activity
20132026
most citedAutoencoders

124 citations · 209 across the 31 of their papers we have counts for

collaborators

37 papers

cs.CV2026

ConEx: Human-Interpretable Saliency Maps via Concept-Aware Attribution

Yehonatan Elisha, Oren Barkan, Ziv Weiss Haddad +1

Many visual explanation methods in computer vision highlight pixel importance but struggle to link these low-level cues to semantically meaningful concepts, limiting their interpre…

cs.IR2026

Why This, Not That? Mining User Profiles for Pair-wise Counterfactuals

Meysam Varasteh, Veronika Bogina, Noam Koenigstein +1

The topic of explanation in recommender systems has seen steady research attention since the earliest days of the field. With some exceptions, this work has focused on the explanat…

cs.CV2026

Concept-Guided Fine-Tuning: Steering ViTs away from Spurious Correlations to Improve Robustness

Yehonatan Elisha, Oren Barkan, Noam Koenigstein

Vision Transformers (ViTs) often degrade under distribution shifts because they rely on spurious correlations, such as background cues, rather than semantically meaningful features…

cs.IR2025

Fidelity-Aware Recommendation Explanations via Stochastic Path Integration

Oren Barkan, Yahlly Schein, Yehonatan Elisha +3

Explanation fidelity, which measures how accurately an explanation reflects a model's true reasoning, remains critically underexplored in recommender systems. We introduce SPINRec…

cs.IR2025

Extracting Interaction-Aware Monosemantic Concepts in Recommender Systems

Dor Arviv, Yehonatan Elisha, Oren Barkan +1

We present a method for extracting \emph{monosemantic} neurons, defined as latent dimensions that align with coherent and interpretable concepts, from user and item embeddings in r…

cs.CV2025

Rethinking Saliency Maps: A Cognitive Human Aligned Taxonomy and Evaluation Framework for Explanations

Yehonatan Elisha, Seffi Cohen, Oren Barkan +1

Saliency maps are widely used for visual explanations in deep learning, but a fundamental lack of consensus persists regarding their intended purpose and alignment with diverse use…

cs.LG2024

BEE: Metric-Adapted Explanations via Baseline Exploration-Exploitation

Oren Barkan, Yehonatan Elisha, Jonathan Weill +1

Two prominent challenges in explainability research involve 1) the nuanced evaluation of explanations and 2) the modeling of missing information through baseline representations. T…

cs.CL2024★ 2 cited

InterrogateLLM: Zero-Resource Hallucination Detection in LLM-Generated Answers

Yakir Yehuda, Itzik Malkiel, Oren Barkan +3

Despite the many advances of Large Language Models (LLMs) and their unprecedented rapid evolution, their impact and integration into every facet of our daily lives is limited due t…

eess.AS2024

DiffMoog: a Differentiable Modular Synthesizer for Sound Matching

Noy Uzrad, Oren Barkan, Almog Elharar +4

This paper presents DiffMoog - a differentiable modular synthesizer with a comprehensive set of modules typically found in commercial instruments. Being differentiable, it allows i…

cs.CV2023

Visual Explanations via Iterated Integrated Attributions

Oren Barkan, Yehonatan Elisha, Yuval Asher +2

We introduce Iterated Integrated Attributions (IIA) - a generic method for explaining the predictions of vision models. IIA employs iterative integration across the input image, th…

cs.CV2023

Deep Integrated Explanations

Oren Barkan, Yehonatan Elisha, Jonathan Weill +3

This paper presents Deep Integrated Explanations (DIX) - a universal method for explaining vision models. DIX generates explanation maps by integrating information from the interme…

cs.CV2023

Learning to Explain: A Model-Agnostic Framework for Explaining Black Box Models

Oren Barkan, Yuval Asher, Amit Eshel +2

We present Learning to Explain (LTX), a model-agnostic framework designed for providing post-hoc explanations for vision models. The LTX framework introduces an "explainer" model t…

cs.CV2023

Efficient Discovery and Effective Evaluation of Visual Perceptual Similarity: A Benchmark and Beyond

Oren Barkan, Tal Reiss, Jonathan Weill +4

Visual similarities discovery (VSD) is an important task with broad e-commerce applications. Given an image of a certain object, the goal of VSD is to retrieve images of different…

cs.LG2023

Representation Learning via Variational Bayesian Networks

Oren Barkan, Avi Caciularu, Idan Rejwan +4

We present Variational Bayesian Network (VBN) - a novel Bayesian entity representation learning model that utilizes hierarchical and relational side information and is particularly…

cs.CL2023★ 2 cited

GPT-Calls: Enhancing Call Segmentation and Tagging by Generating Synthetic Conversations via Large Language Models

Itzik Malkiel, Uri Alon, Yakir Yehuda +4

Transcriptions of phone calls are of significant value across diverse fields, such as sales, customer service, healthcare, and law enforcement. Nevertheless, the analysis of these…

cs.CR2023★ 1 cited

Detecting Security Patches via Behavioral Data in Code Repositories

Nitzan Farhi, Noam Koenigstein, Yuval Shavitt

The absolute majority of software today is developed collaboratively using collaborative version control tools such as Git. It is a common practice that once a vulnerability is det…

cs.CL2022

Interpreting BERT-based Text Similarity via Activation and Saliency Maps

Itzik Malkiel, Dvir Ginzburg, Oren Barkan +3

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. De…

cs.CL2022

MetricBERT: Text Representation Learning via Self-Supervised Triplet Training

Itzik Malkiel, Dvir Ginzburg, Oren Barkan +3

We present MetricBERT, a BERT-based model that learns to embed text under a well-defined similarity metric while simultaneously adhering to the ``traditional'' masked-language task…

cs.LG2022★ 43 cited

Grad-SAM: Explaining Transformers via Gradient Self-Attention Maps

Oren Barkan, Edan Hauon, Avi Caciularu +4

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 b…

cs.IR2021

Cold Item Integration in Deep Hybrid Recommenders via Tunable Stochastic Gates

Oren Barkan, Roy Hirsch, Ori Katz +3

A major challenge in collaborative filtering methods is how to produce recommendations for cold items (items with no ratings), or integrate cold item into an existing catalog. Over…

cs.CV2021★ 1 cited

GAM: Explainable Visual Similarity and Classification via Gradient Activation Maps

Oren Barkan, Omri Armstrong, Amir Hertz +4

We present Gradient Activation Maps (GAM) - a machinery for explaining predictions made by visual similarity and classification models. By gleaning localized gradient and activatio…

cs.CL2021★ 16 cited

Self-Supervised Document Similarity Ranking via Contextualized Language Models and Hierarchical Inference

Dvir Ginzburg, Itzik Malkiel, Oren Barkan +2

We present a novel model for the problem of ranking a collection of documents according to their semantic similarity to a source (query) document. While the problem of document-to-…

econ.GN2020★ 1 cited

Forecasting CPI Inflation Components with Hierarchical Recurrent Neural Networks

Oren Barkan, Jonathan Benchimol, Itamar Caspi +3

We present a hierarchical architecture based on Recurrent Neural Networks (RNNs) for predicting disaggregated inflation components of the Consumer Price Index (CPI). While the majo…

cs.IR2020

Explainable Recommendations via Attentive Multi-Persona Collaborative Filtering

Oren Barkan, Yonatan Fuchs, Avi Caciularu +1

Two main challenges in recommender systems are modeling users with heterogeneous taste, and providing explainable recommendations. In this paper, we propose the neural Attentive Mu…