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Large Multimodal Models (LMMs) excel in natural language and visual understanding but are challenged by exacting tasks such as Knowledge-based Visual Question Answering (KB-VQA) which involve the retrieval of relevant information from…

计算与语言 · 计算机科学 2024-06-06 Weizhe Lin , Jingbiao Mei , Jinghong Chen , Bill Byrne

Continual learning (CL) in large language models (LLMs) is an evolving domain that focuses on developing efficient and sustainable training strategies to adapt models to emerging knowledge and achieve robustness in dynamic environments. Our…

计算与语言 · 计算机科学 2025-02-13 Çağatay Yıldız , Nishaanth Kanna Ravichandran , Nitin Sharma , Matthias Bethge , Beyza Ermis

Query rewriting (QR) is an increasingly important technique to reduce customer friction caused by errors in a spoken language understanding pipeline, where the errors originate from various sources such as speech recognition errors,…

计算与语言 · 计算机科学 2020-02-14 Zheng Chen , Xing Fan , Yuan Ling , Lambert Mathias , Chenlei Guo

Middle training methods aim to bridge the gap between the Masked Language Model (MLM) pre-training and the final finetuning for retrieval. Recent models such as CoCondenser, RetroMAE, and LexMAE argue that the MLM task is not sufficient…

信息检索 · 计算机科学 2023-06-06 Hervé Déjean , Stéphane Clinchant , Carlos Lassance , Simon Lupart , Thibault Formal

Large Language Models (LLMs) have shown remarkable capabilities across diverse tasks, yet they face inherent limitations such as constrained parametric knowledge and high retraining costs. Retrieval-Augmented Generation (RAG) augments the…

信息检索 · 计算机科学 2025-08-26 Leqian Li , Dianxi Shi , Jialu Zhou , Xinyu Wei , Mingyue Yang , Songchang Jin , Shaowu Yang

Lifelong learning (LL) aims to improve a predictive model as the data source evolves continuously. Most work in this learning paradigm has focused on resolving the problem of 'catastrophic forgetting,' which refers to a notorious dilemma…

机器学习 · 计算机科学 2023-03-09 Jinghan Jia , Yihua Zhang , Dogyoon Song , Sijia Liu , Alfred Hero

Prompt learning approaches have made waves in natural language processing by inducing better few-shot performance while they still follow a parametric-based learning paradigm; the oblivion and rote memorization problems in learning may…

计算与语言 · 计算机科学 2023-09-20 Xiang Chen , Lei Li , Ningyu Zhang , Xiaozhuan Liang , Shumin Deng , Chuanqi Tan , Fei Huang , Luo Si , Huajun Chen

Recent developments in Multimodal Large Language Models (MLLMs) have shown rapid progress, moving towards the goal of creating versatile MLLMs that understand inputs from various modalities. However, existing methods typically rely on joint…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Chi Chen , Yiyang Du , Zheng Fang , Ziyue Wang , Fuwen Luo , Peng Li , Ming Yan , Ji Zhang , Fei Huang , Maosong Sun , Yang Liu

Model reparameterization is a widely accepted technique for improving inference speed without compromising performance. However, current Post-training Quantization (PTQ) methods often lead to significant accuracy degradation when applied to…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Luoming Zhang , Yefei He , Wen Fei , Zhenyu Lou , Weijia Wu , YangWei Ying , Hong Zhou

Fine-tuning large language models (LLMs) is intended to improve their reasoning capabilities, yet we uncover a counterintuitive effect: models often forget how to solve problems they previously answered correctly during training. We term…

Multimodal learning has demonstrated incredible successes by integrating diverse data sources, yet it often relies on the availability of all modalities - an assumption that rarely holds in real-world applications. Pretrained multimodal…

机器学习 · 计算机科学 2025-04-21 Duy A. Nguyen , Quan Huu Do , Khoa D. Doan , Minh N. Do

In education, the capability of generating human-like text of Large Language Models (LLMs) inspired work on how they can increase the efficiency of learning and teaching. We study the affordability of these models for educators and students…

计算与语言 · 计算机科学 2025-03-06 Bianca Raimondi , Saverio Giallorenzo , Maurizio Gabbrielli

Continual learning aims to learn knowledge of tasks observed in sequential time steps while mitigating the forgetting of previously learned knowledge. Existing methods were designed to learn a single modality (e.g., image) over time, which…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Hyundong Jin , Eunwoo Kim

Inspired by the recent success of sequence modeling in RL and the use of masked language model for pre-training, we propose a masked model for pre-training in RL, RePreM (Representation Pre-training with Masked Model), which trains the…

机器学习 · 计算机科学 2023-03-06 Yuanying Cai , Chuheng Zhang , Wei Shen , Xuyun Zhang , Wenjie Ruan , Longbo Huang

Representation learning has been widely studied in the context of meta-learning, enabling rapid learning of new tasks through shared representations. Recent works such as MAML have explored using fine-tuning-based metrics, which measure the…

机器学习 · 计算机科学 2021-05-06 Kurtland Chua , Qi Lei , Jason D. Lee

Large Language Models (LLMs) require continuous updates to maintain accurate and current knowledge as the world evolves. While existing knowledge editing approaches offer various solutions for knowledge updating, they often struggle with…

人工智能 · 计算机科学 2025-06-17 Zichuan Fu , Xian Wu , Guojing Li , Yingying Zhang , Yefeng Zheng , Tianshi Ming , Yejing Wang , Wanyu Wang , Xiangyu Zhao

Large language models (LLMs) achieve strong performance across a wide range of tasks, but remain frozen after pretraining until subsequent updates. Many real-world applications require timely, domain-specific information, motivating the…

Continual learning (CL) is crucial for language models to dynamically adapt to the evolving real-world demands. To mitigate the catastrophic forgetting problem in CL, data replay has been proven a simple and effective strategy, and the…

计算与语言 · 计算机科学 2024-11-12 Jinghan He , Haiyun Guo , Kuan Zhu , Zihan Zhao , Ming Tang , Jinqiao Wang

With the rise of multimodal learning, image retrieval plays a crucial role in connecting visual information with natural language queries. Existing image retrievers struggle with processing long texts and handling unclear user expressions.…

信息检索 · 计算机科学 2026-03-31 Yuan Hu , ZhiYu Cao , PeiFeng Li , QiaoMing Zhu

Adapting general large language models (LLMs) to specialized domains presents great challenges due to varied data distributions. This adaptation typically requires continual pre-training on massive domain-specific corpora to facilitate…

计算与语言 · 计算机科学 2024-07-16 Jinhao Jiang , Junyi Li , Wayne Xin Zhao , Yang Song , Tao Zhang , Ji-Rong Wen