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The growing demand for efficient semantic communication systems capable of managing diverse tasks and adapting to fluctuating channel conditions has driven the development of robust, resource-efficient frameworks. This article introduces a…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Xiang Chen , Shuying Gan , Chenyuan Feng , Xijun Wang , Tony Q. S. Quek

The self-attention mechanism has been adopted in various popular message passing neural networks (MPNNs), enabling the model to adaptively control the amount of information that flows along the edges of the underlying graph. Such…

机器学习 · 计算机科学 2024-12-23 Yong-Min Shin , Siqing Li , Xin Cao , Won-Yong Shin

How do language models use information provided as context when generating a response? Can we infer whether a particular generated statement is actually grounded in the context, a misinterpretation, or fabricated? To help answer these…

机器学习 · 计算机科学 2024-09-17 Benjamin Cohen-Wang , Harshay Shah , Kristian Georgiev , Aleksander Madry

We present an accurate and interpretable method for answer extraction in machine reading comprehension that is reminiscent of case-based reasoning (CBR) from classical AI. Our method (CBR-MRC) builds upon the hypothesis that contextualized…

Large language models (LLMs) now solve multi-step problems by emitting extended chains of thought. During the process, they often re-derive the same intermediate steps across problems, inflating token usage and latency. This saturation of…

机器学习 · 计算机科学 2025-09-17 Aniket Didolkar , Nicolas Ballas , Sanjeev Arora , Anirudh Goyal

Automated interpretability systems aim to reduce the need for human labor and scale analysis to increasingly large models and diverse tasks. Recent efforts toward this goal leverage large language models (LLMs) at increasing levels of…

Large Vision-Language Models (LVLMs) represent a significant leap towards empathetic agents, demonstrating remarkable capabilities in emotion understanding. However, the internal mechanisms governing how LVLMs translate abstract visual…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Chengsheng Zhang , Chenghao Sun , Zhining Xie , Xinmei Tian

We present Attentive Reasoning Queries (ARQs), a novel structured reasoning approach that significantly improves instruction-following in Large Language Models through domain-specialized reasoning blueprints. While LLMs demonstrate…

计算与语言 · 计算机科学 2025-03-06 Bar Karov , Dor Zohar , Yam Marcovitz

Prompt Engineering has garnered significant attention for enhancing the performance of large language models across a multitude of tasks. Techniques such as the Chain-of-Thought not only bolster task performance but also delineate a clear…

计算与语言 · 计算机科学 2024-10-21 Wei Jie Yeo , Ranjan Satapathy , Rick Siow Mong Goh , Erik Cambria

Recent advancements in long-context modeling have enhanced language models (LMs) for complex tasks across multiple NLP applications. Despite this progress, we find that these models struggle with multi-hop reasoning and exhibit decreased…

计算与语言 · 计算机科学 2024-08-07 Yanyang Li , Shuo Liang , Michael R. Lyu , Liwei Wang

A distinction is often drawn between a model's ability to predict a label for an evaluation sample that is directly memorised from highly similar training samples versus an ability to predict the label via some method of generalisation. In…

计算与语言 · 计算机科学 2023-11-22 Tim Hartill , Joshua Bensemann , Michael Witbrock , Patricia J. Riddle

Large language models (LLMs) have demonstrated remarkable potential across numerous applications and have shown an emergent ability to tackle complex reasoning tasks, such as mathematical computations. However, even for the simplest…

计算与语言 · 计算机科学 2024-09-04 Wei Zhang , Chaoqun Wan , Yonggang Zhang , Yiu-ming Cheung , Xinmei Tian , Xu Shen , Jieping Ye

We propose a novel method for exploiting the semantic structure of text to answer multiple-choice questions. The approach is especially suitable for domains that require reasoning over a diverse set of linguistic constructs but have limited…

计算与语言 · 计算机科学 2019-06-11 Daniel Khashabi , Tushar Khot , Ashish Sabharwal , Dan Roth

Integrating Retrieval Augmented Generation (RAG) with Large Language Models (LLMs) has shown the potential to provide precise, contextually relevant responses in knowledge intensive domains. This study investigates the ap-plication of RAG…

人工智能 · 计算机科学 2025-05-26 Salahuddin Alawadhi , Noorhan Abbas

Large language models (LLMs) typically enhance their performance through either the retrieval of semantically similar information or the improvement of their reasoning capabilities. However, a significant challenge remains in effectively…

人工智能 · 计算机科学 2026-01-05 Shuqi Liu , Bowei He , Chen Ma , Linqi Song

This work combines information about the dialogue history encoded by pre-trained model with a meaning representation of the current system utterance to realize contextual language generation in task-oriented dialogues. We utilize the…

计算与语言 · 计算机科学 2021-11-30 Ye Liu , Wolfgang Maier , Wolfgang Minker , Stefan Ultes

Through considerable effort and intuition, several recent works have reverse-engineered nontrivial behaviors of transformer models. This paper systematizes the mechanistic interpretability process they followed. First, researchers choose a…

Teaching large language models (LLMs) to generate text with citations to evidence sources can mitigate hallucinations and enhance verifiability in information-seeking systems. However, improving this capability requires high-quality…

计算与语言 · 计算机科学 2024-10-18 Lei Huang , Xiaocheng Feng , Weitao Ma , Liang Zhao , Yuchun Fan , Weihong Zhong , Dongliang Xu , Qing Yang , Hongtao Liu , Bing Qin

Contextual memory integration remains a high challenge in the development of language models, particularly in tasks that require maintaining coherence over extended sequences. Traditional approaches, such as self-attention mechanisms and…

Transformer-based language models (LMs) track contextual information through large, hard-coded input windows. We introduce MemoryPrompt, a leaner approach in which the LM is complemented by a small auxiliary recurrent network that passes…

计算与语言 · 计算机科学 2024-02-26 Nathanaël Carraz Rakotonirina , Marco Baroni