Recommendation Systems for e-Shopping: Review of Techniques for Retail and Sustainable Marketing

G Stalidis, I Karaveli, K Diamantaras, M Delianidi… - Sustainability, 2023 - mdpi.com
In recent years, the interest in recommendation systems (RSs) has dramatically increased,
as they have become main components of all online stores. The aims of an RS can be …

Grad-sam: Explaining transformers via gradient self-attention maps

O Barkan, E Hauon, A Caciularu, O Katz… - Proceedings of the 30th …, 2021 - dl.acm.org
Transformer-based language models significantly advanced the state-of-the-art in many
linguistic tasks. As this revolution continues, the ability to explain model predictions has …

Not all memories created equal: Dynamic user representations for collaborative filtering

K Gaiger, O Barkan, S Tsipory-Samuel… - Ieee …, 2023 - ieeexplore.ieee.org
Collaborative filtering methods for recommender systems tend to represent users as a single
static latent vector. However, user behavior and interests may dynamically change in the …

Deep integrated explanations

O Barkan, Y Elisha, J Weill, Y Asher, A Eshel… - Proceedings of the …, 2023 - dl.acm.org
This paper presents Deep Integrated Explanations (DIX)-a universal method for explaining
vision models. DIX generates explanation maps by integrating information from the …

Modeling users' heterogeneous taste with diversified attentive user profiles

O Barkan, T Shaked, Y Fuchs, N Koenigstein - User Modeling and User …, 2024 - Springer
Two important challenges in recommender systems are modeling users with heterogeneous
taste and providing explainable recommendations. In order to improve our understanding of …

Explainable recommendations via attentive multi-persona collaborative filtering

O Barkan, Y Fuchs, A Caciularu… - Proceedings of the 14th …, 2020 - dl.acm.org
Two main challenges in recommender systems are modeling users with heterogeneous
taste, and providing explainable recommendations. In this paper, we propose the neural …

Interpreting bert-based text similarity via activation and saliency maps

I Malkiel, D Ginzburg, O Barkan, A Caciularu… - Proceedings of the …, 2022 - dl.acm.org
Recently, there has been growing interest in the ability of Transformer-based models to
produce meaningful embeddings of text with several applications, such as text similarity …

Anchor-based collaborative filtering

O Barkan, R Hirsch, O Katz, A Caciularu… - Proceedings of the 30th …, 2021 - dl.acm.org
Modern-day recommender systems are often based on learning representations in a latent
vector space that encode user and item preferences. In these models, each user/item is …

A Counterfactual Framework for Learning and Evaluating Explanations for Recommender Systems

O Barkan, V Bogina, L Gurevitch, Y Asher… - Proceedings of the …, 2024 - dl.acm.org
In the field of recommender systems, explainability remains a pivotal yet challenging aspect.
To address this, we introduce the Learning to eXplain Recommendations (LXR) framework …

Stochastic integrated explanations for vision models

O Barkan, Y Elisha, J Weill, Y Asher… - … Conference on Data …, 2023 - ieeexplore.ieee.org
We introduce Stochastic Integrated Explanations (SIX)-a general method for explaining
predictions made by vision models. SIX employs stochastic integration on the internal …