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Pre-trained Language Models (PLMs) can be accurately fine-tuned for downstream text processing tasks. Recently, researchers have introduced several parameter-efficient fine-tuning methods that optimize input prompts or adjust a small number…

计算与语言 · 计算机科学 2024-06-07 Saeed Najafi , Alona Fyshe

Data selection is of great significance in pre-training large language models, given the variation in quality within the large-scale available training corpora. To achieve this, researchers are currently investigating the use of data…

Study samples often differ from the target populations of inference and policy decisions in non-random ways. Researchers typically believe that such departures from random sampling -- due to changes in the population over time and space, or…

统计方法学 · 统计学 2023-07-20 Tamara Broderick , Ryan Giordano , Rachael Meager

Driven by recent advances in artificial intelligence (AI), a growing literature has demonstrated the potential for using large language models (LLMs) as scalable surrogates to generate human-like responses in many business applications. Two…

机器学习 · 计算机科学 2025-12-30 Lei Wang , Zikun Ye , Jinglong Zhao

The influence function serves as an efficient post-hoc interpretability tool that quantifies the impact of training data modifications on model parameters, enabling enhanced model performance, improved generalization, and interpretability…

机器学习 · 计算机科学 2025-10-21 Muyao Wang , Zeke Xie , Bo Chen , Hongwei Liu , James Kwok

Existing deepfake analysis methods are primarily based on discriminative models, which significantly limit their application scenarios. This paper aims to explore interactive deepfake analysis by performing instruction tuning on multi-modal…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Lixiong Qin , Ning Jiang , Yang Zhang , Yuhan Qiu , Dingheng Zeng , Jiani Hu , Weihong Deng

Data attribution for text-to-image models aims to identify the training images that most significantly influenced a generated output. Existing attribution methods involve considerable computational resources for each query, making them…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Sheng-Yu Wang , Aaron Hertzmann , Alexei A Efros , Richard Zhang , Jun-Yan Zhu

Despite the risk of misspecification they are tied to, parametric models continue to be used in statistical practice because they are accessible to all. In particular, efficient estimation procedures in parametric models are simple to…

统计理论 · 数学 2016-09-01 Marco Carone , Alexander R. Luedtke , Mark J. van der Laan

Large language models (LLMs) power many state-of-the-art systems in natural language processing. However, these models are extremely computationally expensive, even at inference time, raising the natural question: when is the extra cost of…

机器学习 · 计算机科学 2023-05-05 Deepak Narayanan , Keshav Santhanam , Peter Henderson , Rishi Bommasani , Tony Lee , Percy Liang

As the complexity of machine learning (ML) models increases, resulting in a lack of prediction explainability, several methods have been developed to explain a model's behavior in terms of the training data points that most influence the…

机器学习 · 计算机科学 2021-07-14 Umang Bhatt , Isabel Chien , Muhammad Bilal Zafar , Adrian Weller

While text-to-image diffusion models have been shown to achieve state-of-the-art results in image synthesis, they have yet to prove their effectiveness in downstream applications. Previous work has proposed to generate data for image…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Jae Myung Kim , Jessica Bader , Stephan Alaniz , Cordelia Schmid , Zeynep Akata

Language Models (LMs) pre-trained with self-supervision on large text corpora have become the default starting point for developing models for various NLP tasks. Once the pre-training corpus has been assembled, all data samples in the…

计算与语言 · 计算机科学 2023-11-03 Megh Thakkar , Tolga Bolukbasi , Sriram Ganapathy , Shikhar Vashishth , Sarath Chandar , Partha Talukdar

Large language model (LLM) alignment is typically achieved through learning from human preference comparisons, making the quality of preference data critical to its success. Existing studies often pre-process raw training datasets to…

机器学习 · 计算机科学 2026-03-17 Zizhuo Zhang , Qizhou Wang , Shanshan Ye , Jianing Zhu , Jiangchao Yao , Bo Han , Masashi Sugiyama

Aligning Diffusion models has achieved remarkable breakthroughs in generating high-quality, human preference-aligned images. Existing techniques, such as supervised fine-tuning (SFT) and DPO-style preference optimization, have become…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Zening Sun , Zhengpeng Xie , Lichen Bai , Shitong Shao , Shuo Yang , Zeke Xie

Model selection requires repeatedly evaluating models on a given dataset and measuring their relative performances. In modern applications of machine learning, the models being considered are increasingly more expensive to evaluate and the…

机器学习 · 计算机科学 2020-10-21 Anant Raj , Cameron Musco , Lester Mackey , Nicolo Fusi

Large language models are first pre-trained on trillions of tokens and then instruction-tuned or aligned to specific preferences. While pre-training remains out of reach for most researchers due to the compute required, fine-tuning has…

计算与语言 · 计算机科学 2024-06-10 Megh Thakkar , Quentin Fournier , Matthew D Riemer , Pin-Yu Chen , Amal Zouaq , Payel Das , Sarath Chandar

In-context learning is a promising paradigm that utilizes in-context examples as prompts for the predictions of large language models. These prompts are crucial for achieving strong performance. However, since the prompts need to be sampled…

计算与语言 · 计算机科学 2025-07-15 Shaokun Zhang , Xiaobo Xia , Zhaoqing Wang , Ling-Hao Chen , Jiale Liu , Qingyun Wu , Tongliang Liu

We propose Inner Loop Feedback (ILF), a novel approach to accelerate diffusion models' inference. ILF trains a lightweight module to predict future features in the denoising process by leveraging the outputs from a chosen diffusion backbone…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Matthew Gwilliam , Han Cai , Di Wu , Abhinav Shrivastava , Zhiyu Cheng

Identifying the influence of training data for data cleansing can improve the accuracy of deep learning. An approach with stochastic gradient descent (SGD) called SGD-influence to calculate the influence scores was proposed, but, the…

机器学习 · 计算机科学 2021-06-02 Kenji Suzuki , Yoshiyuki Kobayashi , Takuya Narihira

Citation counts remain the dominant metric for assessing research impact, yet they suffer from well-documented limitations: temporal lag, disciplinary bias, and Matthew effects. Here we propose LLM-Metrics, a research-impact assessment…

人工智能 · 计算机科学 2026-05-22 Si Shen , Wenhua Zhao , Danhao Zhu