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Extreme Multi-label Text Classification (XMC) entails selecting the most relevant labels for an instance from a vast label set. Extreme Zero-shot XMC (EZ-XMC) extends this challenge by operating without annotated data, relying only on raw…

机器学习 · 计算机科学 2025-02-25 Jinbin Zhang , Nasib Ullah , Rohit Babbar

Large language models (LLMs) often necessitate extensive labeled datasets and training compute to achieve impressive performance across downstream tasks. This paper explores a self-training paradigm, where the LLM autonomously curates its…

计算与语言 · 计算机科学 2024-11-13 Wei Jie Yeo , Teddy Ferdinan , Przemyslaw Kazienko , Ranjan Satapathy , Erik Cambria

Conventional research on large language models (LLMs) has primarily focused on refining output distributions, while paying less attention to the decoding process that transforms these distributions into final responses. Recent advances,…

计算与语言 · 计算机科学 2025-10-28 Chenheng Zhang , Tianqi Du , Jizhe Zhang , Mingqing Xiao , Yifei Wang , Yisen Wang , Zhouchen Lin

While in-context Learning (ICL) has proven to be an effective technique to improve the performance of Large Language Models (LLMs) in a variety of complex tasks, notably in translating natural language questions into Structured Query…

计算与语言 · 计算机科学 2024-06-13 Yuxi Feng , Raymond Li , Zhenan Fan , Giuseppe Carenini , Mohammadreza Pourreza , Weiwei Zhang , Yong Zhang

Large Language Models (LLMs) often generate inaccurate responses (hallucinations) when faced with questions beyond their knowledge scope. Retrieval-Augmented Generation (RAG) addresses this by leveraging external knowledge, but a critical…

信息检索 · 计算机科学 2025-09-10 Haoxiang Jin , Ronghan Li , Zixiang Lu , Qiguang Miao

Recent multilingual pre-trained models have shown better performance in various multilingual tasks. However, these models perform poorly on multilingual retrieval tasks due to lacking multilingual training data. In this paper, we propose to…

信息检索 · 计算机科学 2023-03-28 Houxing Ren , Linjun Shou , Jian Pei , Ning Wu , Ming Gong , Daxin Jiang

While Large Language Models (LLMs) have exhibited remarkable emergent capabilities through extensive pre-training, they still face critical limitations in generalizing to specialized domains and handling diverse linguistic variations, known…

计算与语言 · 计算机科学 2025-05-28 Jinwu Hu , Zhitian Zhang , Guohao Chen , Xutao Wen , Chao Shuai , Wei Luo , Bin Xiao , Yuanqing Li , Mingkui Tan

Tool-augmented large language models (LLMs) are attracting widespread attention when accessing up-to-date knowledge and alleviating hallucination issues. Nowadays, advanced closed-source LLMs (e.g., ChatGPT) have demonstrated surprising…

计算与语言 · 计算机科学 2024-08-29 Anchun Gui , Jian Li , Yong Dai , Nan Du , Han Xiao

In the field of information retrieval, Query Likelihood Models (QLMs) rank documents based on the probability of generating the query given the content of a document. Recently, advanced large language models (LLMs) have emerged as effective…

信息检索 · 计算机科学 2023-10-23 Shengyao Zhuang , Bing Liu , Bevan Koopman , Guido Zuccon

Multimodal Large Language Models (MLLMs) have demonstrated strong cross-modal reasoning capabilities, yet their potential for vision-only tasks remains underexplored. We investigate MLLMs as training-free similarity estimators for…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Bahey Tharwat , Giorgos Kordopatis-Zilos , Pavel Suma , Ian Reid , Giorgos Tolias

Self-supervised automatic speech recognition (SSL-ASR) is an ASR approach that uses speech encoders pretrained on large amounts of unlabeled audio (e.g., wav2vec2.0 or HuBERT) and then fine-tunes them with limited labeled data to perform…

音频与语音处理 · 电气工程与系统科学 2026-01-07 Eyal Cohen , Bhiksha Raj , Joseph Keshet

In-context learning (ICL) enables large language models (LLMs) to perform new tasks using only a few demonstrations. However, in Named Entity Recognition (NER), existing ICL methods typically rely on task-agnostic semantic similarity for…

计算与语言 · 计算机科学 2025-10-30 Fan Bai , Hamid Hassanzadeh , Ardavan Saeedi , Mark Dredze

Large Language Models (LLMs) are being increasingly explored as general-purpose tools for recommendation tasks, enabling zero-shot and instruction-following capabilities without the need for task-specific training. While the research…

信息检索 · 计算机科学 2025-08-05 Ethan Bito , Yongli Ren , Estrid He

Large Language Models (LLMs) have shown impressive zero-shot performance across a variety of Natural Language Processing tasks, including document re-ranking. However, their effectiveness degrades on unseen tasks and domains, largely due to…

信息检索 · 计算机科学 2025-05-02 Marco Braga , Pranav Kasela , Alessandro Raganato , Gabriella Pasi

Retrieval-augmented generation (RAG) systems combine large language models (LLMs) with external knowledge retrieval, making them highly effective for knowledge-intensive tasks. A crucial but often under-explored component of these systems…

计算与语言 · 计算机科学 2025-05-19 Jiashuo Sun , Xianrui Zhong , Sizhe Zhou , Jiawei Han

In this paper, we systematically study the potential of pre-training with Large Language Model(LLM)-based document expansion for dense passage retrieval. Concretely, we leverage the capabilities of LLMs for document expansion, i.e. query…

信息检索 · 计算机科学 2023-08-17 Guangyuan Ma , Xing Wu , Peng Wang , Zijia Lin , Songlin Hu

Neural rankers based on deep pretrained language models (LMs) have been shown to improve many information retrieval benchmarks. However, these methods are affected by their the correlation between pretraining domain and target domain and…

信息检索 · 计算机科学 2020-11-04 Chenyan Xiong , Zhenghao Liu , Si Sun , Zhuyun Dai , Kaitao Zhang , Shi Yu , Zhiyuan Liu , Hoifung Poon , Jianfeng Gao , Paul Bennett

Large Language Models (LLMs) have swiftly emerged as vital resources for different applications in the biomedical and healthcare domains; however, these models encounter issues such as generating inaccurate information or hallucinations.…

计算与语言 · 计算机科学 2024-05-06 Mingchen Li , Halil Kilicoglu , Hua Xu , Rui Zhang

Evaluating the performance of large language models (LLMs) from human preference data is crucial for obtaining LLM leaderboards. However, many existing approaches either rely on restrictive parametric assumptions or lack valid uncertainty…

机器学习 · 计算机科学 2026-01-30 Dennis Frauen , Athiya Deviyani , Mihaela van der Schaar , Stefan Feuerriegel

The increase in parameter size of multimodal large language models (MLLMs) introduces significant capabilities, particularly in-context learning, where MLLMs enhance task performance without updating pre-trained parameters. This…

计算与语言 · 计算机科学 2024-11-13 Yang Luo , Zangwei Zheng , Zirui Zhu , Yang You