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Related papers: Towards Question Answering over Large Semi-structu…

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Table Question Answering (TableQA) poses a significant challenge for large language models (LLMs) because conventional linearization of tables often disrupts the two-dimensional relationships intrinsic to structured data. Existing methods,…

Computation and Language · Computer Science 2026-02-03 Seho Pyo , Jiheon Seok , Jaejin Lee

The abundant semi-structured data on the Web, such as HTML-based tables and lists, provide commercial search engines a rich information source for question answering (QA). Different from plain text passages in Web documents, Web tables and…

Computation and Language · Computer Science 2020-10-15 Xingyao Zhang , Linjun Shou , Jian Pei , Ming Gong , Lijie Wen , Daxin Jiang

The advent of large language models (LLMs) has unlocked great opportunities in complex data management tasks, particularly in question answering (QA) over complicated multi-table relational data. Despite significant progress, systematically…

Artificial Intelligence · Computer Science 2024-12-02 Zipeng Qiu , You Peng , Guangxin He , Binhang Yuan , Chen Wang

Most existing end-to-end Table Question Answering (Table QA) models consist of a two-stage framework with a retriever to select relevant table candidates from a corpus and a reader to locate the correct answers from table candidates. Even…

Computation and Language · Computer Science 2022-04-01 Feifei Pan , Mustafa Canim , Michael Glass , Alfio Gliozzo , James Hendler

We study a new problem setting of question answering (QA), referred to as DocTabQA. Within this setting, given a long document, the goal is to respond to questions by organizing the answers into structured tables derived directly from the…

Computation and Language · Computer Science 2024-08-22 Haochen Wang , Kai Hu , Haoyu Dong , Liangcai Gao

The complexities of table structures and question logic make table-based question answering (TQA) tasks challenging for Large Language Models (LLMs), often requiring task simplification before solving. This paper reveals that the reasoning…

Computation and Language · Computer Science 2025-04-22 Ruya Jiang , Chun Wang , Weihong Deng

LLMs have shown impressive progress in natural language processing. However, they still face significant challenges in TableQA, where real-world complexities such as diverse table structures, multilingual data, and domain-specific reasoning…

Computation and Language · Computer Science 2025-09-23 Junnan Zhu , Jingyi Wang , Bohan Yu , Xiaoyu Wu , Junbo Li , Lei Wang , Nan Xu

Question Answering over Tabular Data (Table QA) presents unique challenges due to the diverse structure, size, and data types of real-world tables. The SemEval 2025 Task 8 (DataBench) introduced a benchmark composed of large-scale,…

Computation and Language · Computer Science 2025-09-12 Rishit Tyagi , Mohit Gupta , Rahul Bouri

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…

Computation and Language · Computer Science 2025-03-03 Hansi Yang , Qi Zhang , Wei Jiang , Jianguo Li

Hybrid Question-Answering (HQA), which targets reasoning over tables and passages linked from table cells, has witnessed significant research in recent years. A common challenge in HQA and other passage-table QA datasets is that it is…

Computation and Language · Computer Science 2023-05-25 Jian Wu , Yicheng Xu , Yan Gao , Jian-Guang Lou , Börje F. Karlsson , Manabu Okumura

Table Question Answering (TQA) presents a substantial challenge at the intersection of natural language processing and data analytics. This task involves answering natural language (NL) questions on top of tabular data, demanding…

Databases · Computer Science 2023-10-03 Yunjia Zhang , Jordan Henkel , Avrilia Floratou , Joyce Cahoon , Shaleen Deep , Jignesh M. Patel

Table answering questions from business documents has many challenges that require understanding tabular structures, cross-document referencing, and additional numeric computations beyond simple search queries. This paper introduces a novel…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Phuc Nguyen , Nam Tuan Ly , Hideaki Takeda , Atsuhiro Takasu

Table reasoning tasks have shown remarkable progress with the development of large language models (LLMs), which involve interpreting and drawing conclusions from tabular data based on natural language (NL) questions. Existing solutions…

Computation and Language · Computer Science 2024-10-11 Yuan Sui , Jiaru Zou , Mengyu Zhou , Xinyi He , Lun Du , Shi Han , Dongmei Zhang

Recent advancements in Large Language Models (LLMs) have markedly enhanced the interpretation and processing of tabular data, introducing previously unimaginable capabilities. Despite these achievements, LLMs still encounter significant…

Computation and Language · Computer Science 2025-03-19 Xianjie Wu , Jian Yang , Linzheng Chai , Ge Zhang , Jiaheng Liu , Xinrun Du , Di Liang , Daixin Shu , Xianfu Cheng , Tianzhen Sun , Guanglin Niu , Tongliang Li , Zhoujun Li

Applying language models (LMs) to tables is challenging due to the inherent structural differences between two-dimensional tables and one-dimensional text for which the LMs were originally designed. Furthermore, when applying linearized…

Computation and Language · Computer Science 2025-02-20 Wonjin Lee , Kyumin Kim , Sungjae Lee , Jihun Lee , Kwang In Kim

Tabular data is frequently captured in image form across a wide range of real-world scenarios such as financial reports, handwritten records, and document scans. These visual representations pose unique challenges for machine understanding,…

Artificial Intelligence · Computer Science 2026-02-10 Zhuoyan Xu , Haoyang Fang , Boran Han , Bonan Min , Bernie Wang , Cuixiong Hu , Shuai Zhang

Factuality in Large Language Models (LLMs) is a persistent challenge. Current benchmarks often assess short factual answers, overlooking the critical ability to generate structured, multi-record tabular outputs from parametric knowledge. We…

Computation and Language · Computer Science 2025-05-28 Dario Satriani , Enzo Veltri , Donatello Santoro , Paolo Papotti

Semi-structured table question answering (QA) is a challenging task that requires (1) precise extraction of cell contents and positions and (2) accurate recovery of key implicit logical structures, hierarchical relationships, and semantic…

Artificial Intelligence · Computer Science 2026-02-10 Jinxiu Qu , Zirui Tang , Hongzhang Huang , Boyu Niu , Wei Zhou , Jiannan Wang , Yitong Song , Guoliang Li , Xuanhe Zhou , Fan Wu

Recent advances in Large Language Models (LLMs) have significantly improved table understanding tasks such as Table Question Answering (TableQA), yet challenges remain in ensuring reliability, scalability, and efficiency, especially in…

Computation and Language · Computer Science 2026-04-22 Sieun Hyeon , Jusang Oh , Sunghwan Steve Cho , Jaeyoung Do

Query-focused tabular summarization is an emerging task in table-to-text generation that synthesizes a summary response from tabular data based on user queries. Traditional transformer-based approaches face challenges due to token…

Computation and Language · Computer Science 2025-03-11 Yasir Khan , Xinlei Wu , Sangpil Youm , Justin Ho , Aryaan Shaikh , Jairo Garciga , Rohan Sharma , Bonnie J. Dorr