ju Chang*. (2021). (CSCW EA '21 ) 

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Exploring Users’ Preferences on Chatbot’s Guidance Type and Timing

Meng-Hsin Wu, Su-Fang Yeh, XiJing Chang, and Yung-Ju Chang*. (2021). (CSCW EA '21) 

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Distinguishing IM Communication Patterns with Relationship and Conversation Topic

Kung-Pai Lin, Hao-Ping (Hank) Lee, Yu-Ling Chou, Faye Shih, and Yung-Ju Chang*. (2021). (CSCW EA '21) 

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Tell Me When Users Leave: Predicting Users’ Abandonment of A Task-Oriented Chatbot Service using Explainable Deep Learning

Yu-Wei Yang, Chieh Hsu, Hsin-Chien Tung, Hong-Han Shuai and Yung-Ju Chang*. (2021). (CUI EA '21 ) 

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Bridging the Virtual and Real Worlds: A Preliminary Study of Messaging Notifications in Virtual Reality

Ching-Yu Hsieh, Yi-Shyuan Chiang, Hung-Yu Chiu, and Yung-Ju Chang*. 2020.  (CHI '20), 1–14. 

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A Conversation Analysis of Non-Progress and Coping Strategies with a Banking Task-Oriented Chatbot

Chi-Hsun Li, Su-Fang Yeh, Tang-Jie Chang, Meng-Hsuan Tsai, Ken Chen, and Yung-Ju Chang*. 2020. (CHI '20), 1–12. 

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Exploring the Design Space of User-System Communication for Smart-home Routine Assistants

Yi-Shyuan Chiang, Ruei-Che Chang, Yi-Lin Chuang, Shih-Ya Chou, Hao-Ping Lee, I-Ju Lin, Jian-Hua Jiang Chen, and Yung-Ju Chang*. 2020. (CHI '20), 1–14. 

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V-Eye: A Vision-based Navigation System for the Visually Impaired

Ping-Jung Duh, Yu-Cheng Sung, Liang-Yu Fan Chiang, Yung-Ju Chang, and Kuan-Wen Chen. 2020. IEEE Transactions on Multimedia: 1–1.

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Combining Participatory and ESM: A Hybrid Approach to Collecting Annotated Mobility Data

Hsiu-Chi Chang, Yung-Ju Chang*, Mark W. Newman, and Chih-Hsin Lin. 2020. (CHI EA '20), 1–7. 

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A Preliminary Attempt of an Intelligent System Predicting Users’ Correctness of Notifications’ Sender Speculation

Tang-Jie Chang, Jian-Hua Jiang Chen, Hao-Ping Lee, and Yung-Ju Chang*. 2020. (UbiComp-ISWC '20), 13–16. 

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Effects of Activity Breakpoints on Mobile Crowdsourcing Task Performance

Chia-En Chiang, Yung-Ju Chang*, and Felicia Feng. 2020. (UbiComp-ISWC '20), 21–24. 

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Using Gamification to Create and Label Photos that are Challenging for Computer Vision and People

Piotr Kotlinski, Xi-Jing Chang, Yang Chih-Yun, Wei-Chen Chiu, and Yung-Ju Chang*. 2020. (UbiComp-ISWC '20), 59–62. 

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Comparing the Effects of Reference-based, Orientation-based, and Turn-by-turn navigation Guidance on Users’ Independent Navigation

Ting-Yu Kuo, Hung-Kuo Chu, and Yung-Ju Chang. 2020. . (UbiComp-ISWC '20), 63–66. 

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A Preliminary Investigation of the Mismatch between Attendance Order and Desired Display Order of Smartphone Notifications.

Tzu-Chieh Lin, Yu-Shao Su, Emily Yang, Yun Han Chen, Hao-Ping Lee, and Yung-Ju Chang*. 2020. (UbiComp-ISWC '20), 71–74. 

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A Preliminary Study of an Intelligent System Facilitating Selective Notification Attendance on Smartphones via Alert Assistance

Yi-Hao Shih, Tang-Jie Chang, Jian-Hua Jiang Chen, Hao-Ping Lee, and Yung-Ju Chang*. 2020.  (UbiComp-ISWC '20), 468–473.

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Exploring the Presentation of Estimated Receptivity Status for Instant Messaging

Ting-Wei Wu, Yu-Ling Chien, Yung-Ju Chang*. 2020. (MobileHCI '20 EA), 1–6. 

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BusMyFriend: Designing a Bus Reservation Service for People with Visual Impairments in Taipei.

Carolyn Yu, Yee Li, Tsai-Yuan Huang, Wei-An Hsieh, Shao-Yu Lee, I-Hui Yeh, Gang Ku Lin, Neng-Hao Yu, Hsien-Hui Tang, and Yung-Ju Chang. 2020. (DIS' 20 Companion), 91–96. ​

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Tourgether: Exploring Tourists’ Real-time Sharing of Experiences as a Means of Encouraging Point-of-Interest Exploration.

Yung-Ju Chang*, Chu-Yuan Yang, Ying-Hsuan Kuo, Wen-Hao Cheng, Chun-Liang Yang, Fang-Yu Lin, I-Hui Yeh, Chih-Kuan Hsieh, Ching-Yu Hsieh, and Yu-Shuen Wang. 2019. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. 3, 4: 128:1–128:25. (IMWUT 2019)

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I Think It’s Her: Investigating Smartphone Users’ Speculation About Phone Notifications and Its Influence on Attendance

Yung-Ju Chang*, Yi-Ju Chung, and Yi-Hao Shih. 2019.   (MobileHCI ’19), 14:1–14:13.  [Honorable Mention Award for Best Paper ]​

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Does Who Matter?: Studying the Impact of Relationship Characteristics on Receptivity to Mobile IM Messages

Hao-Ping Lee, Kuan-Yin Chen, Chih-Heng Lin, Chia-Yu Chen, Yu-Lin Chung, Yung-Ju Chang*, and Chien-Ru Sun. 2019.   (CHI '19), 526:1–526:12.  ​

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How Much do Parents Actually Use Their Smartphones? Pilot Study Comparing Self-report to Passive Sensing

Nalingna Yuan, Heidi M. Weeks, Rosa Ball, Mark W. Newman, Yung-Ju Chang, and Jenny S. Radesky. 2019. Pediatric Research: 1. 

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Advertising in Young Children’s Apps: A Content Analysis

Marisa Meyer, Victoria Adkins, Nalingna Yuan, Heidi M. Weeks, Yung-Ju Chang, and Jenny Radesky. 2019. Journal of Developmental & Behavioral Pediatrics 40, 1: 32.  ​

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When There is No Progress with a Task-Oriented Chatbot: A Conversation Analysis

Chi-Hsun Li, Ken Chen, and Yung-Ju Chang*. 2019.   (MobileHCI ’19 EA), 1–6.  

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Predicting Smartphone Users’ General Responsiveness to IM Contacts Based on IM Behavior

Hao-Ping Lee, Tilman Dingler, Chih-Heng Lin, Kuan-Yin Chen, Yu-Lin Chung, Chia-Yu Chen, and Yung-Ju Chang*. 2019.   (MobileHCI ’19 EA), 1–6.  

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She is in a Bad Mood Now: Leveraging Peers to Increase Data Quantity via a Chatbot-Based ESM

Yu-Lin Chang, Yung-Ju Chang, and Chih-Ya Shen. 2019.   (MobileHCI ’19 EA), 1–6.

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Exploring the Design of Availability Status in Mobile IM Messaging with User Enactments

Yu-Ling Chien, Ting-Wei Wu, and Yung-Ju Chang*. 2019. (MobileHCI ’19 EA), 1–6. 

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Connecting IM pattern and Selective Perceived Responsiveness to Relationship: a Cluster-based Approach

Hao-Ping Lee, Kuan-Yin Chen, Chih-Heng Lin, and Yung-Ju Chang*. 2019. (UbiComp/ISWC ’19 Adjunct), 1070–1074. 

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Vibration Feedback Controlled by Intuitive Pressing in Virtual Reality

Yu-Wei Wang, Tse-Yu Pan, Yung-Ju Chang, and Min-Chun Hu. 2019. (AIVR Poster Paper), 195–1953. 

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A New Online Charging System Based on Context of Mobile Users

Albert Budi Christian, Cheng-Wei Wu, Wan-Hsun Hu, Yung-Ju Chang, and Yu-Chee Tseng. 2019. (ICCE-TW), 1–2.

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SCQ: Stage-Based, Context-Aware, QoE-Driven Power Optimization for Interactive Applications on Mobile Devices

Chi-Kai Ho, Chung-Ta King, and Yung-Ju Chang. 2019. (MDM), 343–345. 

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iTour: Making Tourist Maps GPS-Enabled

Chih-Hsiang Hsu, Chia-Lun Ku, Yung-Ju Chang, Yu-Shuen Wang, Uyn-Dinh Trân, Wen-Hao Cheng, Chu-Yuan Yang, Ching-Yu Hsieh, and Chun-Cheng Lin. 2018. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. 1, 4: 139:1–139:27. (IMWUT 2018)

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Heed: Exploring the Design of Situated Self-Reporting Devices

Gaurav Paruthi, Shriti Raj, Seungjoo Baek, Chuyao Wang, Chuan-che Huang, Yung-Ju Chang, and Mark W. Newman. 2018. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. 2, 3: 132:1–132:21. (IMWUT 2018)

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PotteryGo: A Virtual Pottery Making Training System

Pei-Ying Chiang, Han-Yu Chang, and Yung-Ju Chang. 2018. IEEE Computer Graphics and Applications 38, 2: 74–88. 

 

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Characterizing Display QoS based on Frame Dropping for Power Management of Interactive Applications on Smartphones

K. T. Ho, C. T. King, B. Das, and Y. J. Chang. 2018. . (DATE), 873–876. 

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An Investigation of Using Mobile and Situated Crowdsourcing to Collect Annotated Travel Activity Data in Real-World Settings

Yung-Ju Chang, Gaurav Paruthi, Hsin-Ying Wu, Hsin-Yu Lin, and Mark W. Newman. 2017. International Journal of Human-Computer Studies 102: 81–102. (IJHCS 2017)

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Deep 360 Pilot: Learning a Deep Agent for Piloting through 360° Sports Videos

Hou-Ning Hu, Yen-Chen Lin, Ming-Yu Liu, Hsien-Tzu Cheng, Yung-Ju Chang, and Min Sun. 2017. (CVPR 2017), 1396–1405. 

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Tell Me Where to Look: Investigating Ways for Assisting Focus in 360 Video

Yen-Chen Lin, Yung-Ju Chang, Hou-Ning Hu, Hsien-Tzu Cheng, Chi-Wen Huang, and Min Sun. 2017.   (CHI ’17), 2535–2545. 
 

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What do Smartphone Users Do when They Sense Phone Notifications?

Yung-Ju Chang, Yi-Ju Chung, Yi-Hao Shih, Hsiu-Chi Chang, and Tzu-Hao Lin. 2017. (UbiComp/ISWC’17 Adjunct), 904–909. [Best Paper]

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HEED: Situated and Distributed Interactive Devices for Self-reporting

Gaurav Paruthi, Shriti Raj, Ankita Gupta, Chuan-Che Huang, Yung-Ju Chang, and Mark W Newman. 2017.   (UbiComp ’17 EA), 181–184.

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Who Matters: A Closer Look at Interpersonal Relationship in Mobile Interruptibility

Kuan-Yin Chen, Hao-Ping Lee, Chih-Heng Lin, and Yung-Ju Chang. 2017. (UbiComp/ISWC’17 Adjunct), 910–915. 

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A Field Study Comparing Approaches to Collecting Annotated Activity Data in Real-World Settings.

Yung-Ju Chang, Gaurav Paruthi, and Mark W. Newman. 2015. In  (UbiComp ’15), 671–682. 

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Challenges in Using Wearable Cameras and Phone Logs to Generate Ground Truth of Transportation Activities

Yung-Ju Chang, Gaurav Paruthi, and Mark W. Newman. 2015.   (UbiComp/ISWC’15 Adjunct), 1361–1366. 

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Investigating Mobile Users’ Ringer Mode Usage and Attentiveness and Responsiveness to Communication

Yung-Ju Chang and John C. Tang. 2015. (MobileHCI ’15), 6–15. 

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Making Local Information More Accessible: A Diary Study of Information Channel Selection of Mobile Users

Yung-Ju Chang and Mark W. Newman. 2015. (Chinese CHI ’15), 1–8. https://doi.org/10.1145/2739999.2740000

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TraceViz: “Brushing” for Location Based Services

Yung-Ju Chang, Pei-Yao Hung, and Mark Newman. 2012. (MobileHCI ’12), 345–348. 

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Understanding How Trace Segmentation Impacts Transportation Mode Detection

Yung-Ju Chang and Mark W. Newman. 2012. (UbiComp ’12 EA), 625–626. 

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Structure and Reciprocity in Technology-Centered Q&A Communities.

Ming Jiang, Tao Dong, and Yung-Ju Chang. 2011. In Fifth International AAAI Conference on Weblogs and Social Media (ICWSM 2011 EA)