Search Results for author: Luis A. Leiva

Found 12 papers, 5 papers with code

EyeFormer: Predicting Personalized Scanpaths with Transformer-Guided Reinforcement Learning

no code implementations15 Apr 2024 Yue Jiang, Zixin Guo, Hamed Rezazadegan Tavakoli, Luis A. Leiva, Antti Oulasvirta

From a visual perception perspective, modern graphical user interfaces (GUIs) comprise a complex graphics-rich two-dimensional visuospatial arrangement of text, images, and interactive objects such as buttons and menus.

reinforcement-learning

Artful Path to Healing: Using Machine Learning for Visual Art Recommendation to Prevent and Reduce Post-Intensive Care

no code implementations23 Feb 2024 Bereket A. Yilma, Chan Mi Kim, Gerald C. Cupchik, Luis A. Leiva

Staying in the intensive care unit (ICU) is often traumatic, leading to post-intensive care syndrome (PICS), which encompasses physical, psychological, and cognitive impairments.

Recommendation Systems

The Elements of Visual Art Recommendation: Learning Latent Semantic Representations of Paintings

1 code implementation28 Feb 2023 Bereket A. Yilma, Luis A. Leiva

Artwork recommendation is challenging because it requires understanding how users interact with highly subjective content, the complexity of the concepts embedded within the artwork, and the emotional and cognitive reflections they may trigger in users.

Recommendation Systems

Adapting User Interfaces with Model-based Reinforcement Learning

no code implementations11 Mar 2021 Kashyap Todi, Gilles Bailly, Luis A. Leiva, Antti Oulasvirta

Adapting an interface requires taking into account both the positive and negative effects that changes may have on the user.

Model-based Reinforcement Learning reinforcement-learning +1

My Mouse, My Rules: Privacy Issues of Behavioral User Profiling via Mouse Tracking

1 code implementation22 Jan 2021 Luis A. Leiva, Ioannis Arapakis, Costas Iordanou

This paper aims to stir debate about a disconcerting privacy issue on web browsing that could easily emerge because of unethical practices and uncontrolled use of technology.

Understanding Visual Saliency in Mobile User Interfaces

no code implementations22 Jan 2021 Luis A. Leiva, Yunfei Xue, Avya Bansal, Hamed R. Tavakoli, Tuğçe Köroğlu, Niraj R. Dayama, Antti Oulasvirta

For graphical user interface (UI) design, it is important to understand what attracts visual attention.

Query Abandonment Prediction with Recurrent Neural Models of Mouse Cursor Movements

1 code implementation22 Jan 2021 Lukas Brückner, Ioannis Arapakis, Luis A. Leiva

Most successful search queries do not result in a click if the user can satisfy their information needs directly on the SERP.

Learning Efficient Representations of Mouse Movements to Predict User Attention

1 code implementation30 May 2020 Ioannis Arapakis, Luis A. Leiva

Tracking mouse cursor movements can be used to predict user attention on heterogeneous page layouts like SERPs.

Re-Ranking Time Series +1

A Price-Per-Attention Auction Scheme Using Mouse Cursor Information

no code implementations21 Jan 2020 Ioannis Arapakis, Antonio Penta, Hideo Joho, Luis A. Leiva

There is thus an opportunity to devise a more effective ad pricing paradigm, in which ads are paid only if they are actually noticed.

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