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Standard Sparse Autoencoders (SAEs) excel at discovering a dictionary of a model's learned features, offering a powerful observational lens. However, the ambiguous and ungrounded nature of these features makes them unreliable instruments…

机器学习 · 计算机科学 2025-09-29 Jianrong Ding , Muxi Chen , Chenchen Zhao , Qiang Xu

Sparse Autoencoders (SAEs) can extract interpretable features from large language models (LLMs) without supervision. However, their effectiveness in downstream steering tasks is limited by the requirement for contrastive datasets or large…

计算与语言 · 计算机科学 2026-05-05 Seonglae Cho , Zekun Wu , Adriano Koshiyama

Time series forecasting plays a crucial role in diverse fields, necessitating the development of robust models that can effectively handle complex temporal patterns. In this article, we present a novel feature selection method embedded in…

机器学习 · 计算机科学 2024-01-01 Raquel Espinosa , Fernando Jiménez , José Palma

Cancer is a complex disease with significant social and economic impact. Advancements in high-throughput molecular assays and the reduced cost for performing high-quality multi-omics measurements have fuelled insights through machine…

机器学习 · 计算机科学 2022-06-28 Pedro Henrique da Costa Avelar , Roman Laddach , Sophia Karagiannis , Min Wu , Sophia Tsoka

While the activations of neurons in deep neural networks usually do not have a simple human-understandable interpretation, sparse autoencoders (SAEs) can be used to transform these activations into a higher-dimensional latent space which…

机器学习 · 计算机科学 2025-08-07 Gonçalo Paulo , Alex Mallen , Caden Juang , Nora Belrose

Model internals encode rich information about how a large language model (LLM) processes its training data; however, post-training data engineering largely relies on external signals and ignores rich intrinsic signals lying in model…

机器学习 · 计算机科学 2026-05-27 Yi Jing , Zao Dai , Jinwu Hu , Zijun Yao , Lei Hou , Juanzi Li , Xiaozhi Wang

This paper assesses the performance of five machine learning classifiers: Decision Tree, Naive Bayes, LightGBM, Logistic Regression, and Random Forest using latent representations learned by a Variational Autoencoder from malware datasets.…

密码学与安全 · 计算机科学 2025-05-01 Bamidele Ajayi , Basel Barakat , Ken McGarry

Sparse autoencoders (SAEs) have emerged as a powerful tool for interpreting neural networks by extracting the concepts represented in their activations. However, choosing the size of the SAE dictionary (i.e. number of learned concepts)…

机器学习 · 计算机科学 2025-03-25 Bart Bussmann , Noa Nabeshima , Adam Karvonen , Neel Nanda

Large language models (LLMs) have demonstrated impressive capabilities in natural language understanding and generation, but controlling their behavior reliably remains challenging, especially in open-ended generation settings. This paper…

计算与语言 · 计算机科学 2025-12-08 Zirui He , Mingyu Jin , Bo Shen , Ali Payani , Yongfeng Zhang , Mengnan Du

Although sparse autoencoders (SAEs) are crucial for identifying interpretable features in neural networks, it is still challenging to distinguish between real computational patterns and erroneous correlations. We introduce Model-X knockoffs…

机器学习 · 计算机科学 2025-11-18 Tsogt-Ochir Enkhbayar

Feature selection reduces the dimensionality of data by identifying a subset of the most informative features. In this paper, we propose an innovative framework for unsupervised feature selection, called fractal autoencoders (FAE). It…

机器学习 · 计算机科学 2022-01-06 Xinxing Wu , Qiang Cheng

Sparse autoencoders (SAEs) have shown promise in extracting interpretable features from complex neural networks. We present one of the first applications of SAEs to dense text embeddings from large language models, demonstrating their…

机器学习 · 计算机科学 2024-08-06 Charles O'Neill , Christine Ye , Kartheik Iyer , John F. Wu

Automated analysis of surgical videos is crucial for improving surgical training, workflow optimization, and postoperative assessment. We introduce a CSMAE, Masked Autoencoder (MAE)-based pretraining approach, specifically developed for…

计算机视觉与模式识别 · 计算机科学 2025-02-14 Nisarg A. Shah , Wele Gedara Chaminda Bandara , Shameema Skider , S. Swaroop Vedula , Vishal M. Patel

Inspite the emerging importance of Speech Emotion Recognition (SER), the state-of-the-art accuracy is quite low and needs improvement to make commercial applications of SER viable. A key underlying reason for the low accuracy is the…

声音 · 计算机科学 2020-03-24 Siddique Latif , Rajib Rana , Sara Khalifa , Raja Jurdak , Julien Epps , Björn W. Schuller

The task of anomaly detection is to separate anomalous data from normal data in the dataset. Models such as deep convolutional autoencoder (CAE) network and deep supporting vector data description (SVDD) model have been universally employed…

机器学习 · 计算机科学 2024-11-19 Wei Huang , Bingyang Zhang , Kaituo Zhang , Hua Gao , Rongchun Wan

We demonstrate a new deep learning autoencoder network, trained by a nonnegativity constraint algorithm (NCAE), that learns features which show part-based representation of data. The learning algorithm is based on constraining negative…

机器学习 · 计算机科学 2016-01-13 Ehsan Hosseini-Asl , Jacek M. Zurada , Olfa Nasraoui

Modern vehicles can be thought of as complex distributed embedded systems that run a variety of automotive applications with real-time constraints. Recent advances in the automotive industry towards greater autonomy are driving vehicles to…

机器学习 · 计算机科学 2021-07-13 Vipin K. Kukkala , Sooryaa V. Thiruloga , Sudeep Pasricha

Sparse autoencoders (SAEs) have emerged as a powerful tool for uncovering interpretable features in large language models (LLMs) through the sparse directions they learn. However, the sheer number of extracted directions makes comprehensive…

计算与语言 · 计算机科学 2025-11-11 Xinyuan Yan , Shusen Liu , Kowshik Thopalli , Bei Wang

Zero-shot skeleton-based action recognition (ZSAR) aims to recognize action classes without any training skeletons from those classes, relying instead on auxiliary semantics from text. Existing approaches frequently depend on explicit…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Soroush Oraki , Feng Ding , Jie Liang

Pathology plays an important role in disease diagnosis, treatment decision-making and drug development. Previous works on interpretability for machine learning models on pathology images have revolved around methods such as attention value…