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Retrieval-Augmented Generation (RAG) helps large language models (LLMs) answer knowledge-intensive and time-sensitive questions by conditioning generation on external evidence. However, most RAG systems still retrieve unstructured chunks…

计算与语言 · 计算机科学 2026-03-11 Jiashuo Sun , Yixuan Xie , Jimeng Shi , Shaowen Wang , Jiawei Han

HealthBranches is a novel benchmark dataset for medical Question-Answering (Q&A), specifically designed to evaluate complex reasoning in Large Language Models (LLMs). This dataset is generated through a semi-automated pipeline that…

计算与语言 · 计算机科学 2025-08-12 Cristian Cosentino , Annamaria Defilippo , Marco Dossena , Christopher Irwin , Sara Joubbi , Pietro Liò

Recent unified models integrate understanding experts (e.g., LLMs) with generative experts (e.g., diffusion models), achieving strong multimodal performance. However, recent advanced methods such as BAGEL and LMFusion follow the…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Xiang Wang , Zhifei Zhang , He Zhang , Zhe Lin , Yuqian Zhou , Qing Liu , Shiwei Zhang , Yijun Li , Shaoteng Liu , Haitian Zheng , Jason Kuen , Yuehuan Wang , Changxin Gao , Nong Sang

Semantic communication is emerging as the next pillar in wireless communication technology due to its transformative capabilities in reducing communication overhead, enhancing robustness, and enabling intelligent information exchange. The…

信息论 · 计算机科学 2025-10-08 Loc X. Nguyen , Avi Deb Raha , Pyae Sone Aung , Dusit Niyato , Zhu Han , Choong Seon Hong

Question Answering for complex questions is often modeled as a graph construction or traversal task, where a solver must build or traverse a graph of facts that answer and explain a given question. This "multi-hop" inference has been shown…

计算与语言 · 计算机科学 2018-05-30 Peter Jansen

Multimodal Retrieval Augmented Generation (MMRAG) is a powerful approach to question-answering over multimodal documents. A key challenge with evaluating MMRAG is the paucity of high-quality datasets matching the question styles and…

计算与语言 · 计算机科学 2024-10-07 Ian Wu , Sravan Jayanthi , Vijay Viswanathan , Simon Rosenberg , Sina Pakazad , Tongshuang Wu , Graham Neubig

Evaluating the reasoning abilities of large language models (LLMs) solely from final answers can obscure failures in intermediate steps, especially in multi-hop QA benchmarks without step-level annotations. To address this gap, we introduce…

In a conversational system, dynamically generating follow-up questions based on context can help users explore information and provide a better user experience. Humans are usually able to ask questions that involve some general life…

人工智能 · 计算机科学 2025-06-30 Jianyu Liu , Yi Huang , Sheng Bi , Junlan Feng , Guilin Qi

Multimodal large language models (MLLMs), which integrate language and visual cues for problem-solving, are crucial for advancing artificial general intelligence (AGI). However, current benchmarks for measuring the intelligence of MLLMs…

Knowledge graph reasoning is pivotal in various domains such as data mining, artificial intelligence, the Web, and social sciences. These knowledge graphs function as comprehensive repositories of human knowledge, facilitating the inference…

人工智能 · 计算机科学 2024-12-17 Lihui Liu , Zihao Wang , Hanghang Tong

The advancement of large language models (LLMs) is critically dependent on the availability of high-quality datasets for Supervised Fine-Tuning (SFT), alignment tasks like Direct Preference Optimization (DPO), etc. In this work, we present…

We introduce LLM-ARC, a neuro-symbolic framework designed to enhance the logical reasoning capabilities of Large Language Models (LLMs), by combining them with an Automated Reasoning Critic (ARC). LLM-ARC employs an Actor-Critic method…

Semantic map models (SMMs) construct a network-like conceptual space from cross-linguistic instances or forms, based on the connectivity hypothesis. This approach has been widely used to represent similarity and entailment relationships in…

计算与语言 · 计算机科学 2025-04-01 Zhu Liu , Cunliang Kong , Ying Liu , Maosong Sun

Large language models (LLMs) are capable of solving a wide range of tasks, yet they have struggled with reasoning. To address this, we propose $\textbf{Additional Logic Training (ALT)}$, which aims to enhance LLMs' reasoning capabilities by…

机器学习 · 计算机科学 2024-12-24 Terufumi Morishita , Gaku Morio , Atsuki Yamaguchi , Yasuhiro Sogawa

Automatic open-domain dialogue evaluation has attracted increasing attention, yet remains challenging due to the complexity of assessing response appropriateness. Traditional evaluation metrics, typically trained with true positive and…

计算与语言 · 计算机科学 2025-09-17 Bohao Yang , Kun Zhao , Dong Liu , Chen Tang , Liang Zhan , Chenghua Lin

As LLMs achieved breakthroughs in general reasoning, their proficiency in specialized scientific domains reveals pronounced gaps in existing benchmarks due to data contamination, insufficient complexity, and prohibitive human labor costs.…

Generating text from structured data is challenging because it requires bridging the gap between (i) structure and natural language (NL) and (ii) semantically underspecified input and fully specified NL output. Multilingual generation…

计算与语言 · 计算机科学 2020-11-12 Angela Fan , Claire Gardent

Large language model (LLM) driven synthetic data generation has emerged as a powerful method for improving model reasoning capabilities. However, most methods either distill large state-of-the-art models into small students or use natural…

机器学习 · 计算机科学 2025-06-18 Alex Havrilla , Edward Hughes , Mikayel Samvelyan , Jacob Abernethy

The knowledge-grounded dialogue task aims to generate responses that convey information from given knowledge documents. However, it is a challenge for the current sequence-based model to acquire knowledge from complex documents and…

计算与语言 · 计算机科学 2024-05-17 Yizhe Yang , Heyan Huang , Yang Gao , Jiawei Li and

Large Language Models (LLMs) have excelled in multi-hop question-answering (M-QA) due to their advanced reasoning abilities. However, the impact of the inherent reasoning structures on LLM M-QA performance remains unclear, largely due to…