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Retrieval-Augmented Generation (RAG) enhances Large Language Models (LLMs) by grounding responses in external knowledge during inference. However, conventiona RAG systems under-perform on structured tabular data, largely due to coarse…

计算与语言 · 计算机科学 2026-05-05 Zebin Guo , Weidong Geng , Ruichen Mao

Conversational agents powered by large language models (LLMs) are rapidly becoming integral to our daily interactions, generating unprecedented amounts of conversational data. Such datasets offer a powerful lens into societal interests,…

计算与语言 · 计算机科学 2025-09-23 Wentao Zhang , Woojeong Kim , Yuntian Deng

While large language models (LLMs) have shown remarkable capabilities in natural language processing, they struggle with complex, multi-step reasoning tasks involving knowledge graphs (KGs). Existing approaches that integrate LLMs and KGs…

计算与语言 · 计算机科学 2024-09-25 Zixuan Dong , Baoyun Peng , Yufei Wang , Jia Fu , Xiaodong Wang , Yongxue Shan , Xin Zhou

Due to the concise and structured nature of tables, the knowledge contained therein may be incomplete or missing, posing a significant challenge for table question answering (TableQA) and data analysis systems. Most existing datasets either…

计算与语言 · 计算机科学 2024-05-15 Mengkang Hu , Haoyu Dong , Ping Luo , Shi Han , Dongmei Zhang

Question Answering (QA) is an important part of tasks like text classification through information gathering. These are finding increasing use in sectors like healthcare, customer support, legal services, etc., to collect and classify…

计算与语言 · 计算机科学 2024-11-12 Priya Mishra , Suraj Racha , Kaustubh Ponkshe , Adit Akarsh , Ganesh Ramakrishnan

Mathematical reasoning has long been a key benchmark for evaluating large language models. Although substantial progress has been made on math word problems, the need for reasoning over tabular data in real-world applications has been…

人工智能 · 计算机科学 2026-04-20 Shi-Yu Tian , Zhi Zhou , Wei Dong , Kun-Yang Yu , Ming Yang , Zi-Jian Cheng , Lan-Zhe Guo , Yu-Feng Li

Tabular data is prevalent across various industries, necessitating significant time and effort for users to understand and manipulate for their information-seeking purposes. The advancements in large language models (LLMs) have shown…

计算与语言 · 计算机科学 2023-11-01 Yilun Zhao , Haowei Zhang , Shengyun Si , Linyong Nan , Xiangru Tang , Arman Cohan

Weakly-supervised table question-answering(TableQA) models have achieved state-of-art performance by using pre-trained BERT transformer to jointly encoding a question and a table to produce structured query for the question. However, in…

Question Answering (QA) is a task in natural language processing that has seen considerable growth after the advent of transformers. There has been a surge in QA datasets that have been proposed to challenge natural language processing…

计算与语言 · 计算机科学 2021-10-08 Kate Pearce , Tiffany Zhan , Aneesh Komanduri , Justin Zhan

In the realm of natural language processing, the understanding of tabular data has perpetually stood as a focal point of scholarly inquiry. The emergence of expansive language models, exemplified by the likes of ChatGPT, has ushered in a…

计算与语言 · 计算机科学 2023-08-29 Hengyuan Zhang , Peng Chang , Zongcheng Ji

Multi-hop Question Answering (QA) requires the machine to answer complex questions by finding scattering clues and reasoning from multiple documents. Graph Network (GN) and Question Decomposition (QD) are two common approaches at present.…

计算与语言 · 计算机科学 2022-03-18 Jiawei Li , Mucheng Ren , Yang Gao , Yizhe Yang

Tables extracted from web documents can be used to directly answer many web search queries. Previous works on question answering (QA) using web tables have focused on factoid queries, i.e., those answerable with a short string like person…

信息检索 · 计算机科学 2020-01-13 Kaushik Chakrabarti , Zhimin Chen , Siamak Shakeri , Guihong Cao

Large pre-trained language models (LMs) have been shown to perform surprisingly well when fine-tuned on tasks that require commonsense and world knowledge. However, in end-to-end architectures, it is difficult to explain what is the…

计算与语言 · 计算机科学 2020-04-14 Veronica Latcinnik , Jonathan Berant

Temporal knowledge graph question answering (TKGQA) poses a significant challenge task, due to the temporal constraints hidden in questions and the answers sought from dynamic structured knowledge. Although large language models (LLMs) have…

计算与语言 · 计算机科学 2024-07-25 Yifu Gao , Linbo Qiao , Zhigang Kan , Zhihua Wen , Yongquan He , Dongsheng Li

Despite the advances in large language models (LLMs), how they use their knowledge for reasoning is not yet well understood. In this study, we propose a method that deconstructs complex real-world questions into a graph, representing each…

计算与语言 · 计算机科学 2024-10-07 Miyoung Ko , Sue Hyun Park , Joonsuk Park , Minjoon Seo

Visual Question Answering (VQA) is the task of answering a question about an image and requires processing multimodal input and reasoning to obtain the answer. Modular solutions that use declarative representations within the reasoning…

人工智能 · 计算机科学 2024-10-15 Thomas Eiter , Jan Hadl , Nelson Higuera , Johannes Oetsch

Answering questions over domain-specific graphs requires a tailored approach due to the limited number of relations and the specific nature of the domain. Our approach integrates classic logical programming languages into large language…

机器学习 · 计算机科学 2023-08-24 Navid Madani , Rohini K. Srihari , Kenneth Joseph

Answering natural language (NL) questions about tables, known as Tabular Question Answering (TQA), is crucial because it allows users to quickly and efficiently extract meaningful insights from structured data, effectively bridging the gap…

计算与语言 · 计算机科学 2025-07-10 Meihao Fan , Ju Fan , Nan Tang , Lei Cao , Guoliang Li , Xiaoyong Du

Question answering on the hybrid context of tables and text (TATQA) is a critical task, with broad applications in data-intensive domains. However, existing TATQA datasets are limited to English, leading to several drawbacks: (i) They…

计算与语言 · 计算机科学 2025-02-25 Xuanliang Zhang , Dingzirui Wang , Keyan Xu , Qingfu Zhu , Wanxiang Che

We explore generating factual and accurate tables from the parametric knowledge of large language models (LLMs). While LLMs have demonstrated impressive capabilities in recreating knowledge bases and generating free-form text, we focus on…

计算与语言 · 计算机科学 2024-06-18 Yevgeni Berkovitch , Oren Glickman , Amit Somech , Tomer Wolfson