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相关论文: Towards Question Answering over Large Semi-structu…

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In open question answering (QA), the answer to a question is produced by retrieving and then analyzing documents that might contain answers to the question. Most open QA systems have considered only retrieving information from unstructured…

计算与语言 · 计算机科学 2021-02-11 Wenhu Chen , Ming-Wei Chang , Eva Schlinger , William Wang , William W. Cohen

The advancement of large language models (LLMs) has enhanced tabular question answering (Tabular QA), yet they struggle with open-domain queries exhibiting underspecified or uncertain expressions. To address this, we introduce the…

计算与语言 · 计算机科学 2026-04-21 Zhensheng Wang , ZhanTeng Lin , Wenmian Yang , Kun Zhou , Yiquan Zhang , Weijia Jia

Pre-trained language models (PLMs) have shown their effectiveness in multiple scenarios. However, KBQA remains challenging, especially regarding coverage and generalization settings. This is due to two main factors: i) understanding the…

计算与语言 · 计算机科学 2022-10-25 Yiheng Shu , Zhiwei Yu , Yuhan Li , Börje F. Karlsson , Tingting Ma , Yuzhong Qu , Chin-Yew Lin

Large Language Models (LLMs), excel in natural language understanding, but their capability for complex mathematical reasoning with an amalgamation of structured tables and unstructured text is uncertain. This study explores LLMs'…

计算与语言 · 计算机科学 2025-10-10 Pragya Srivastava , Manuj Malik , Vivek Gupta , Tanuja Ganu , Dan Roth

Current approaches for question answering (QA) over tabular data, such as NL2SQL systems, perform well for factual questions where answers are directly retrieved from tables. However, they fall short on probabilistic questions requiring…

计算与语言 · 计算机科学 2025-06-27 Chen Shen , Sajjadur Rahman , Estevam Hruschka

Table question answering (TQA) focuses on answering questions based on tabular data. Developing TQA systems targets effective interaction with tabular data for tasks such as cell retrieval and data analysis. While recent work has leveraged…

计算与语言 · 计算机科学 2025-11-12 Wei Zhou , Mohsen Mesgar , Heike Adel , Annemarie Friedrich

Large Language Models (LLMs) often struggle with requests related to information retrieval and data manipulation that frequently arise in real-world scenarios under multiple conditions. In this paper, we demonstrate that leveraging tabular…

人工智能 · 计算机科学 2026-01-09 Jio Oh , Geon Heo , Seungjun Oh , Hyunjin Kim , JinYeong Bak , Jindong Wang , Xing Xie , Steven Euijong Whang

Knowledge base question answering (KBQA) has attracted a lot of interest in recent years, especially for complex questions which require multiple facts to answer. Question decomposition is a promising way to answer complex questions.…

计算与语言 · 计算机科学 2023-06-14 Xiang Huang , Sitao Cheng , Yiheng Shu , Yuheng Bao , Yuzhong Qu

Large Language Models excel in generative tasks but exhibit inefficiencies in structured text selection, particularly in extractive question answering. This challenge is magnified in resource-constrained environments, where deploying…

计算与语言 · 计算机科学 2026-05-29 Yannis Montreuil , Shu Heng Yeo , Axel Carlier , Lai Xing Ng , Wei Tsang Ooi

Multi-entity question answering (MEQA) poses significant challenges for large language models (LLMs), which often struggle to consolidate scattered information across multiple documents. An example question might be "What is the…

计算与语言 · 计算机科学 2025-03-07 Teng Lin , Yizhang Zhu , Yuyu Luo , Nan Tang

Large Language Model (LLM) has gained popularity and achieved remarkable results in open-domain tasks, but its performance in real industrial domain-specific scenarios is average due to its lack of specific domain knowledge. This issue has…

计算与语言 · 计算机科学 2023-10-17 Fangkai Yang , Pu Zhao , Zezhong Wang , Lu Wang , Jue Zhang , Mohit Garg , Qingwei Lin , Saravan Rajmohan , Dongmei Zhang

Table Question Answering (TQA) aims to answer natural language questions over structured tables. Large Language Models (LLMs) enable promising solutions to this problem, with operator-centric solutions that generate table manipulation…

数据库 · 计算机科学 2026-04-02 Fengyu Li , Junhao Zhu , Kaishi Song , Lu Chen , Zhongming Yao , Tianyi Li , Christian S. Jensen

Table-based reasoning with large language models (LLMs) is a promising direction to tackle many table understanding tasks, such as table-based question answering and fact verification. Compared with generic reasoning, table-based reasoning…

Large Language Models (LLMs) have shown promising results on NLP tasks, however, their performance on tabular data still needs research attention, because Table Question-Answering (TQA) requires precise cell retrieval and multi-step…

信息检索 · 计算机科学 2026-05-21 Amritansh Maurya , Navjot Singh , Mohammed Javed , Omar Moured

Table Question Answering (TableQA) enables natural language interaction with structured tabular data. However, existing large language model (LLM) approaches face critical limitations: context length constraints that restrict data handling…

人工智能 · 计算机科学 2026-03-11 Tong Wang , Chi Jin , Yongkang Chen , Huan Deng , Xiaohui Kuang , Gang Zhao

Question Answering (QA) systems are becoming the inspiring model for the future of search engines. While recently, underlying datasets for QA systems have been promoted from unstructured datasets to structured datasets with highly…

Incorporating external knowledge bases in traditional retrieval-augmented generation (RAG) relies on parsing the document, followed by querying a language model with the parsed information via in-context learning. While effective for…

计算与语言 · 计算机科学 2026-02-03 Jacob Si , Mike Qu , Michelle Lee , Marek Rei , Yingzhen Li

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

Tabular data is a fundamental component of real-world information systems, yet most research in table understanding remains confined to English, leaving multilingual comprehension significantly underexplored. Existing multilingual table…

Recent advances in open-domain question answering over tables have widely adopted large language models (LLMs) under the Retriever-Reader architecture. Prior works have effectively leveraged LLMs to tackle the complex reasoning demands of…

信息检索 · 计算机科学 2025-08-11 Hsing-Ping Liang , Che-Wei Chang , Yao-Chung Fan