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Question answering (QA) over tables and text has gained much popularity over the years. Multi-hop table-text QA requires multiple hops between the table and text, making it a challenging QA task. Although several works have attempted to…

计算与语言 · 计算机科学 2024-10-02 Jayetri Bardhan , Bushi Xiao , Daisy Zhe Wang

In Embodied Question Answering (EQA), agents must explore and develop a semantic understanding of an unseen environment to answer a situated question with confidence. This problem remains challenging in robotics, due to the difficulties in…

Attack knowledge graph construction seeks to convert textual cyber threat intelligence (CTI) reports into structured representations, portraying the evolutionary traces of cyber attacks. Even though previous research has proposed various…

密码学与安全 · 计算机科学 2024-05-09 Yongheng Zhang , Tingwen Du , Yunshan Ma , Xiang Wang , Yi Xie , Guozheng Yang , Yuliang Lu , Ee-Chien Chang

In-context learning (ICL) has emerged as a new approach to various natural language processing tasks, utilizing large language models (LLMs) to make predictions based on context that has been supplemented with a few examples or…

计算与语言 · 计算机科学 2023-05-23 Linyong Nan , Yilun Zhao , Weijin Zou , Narutatsu Ri , Jaesung Tae , Ellen Zhang , Arman Cohan , Dragomir Radev

Large Language Models (LLMs) and Knowledge Graphs (KGs) offer a promising approach to robust and explainable Question Answering (QA). While LLMs excel at natural language understanding, they suffer from knowledge gaps and hallucinations.…

机器学习 · 计算机科学 2025-04-15 Jasper Linders , Jakub M. Tomczak

Large language models (LLMs) have demonstrated impressive performance in mathematical and commonsense reasoning tasks using chain-of-thought (CoT) prompting techniques. But can they perform emotional reasoning by concatenating `Let's think…

计算与语言 · 计算机科学 2024-08-12 Ankita Bhaumik , Tomek Strzalkowski

Large language models (LLMs) have demonstrated excellent zero-shot generalization to new language tasks. However, effective utilization of LLMs for zero-shot visual question-answering (VQA) remains challenging, primarily due to the modality…

计算机视觉与模式识别 · 计算机科学 2023-05-09 Jiaxian Guo , Junnan Li , Dongxu Li , Anthony Meng Huat Tiong , Boyang Li , Dacheng Tao , Steven C. H. Hoi

Large language models (LLMs) have shown impressive abilities in answering questions across various domains, but they often encounter hallucination issues on questions that require professional and up-to-date knowledge. To address this…

计算与语言 · 计算机科学 2025-03-03 Hansi Yang , Qi Zhang , Wei Jiang , Jianguo Li

We present LinkQ, a system that leverages a large language model (LLM) to facilitate knowledge graph (KG) query construction through natural language question-answering. Traditional approaches often require detailed knowledge of a graph…

计算与语言 · 计算机科学 2025-02-11 Harry Li , Gabriel Appleby , Ashley Suh

Large Language Models (LLMs) have achieved impressive capabilities in language understanding and generation, yet they continue to underperform on knowledge-intensive reasoning tasks due to limited access to structured context and multi-hop…

计算与语言 · 计算机科学 2025-06-26 Travis Thompson , Seung-Hwan Lim , Paul Liu , Ruoying He , Dongkuan Xu

We focus on a conversational question answering task which combines the challenges of understanding questions in context and reasoning over evidence gathered from heterogeneous sources like text, knowledge graphs, tables, and infoboxes. Our…

计算与语言 · 计算机科学 2024-07-16 Parag Jain , Mirella Lapata

Although pretrained language models (PLMs) can be prompted to perform a wide range of language tasks, it remains an open question how much this ability comes from generalizable linguistic understanding versus surface-level lexical patterns.…

计算与语言 · 计算机科学 2023-05-23 Terra Blevins , Hila Gonen , Luke Zettlemoyer

With the development of Large Language Models (LLM), numerous prompts have been proposed, each with a rich set of features and their own merits. This paper summarizes the prompt words for large language models (LLMs), categorizing them into…

计算与语言 · 计算机科学 2024-04-17 Chenggian Ma , Xiangyu Zhao , Chunhui Zhang , Yanzhao Qin , Wentao Zhang

Event temporal graphs have been shown as convenient and effective representations of complex temporal relations between events in text. Recent studies, which employ pre-trained language models to auto-regressively generate linearised graphs…

计算与语言 · 计算机科学 2024-04-03 Xingwei Tan , Yuxiang Zhou , Gabriele Pergola , Yulan He

In Textual question answering (TQA) systems, complex questions often require retrieving multiple textual fact chains with multiple reasoning steps. While existing benchmarks are limited to single-chain or single-hop retrieval scenarios. In…

计算与语言 · 计算机科学 2023-05-24 Minjun Zhu , Yixuan Weng , Shizhu He , Kang Liu , Jun Zhao

Graph-based Retrieval-Augmented Generation (GraphRAG) extends traditional RAG by using knowledge graphs (KGs) to give large language models (LLMs) a structured, semantically coherent context, yielding more grounded answers. However,…

人工智能 · 计算机科学 2026-04-28 Zhuoling Li , Ha Linh Hong Tran Nguyen , Valeria Bladinieres , Maxim Romanovsky

Causal Video Question Answering (CVidQA) queries not only association or temporal relations but also causal relations in a video. Existing question synthesis methods pre-trained question generation (QG) systems on reading comprehension…

计算与语言 · 计算机科学 2023-04-10 Hung-Ting Su , Yulei Niu , Xudong Lin , Winston H. Hsu , Shih-Fu Chang

How can we best encode structured data into sequential form for use in large language models (LLMs)? In this work, we introduce a parameter-efficient method to explicitly represent structured data for LLMs. Our method, GraphToken, learns an…

机器学习 · 计算机科学 2024-02-09 Bryan Perozzi , Bahare Fatemi , Dustin Zelle , Anton Tsitsulin , Mehran Kazemi , Rami Al-Rfou , Jonathan Halcrow

Large Language Models (LLMs) hold substantial potential for accelerating academic ideation but face critical challenges in grounding ideas and mitigating confirmation bias for further refinement. We propose integrating motivational…

计算与语言 · 计算机科学 2025-09-29 Xinping Lei , Tong Zhou , Yubo Chen , Kang Liu , Jun Zhao

Designing high-quality educational questions is a challenging and time-consuming task. In this work, we propose a novel approach that utilizes prompt-based techniques to generate descriptive and reasoning-based questions. However, current…

计算与语言 · 计算机科学 2023-12-05 Subhankar Maity , Aniket Deroy , Sudeshna Sarkar