Search Results for author: Danula Hettiachchi

Found 7 papers, 5 papers with code

Characterizing Information Seeking Processes with Multiple Physiological Signals

1 code implementation1 May 2024 Kaixin Ji, Danula Hettiachchi, Flora D. Salim, Falk Scholer, Damiano Spina

Information access systems are getting complex, and our understanding of user behavior during information seeking processes is mainly drawn from qualitative methods, such as observational studies or surveys.

Designing and Evaluating Presentation Strategies for Fact-Checked Content

1 code implementation20 Aug 2023 Danula Hettiachchi, Kaixin Ji, Jenny Kennedy, Anthony McCosker, Flora D. Salim, Mark Sanderson, Falk Scholer, Damiano Spina

We address this research gap by exploring the critical design elements in fact-checking reports and investigating whether credibility and presentation-based design improvements can enhance users' ability to interpret the report accurately.

Fact Checking Misinformation

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

no code implementations26 Apr 2023 Kaixin Ji, Damiano Spina, Danula Hettiachchi, Flora Dilys Salim, Falk Scholer

Physiological signals can potentially be applied as objective measures to understand the behavior and engagement of users interacting with information access systems.

Information Retrieval Retrieval

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

1 code implementation15 Dec 2021 Sachith Seneviratne, Nuran Kasthuriarachchi, Sanka Rasnayaka, Danula Hettiachchi, Ridwan Shariffdeen

Contactless and efficient systems are implemented rapidly to advocate preventive methods in the fight against the COVID-19 pandemic.

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

1 code implementation Proceedings of the ACM on Human-Computer Interaction 2020 Danula Hettiachchi, Niels van Berkel, Vassilis Kostakos, Jorge Goncalves

While crowd workers typically complete a variety of tasks in crowdsourcing platforms, there is no widely accepted method to successfully match workers to different types of tasks.

Sentiment Analysis

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