activity
20182026
most citedStress-Testing Neural Models of Natural Language Inference with Multiply-Quantified Sentences

24 citations · 95 across the 28 of their papers we have counts for

collaborators

31 papers

cs.AI2026

Bucketing the Good Apples: A Method for Diagnosing and Improving Causal Abstraction

Li Puyin, Jiyuan Tan, Ahmad Jabbar +2

We present a method for diagnosing interpretation in neural networks by identifying an input subspace where a proposed interpretation is highly faithful. Our method is particularly…

cs.LG2025★ 1 cited

How Causal Abstraction Underpins Computational Explanation

Atticus Geiger, Jacqueline Harding, Thomas Icard

Explanations of cognitive behavior often appeal to computations over representations. What does it take for a system to implement a given computation over suitable representational…

cs.CL2025

HyperSteer: Activation Steering at Scale with Hypernetworks

Jiuding Sun, Sidharth Baskaran, Zhengxuan Wu +3

Steering language models (LMs) by modifying internal activations is a popular approach for controlling text generation. Unsupervised dictionary learning methods, e.g., sparse autoe…

cs.CL2025

HyperDAS: Towards Automating Mechanistic Interpretability with Hypernetworks

Jiuding Sun, Jing Huang, Sidharth Baskaran +4

Mechanistic interpretability has made great strides in identifying neural network features (e.g., directions in hidden activation space) that mediate concepts(e.g., the birth year…

cs.LG2025

Combining Causal Models for More Accurate Abstractions of Neural Networks

Theodora-Mara Pîslar, Sara Magliacane, Atticus Geiger

Mechanistic interpretability aims to reverse engineer neural networks by uncovering which high-level algorithms they implement. Causal abstraction provides a precise notion of when…

cs.CL2025

AxBench: Steering LLMs? Even Simple Baselines Outperform Sparse Autoencoders

Zhengxuan Wu, Aryaman Arora, Atticus Geiger +5

Fine-grained steering of language model outputs is essential for safety and reliability. Prompting and finetuning are widely used to achieve these goals, but interpretability resea…

cs.LG2024

Evaluating Open-Source Sparse Autoencoders on Disentangling Factual Knowledge in GPT-2 Small

Maheep Chaudhary, Atticus Geiger

A popular new method in mechanistic interpretability is to train high-dimensional sparse autoencoders (SAEs) on neuron activations and use SAE features as the atomic units of analy…

cs.LG2024★ 1 cited

Recurrent Neural Networks Learn to Store and Generate Sequences using Non-Linear Representations

Róbert Csordás, Christopher Potts, Christopher D. Manning +1

The Linear Representation Hypothesis (LRH) states that neural networks learn to encode concepts as directions in activation space, and a strong version of the LRH states that model…

cs.CV2024

Updating CLIP to Prefer Descriptions Over Captions

Amir Zur, Elisa Kreiss, Karel D'Oosterlinck +2

Although CLIPScore is a powerful generic metric that captures the similarity between a text and an image, it fails to distinguish between a caption that is meant to complement the…

cs.CL2024★ 4 cited

ReFT: Representation Finetuning for Language Models

Zhengxuan Wu, Aryaman Arora, Zheng Wang +4

Parameter-efficient finetuning (PEFT) methods seek to adapt large neural models via updates to a small number of weights. However, much prior interpretability work has shown that r…

cs.LG2024★ 1 cited

pyvene: A Library for Understanding and Improving PyTorch Models via Interventions

Zhengxuan Wu, Atticus Geiger, Aryaman Arora +5

Interventions on model-internal states are fundamental operations in many areas of AI, including model editing, steering, robustness, and interpretability. To facilitate such resea…

cs.CL2024

RAVEL: Evaluating Interpretability Methods on Disentangling Language Model Representations

Jing Huang, Zhengxuan Wu, Christopher Potts +2

Individual neurons participate in the representation of multiple high-level concepts. To what extent can different interpretability methods successfully disentangle these roles? To…

cs.LG2024

A Reply to Makelov et al. (2023)'s "Interpretability Illusion" Arguments

Zhengxuan Wu, Atticus Geiger, Jing Huang +4

We respond to the recent paper by Makelov et al. (2023), which reviews subspace interchange intervention methods like distributed alignment search (DAS; Geiger et al. 2023) and cla…

cs.LG2023★ 8 cited

Linear Representations of Sentiment in Large Language Models

Curt Tigges, Oskar John Hollinsworth, Atticus Geiger +1

Sentiment is a pervasive feature in natural language text, yet it is an open question how sentiment is represented within Large Language Models (LLMs). In this study, we reveal tha…

cs.CL2023

Rigorously Assessing Natural Language Explanations of Neurons

Jing Huang, Atticus Geiger, Karel D'Oosterlinck +2

Natural language is an appealing medium for explaining how large language models process and store information, but evaluating the faithfulness of such explanations is challenging.…

cs.CL2023★ 9 cited

ScoNe: Benchmarking Negation Reasoning in Language Models With Fine-Tuning and In-Context Learning

Jingyuan Selena She, Christopher Potts, Samuel R. Bowman +1

A number of recent benchmarks seek to assess how well models handle natural language negation. However, these benchmarks lack the controlled example paradigms that would allow us t…

cs.CL2023★ 8 cited

Interpretability at Scale: Identifying Causal Mechanisms in Alpaca

Zhengxuan Wu, Atticus Geiger, Thomas Icard +2

Obtaining human-interpretable explanations of large, general-purpose language models is an urgent goal for AI safety. However, it is just as important that our interpretability met…

cs.AI2023★ 9 cited

Finding Alignments Between Interpretable Causal Variables and Distributed Neural Representations

Atticus Geiger, Zhengxuan Wu, Christopher Potts +2

Causal abstraction is a promising theoretical framework for explainable artificial intelligence that defines when an interpretable high-level causal model is a faithful simplificat…

cs.AI2023★ 11 cited

Causal Abstraction: A Theoretical Foundation for Mechanistic Interpretability

Atticus Geiger, Duligur Ibeling, Amir Zur +8

Causal abstraction provides a theoretical foundation for mechanistic interpretability, the field concerned with providing intelligible algorithms that are faithful simplifications…

cs.AI2022

Causal Abstraction with Soft Interventions

Riccardo Massidda, Atticus Geiger, Thomas Icard +1

Causal abstraction provides a theory describing how several causal models can represent the same system at different levels of detail. Existing theoretical proposals limit the anal…

cs.CL2022★ 6 cited

Causal Proxy Models for Concept-Based Model Explanations

Zhengxuan Wu, Karel D'Oosterlinck, Atticus Geiger +2

Explainability methods for NLP systems encounter a version of the fundamental problem of causal inference: for a given ground-truth input text, we never truly observe the counterfa…

cs.CL2022★ 6 cited

CEBaB: Estimating the Causal Effects of Real-World Concepts on NLP Model Behavior

Eldar David Abraham, Karel D'Oosterlinck, Amir Feder +5

The increasing size and complexity of modern ML systems has improved their predictive capabilities but made their behavior harder to explain. Many techniques for model explanation…

cs.CL2021

Causal Distillation for Language Models

Zhengxuan Wu, Atticus Geiger, Josh Rozner +5

Distillation efforts have led to language models that are more compact and efficient without serious drops in performance. The standard approach to distillation trains a student mo…

cs.LG2021★ 4 cited

Inducing Causal Structure for Interpretable Neural Networks

Atticus Geiger, Zhengxuan Wu, Hanson Lu +5

In many areas, we have well-founded insights about causal structure that would be useful to bring into our trained models while still allowing them to learn in a data-driven fashio…