Danula Hettiachchi

According to our database, Danula Hettiachchi authored at least 34 papers between 2019 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2025

Comprehension is a double-edged sword: Over-interpreting unspecified information in intelligible machine learning explanations.

Yueqing Xuan, Edward Small, Kacper Sokol, Danula Hettiachchi, Mark Sanderson

Int. J. Hum. Comput. Stud., 2025

2024

Walert: Putting Conversational Search Knowledge into Action by Building and Evaluating a Large Language Model-Powered Chatbot.

Sachin Pathiyan Cherumanal, Lin Tian, Futoon M. Abushaqra, Angel Felipe Magnossão de Paula, Kaixin Ji, Danula Hettiachchi, Johanne R. Trippas, Halil Ali, Falk Scholer, Damiano Spina

CoRR, 2024

Characterizing Information Seeking Processes with Multiple Physiological Signals.

Kaixin Ji, Danula Hettiachchi, Flora D. Salim, Falk Scholer, Damiano Spina

Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2024

Towards Detecting and Mitigating Cognitive Bias in Spoken Conversational Search.

Kaixin Ji, Sachin Pathiyan Cherumanal, Johanne R. Trippas, Danula Hettiachchi, Flora D. Salim, Falk Scholer, Damiano Spina

Proceedings of the Adjunct Proceedings of the 26th International Conference on Mobile Human-Computer Interaction, 2024

Walert: Putting Conversational Information Seeking Knowledge into Action by Building and Evaluating a Large Language Model-Powered Chatbot.

Sachin Pathiyan Cherumanal, Lin Tian, Futoon M. Abushaqra, Angel Felipe Magnossão de Paula, Kaixin Ji, Halil Ali, Danula Hettiachchi, Johanne R. Trippas, Falk Scholer, Damiano Spina

Proceedings of the 2024 ACM SIGIR Conference on Human Information Interaction and Retrieval, 2024

E-Scooter Dynamics: Unveiling Rider Behaviours and Interactions with Road Users through Multi-Modal Data Analysis.

Hiruni Kegalle, Danula Hettiachchi, Jeffrey Chan, Flora D. Salim, Mark Sanderson

Proceedings of the Augmented Humans International Conference 2024, 2024

2023

Mapping 20 years of accessibility research in HCI: A co-word analysis.

Zhanna Sarsenbayeva, Niels van Berkel, Danula Hettiachchi, Benjamin Tag, Eduardo Velloso, Jorge Gonçalves, Vassilis Kostakos

Int. J. Hum. Comput. Stud., July, 2023

A Survey on Task Assignment in Crowdsourcing.

Danula Hettiachchi, Vassilis Kostakos, Jorge Gonçalves

ACM Comput. Surv., 2023

Can Users Correctly Interpret Machine Learning Explanations and Simultaneously Identify Their Limitations?

Yueqing Xuan, Edward Small, Kacper Sokol, Danula Hettiachchi, Mark Sanderson

CoRR, 2023

How Crowd Worker Factors Influence Subjective Annotations: A Study of Tagging Misogynistic Hate Speech in Tweets.

Danula Hettiachchi, Indigo Holcombe-James, Stephanie Livingstone, Anjalee de Silva, Matthew Lease, Flora D. Salim, Mark Sanderson

CoRR, 2023

Helpful, Misleading or Confusing: How Humans Perceive Fundamental Building Blocks of Artificial Intelligence Explanations.

Edward Small, Yueqing Xuan, Danula Hettiachchi, Kacper Sokol

CoRR, 2023

Combining Worker Factors for Heterogeneous Crowd Task Assignment.

Senuri Wijenayake, Danula Hettiachchi, Jorge Gonçalves

Proceedings of the ACM Web Conference 2023, 2023

Examining the Impact of Uncontrolled Variables on Physiological Signals in User Studies for Information Processing Activities.

Kaixin Ji, Damiano Spina, Danula Hettiachchi, Flora Dilys Salim, Falk Scholer

Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2023

Are footpaths encroached by shared e-scooters? Spatio-temporal Analysis of Micro-mobility Services.

Hiruni Kegalle, Danula Hettiachchi, Jeffrey Chan, Flora D. Salim, Mark Sanderson

Proceedings of the 24th IEEE International Conference on Mobile Data Management, 2023

Towards Detecting Tonic Information Processing Activities with Physiological Data.

Kaixin Ji, Damiano Spina, Danula Hettiachchi, Falk Scholer, Flora D. Salim

Proceedings of the Adjunct Proceedings of the 2023 ACM International Joint Conference on Pervasive and Ubiquitous Computing & the 2023 ACM International Symposium on Wearable Computing, 2023

Designing and Evaluating Presentation Strategies for Fact-Checked Content.

Danula Hettiachchi, Kaixin Ji, Jenny Kennedy, Anthony McCosker, Flora D. Salim, Mark Sanderson, Falk Scholer, Damiano Spina

Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, 2023

2022

REGROW: Reimagining Global Crowdsourcing for Better Human-AI Collaboration.

Andy Alorwu, Saiph Savage, Niels van Berkel, Dmitry Ustalov, Alexey Drutsa, Jonas Oppenlaender, Oliver Bates, Danula Hettiachchi, Ujwal Gadiraju, Jorge Gonçalves, Simo Hosio

Proceedings of the CHI '22: CHI Conference on Human Factors in Computing Systems, New Orleans, LA, USA, 29 April 2022, 2022

Does a Face Mask Protect My Privacy?: Deep Learning to Predict Protected Attributes from Masked Face Images.

Sachith Seneviratne, Nuran Kasthuriarachchi, Sanka Rasnayaka, Danula Hettiachchi, Ridwan Shariffdeen

Proceedings of the AI 2021: Advances in Artificial Intelligence, 2022

2021

Task assignment using worker cognitive ability and context to improve data quality in crowdsourcing.

Danula Hettiachchi

PhD thesis, 2021

Investigating Human Scale Spatial Experience.

Ville Paananen, Jonas Oppenlaender, Jorge Gonçalves, Danula Hettiachchi, Simo Hosio

Proc. ACM Hum. Comput. Interact., 2021

The Challenge of Variable Effort Crowdsourcing and How Visible Gold Can Help.

Danula Hettiachchi, Mike Schaekermann, Tristan McKinney, Matthew Lease

Proc. ACM Hum. Comput. Interact., 2021

Effect of Conformity on Perceived Trustworthiness of News in Social Media.

Senuri Wijenayake, Danula Hettiachchi, Simo Hosio, Vassilis Kostakos, Jorge Gonçalves

IEEE Internet Comput., 2021

Proceedings of the CSCW 2021 Workshop - Investigating and Mitigating Biases in Crowdsourced Data.

Danula Hettiachchi, Mark Sanderson, Jorge Gonçalves, Simo Hosio, Gabriella Kazai, Matthew Lease, Mike Schaekermann, Emine Yilmaz

CoRR, 2021

Us Vs. Them - Understanding the Impact of Homophily in Political Discussions on Twitter.

Danula Hettiachchi, Tanay Arora, Jorge Gonçalves

Proceedings of the Human-Computer Interaction - INTERACT 2021 - 18th IFIP TC 13 International Conference, Bari, Italy, August 30, 2021

Investigating and Mitigating Biases in Crowdsourced Data.

Danula Hettiachchi, Mark Sanderson, Jorge Gonçalves, Simo Hosio, Gabriella Kazai, Matthew Lease, Mike Schaekermann, Emine Yilmaz

Proceedings of the Companion Publication of the 2021 ACM Conference on Computer Supported Cooperative Work and Social Computing, 2021

2020

CrowdCog: A Cognitive Skill based System for Heterogeneous Task Assignment and Recommendation in Crowdsourcing.

Danula Hettiachchi, Niels van Berkel, Vassilis Kostakos, Jorge Gonçalves

Proc. ACM Hum. Comput. Interact., 2020

Augmenting Automated Kinship Verification with Targeted Human Input.

Danula Hettiachchi, Niels van Berkel, Simo Hosio, Miguel Bordallo López, Vassilis Kostakos, Jorge Gonçalves

Proceedings of the 24th Pacific Asia Conference on Information Systems, 2020

How Context Influences Cross-Device Task Acceptance in Crowd Work.

Danula Hettiachchi, Senuri Wijenayake, Simo Hosio, Vassilis Kostakos, Jorge Gonçalves

Proceedings of the Eighth AAAI Conference on Human Computation and Crowdsourcing, 2020

"Hi! I am the Crowd Tasker" Crowdsourcing through Digital Voice Assistants.

Danula Hettiachchi, Zhanna Sarsenbayeva, Fraser Allison, Niels van Berkel, Tilman Dingler, Gabriele Marini, Vassilis Kostakos, Jorge Gonçalves

Proceedings of the CHI '20: CHI Conference on Human Factors in Computing Systems, 2020

2019

Crowdsourcing Perceptions of Fair Predictors for Machine Learning: A Recidivism Case Study.

Niels van Berkel, Jorge Gonçalves, Danula Hettiachchi, Senuri Wijenayake, Ryan M. Kelly, Vassilis Kostakos

Proc. ACM Hum. Comput. Interact., 2019

Measuring the Effects of Stress on Mobile Interaction.

Zhanna Sarsenbayeva, Niels van Berkel, Danula Hettiachchi, Weiwei Jiang, Tilman Dingler, Eduardo Velloso, Vassilis Kostakos, Jorge Gonçalves

Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2019

Towards Effective Crowd-Powered Online Content Moderation.

Danula Hettiachchi, Jorge Gonçalves

Proceedings of the OZCHI'19: 31st Australian Conference on Human-Computer-Interaction, 2019

Effect of Ambient Light on Mobile Interaction.

Zhanna Sarsenbayeva, Niels van Berkel, Weiwei Jiang, Danula Hettiachchi, Vassilis Kostakos, Jorge Gonçalves

Proceedings of the Human-Computer Interaction - INTERACT 2019, 2019

Effect of Cognitive Abilities on Crowdsourcing Task Performance.

Danula Hettiachchi, Niels van Berkel, Simo Hosio, Vassilis Kostakos, Jorge Gonçalves

Proceedings of the Human-Computer Interaction - INTERACT 2019, 2019