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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

A recent Large language model (LLM)-based recommendation model, called RecRanker, has demonstrated a superior performance in the top-k recommendation task compared to other models. In particular, RecRanker samples users via clustering,…

信息检索 · 计算机科学 2025-07-09 Zeyuan Meng , Zixuan Yi , Iadh Ounis

Large language models increasingly rely on either reinforcement learning or multi-agent prompting to improve reasoning, yet these two paradigms remain difficult to combine. Directly applying single-agent reinforcement learning to multi-turn…

人工智能 · 计算机科学 2026-05-28 Chusen Li , Zhou Liu , Shuigeng Zhou , Wentao Zhang

In the era of large language model, relation extraction (RE) plays an important role in information extraction through the transformation of unstructured raw text into structured data (Wadhwa et al., 2023). In this paper, we systematically…

计算与语言 · 计算机科学 2025-09-16 Bowen Jing , Yang Cui , Tianpeng Huang

Recently, deep learning methods have been shown to improve the performance of recommender systems over traditional methods, especially when review text is available. For example, a recent model, DeepCoNN, uses neural nets to learn one…

信息检索 · 计算机科学 2017-07-03 Rose Catherine , William Cohen

Large transformer models, such as BERT, achieve state-of-the-art results in machine reading comprehension (MRC) for open-domain question answering (QA). However, transformers have a high computational cost for inference which makes them…

计算与语言 · 计算机科学 2021-08-06 Haytham ElFadeel , Stan Peshterliev

Large Transformer networks are increasingly used in settings where low inference latency can improve the end-user experience and enable new applications. However, autoregressive inference is resource intensive and requires parallelism for…

机器学习 · 计算机科学 2024-08-20 Rohan Baskar Prabhakar , Hengrui Zhang , David Wentzlaff

Reranking is a critical component in recommender systems, playing an essential role in refining the output of recommendation algorithms. Traditional reranking models have focused predominantly on accuracy, but modern applications demand…

信息检索 · 计算机科学 2025-02-04 Jingtong Gao , Bo Chen , Weiwen Liu , Xiangyang Li , Yichao Wang , Wanyu Wang , Huifeng Guo , Ruiming Tang , Xiangyu Zhao

Despite their immense promise in performing a variety of learning tasks, a theoretical understanding of the limitations of Deep Neural Networks (DNNs) has so far eluded practitioners. This is partly due to the inability to determine the…

机器学习 · 计算机科学 2024-01-25 Saad Qadeer , Andrew Engel , Amanda Howard , Adam Tsou , Max Vargas , Panos Stinis , Tony Chiang

This paper investigates the Neural Tangent Kernel (NTK) to search vision transformers without training. In contrast with the previous observation that NTK-based metrics can effectively predict CNNs performance at initialization, we…

计算机视觉与模式识别 · 计算机科学 2024-05-09 Qiqi Zhou , Yichen Zhu

Incremental processing allows interactive systems to respond based on partial inputs, which is a desirable property e.g. in dialogue agents. The currently popular Transformer architecture inherently processes sequences as a whole,…

计算与语言 · 计算机科学 2024-05-03 Patrick Kahardipraja , Brielen Madureira , David Schlangen

This work proposes kernel transform learning. The idea of dictionary learning is well known; it is a synthesis formulation where a basis is learnt along with the coefficients so as to generate or synthesize the data. Transform learning is…

计算机视觉与模式识别 · 计算机科学 2020-08-10 Jyoti Maggu , Angshul Majumdar

Since radiology reports needed for clinical practice and research are written and stored in free-text narrations, extraction of relative information for further analysis is difficult. In these circumstances, natural language processing…

计算与语言 · 计算机科学 2022-09-27 Seyed Ali Reza Moezzi , Abdolrahman Ghaedi , Mojdeh Rahmanian , Seyedeh Zahra Mousavi , Ashkan Sami

Existing neural ranking models follow the text matching paradigm, where document-to-query relevance is estimated through predicting the matching score. Drawing from the rich literature of classical generative retrieval models, we introduce…

Large language models (LLMs) demonstrate strong reasoning capabilities, but their performance often degrades under distribution shift. Existing test-time adaptation (TTA) methods rely on gradient-based updates that require white-box access…

计算与语言 · 计算机科学 2026-04-16 Kaiwen Zheng , Kai Zhou , Jinwu Hu , Te Gu , Mingkai Peng , Fei Liu

Large language models (LLMs) face inherent performance bottlenecks under parameter constraints, particularly in processing critical tokens that demand complex reasoning. Empirical analysis reveals challenging tokens induce abrupt gradient…

计算与语言 · 计算机科学 2025-02-25 Yilong Chen , Junyuan Shang , Zhenyu Zhang , Yanxi Xie , Jiawei Sheng , Tingwen Liu , Shuohuan Wang , Yu Sun , Hua Wu , Haifeng Wang

Modern large language models (LLMs) excel at tasks that require storing and retrieving knowledge, such as factual recall and question answering. Transformers are central to this capability because they can encode information during training…

机器学习 · 统计学 2026-03-18 Nuri Mert Vural , Alberto Bietti , Mahdi Soltanolkotabi , Denny Wu

There is intense interest in investigating how inference time compute (ITC) (e.g. repeated sampling, refinements, etc) can improve large language model (LLM) capabilities. At the same time, recent breakthroughs in reasoning models, such as…

Resource limitations often constrain the parameter counts of Large Language Models (LLMs), hindering their performance. While existing methods employ parameter sharing to reuse the same parameter set under fixed budgets, such approaches…

计算与语言 · 计算机科学 2025-02-19 Guanghao Li , Wenhao Jiang , Li Shen , Ming Tang , Chun Yuan

Neural Processes (NPs) are a rapidly evolving class of models designed to directly model the posterior predictive distribution of stochastic processes. Originally developed as a scalable alternative to Gaussian Processes (GPs), which are…

机器学习 · 计算机科学 2026-04-20 Daniel Jenson , Jhonathan Navott , Mengyan Zhang , Makkunda Sharma , Elizaveta Semenova , Seth Flaxman