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Numerical reasoning over hybrid data containing both textual and tabular content (e.g., financial reports) has recently attracted much attention in the NLP community. However, existing question answering (QA) benchmarks over hybrid data…

Artificial Intelligence · Computer Science 2022-06-06 Yilun Zhao , Yunxiang Li , Chenying Li , Rui Zhang

Natural Question Answering (QA) datasets play a crucial role in evaluating the capabilities of large language models (LLMs), ensuring their effectiveness in real-world applications. Despite the numerous QA datasets that have been developed…

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…

Computation and Language · Computer Science 2024-10-02 Jayetri Bardhan , Bushi Xiao , Daisy Zhe Wang

Multi-hop reasoning over financial disclosures is often a retrieval problem before it becomes a reasoning or generation problem: relevant facts are dispersed across sections, filings, companies, and years, and LLMs often expend excessive…

Computational Finance · Quantitative Finance 2025-10-06 Abhinav Arun , Reetu Raj Harsh , Bhaskarjit Sarmah , Stefano Pasquali

Existing multimodal document question-answering (QA) systems predominantly rely on flat semantic retrieval, representing documents as a set of disconnected text chunks and largely neglecting their intrinsic hierarchical and relational…

Information Retrieval · Computer Science 2026-01-28 ShunLiang Fu , Yanxin Zhang , Yixin Xiang , Xiaoyu Du , Jinhui Tang

We introduce SciQAG, a novel framework for automatically generating high-quality science question-answer pairs from a large corpus of scientific literature based on large language models (LLMs). SciQAG consists of a QA generator and a QA…

Computation and Language · Computer Science 2024-07-11 Yuwei Wan , Yixuan Liu , Aswathy Ajith , Clara Grazian , Bram Hoex , Wenjie Zhang , Chunyu Kit , Tong Xie , Ian Foster

Asking questions from natural language text has attracted increasing attention recently, and several schemes have been proposed with promising results by asking the right question words and copy relevant words from the input to the…

Computation and Language · Computer Science 2020-09-17 Xiyao Ma , Qile Zhu , Yanlin Zhou , Xiaolin Li , Dapeng Wu

The proliferation of MultiLingual Visual Question Answering (MLVQA) benchmarks augments the capabilities of large language models (LLMs) and multi-modal LLMs, thereby enabling them to adeptly capture the intricate linguistic subtleties and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Aniket Pal , Ajoy Mondal , Minesh Mathew , C. V. Jawahar

Recent advances in multimodal question answering have primarily focused on combining heterogeneous modalities or fine-tuning multimodal large language models. While these approaches have shown strong performance, they often rely on a…

Computation and Language · Computer Science 2026-04-22 Krishna Singh Rajput , Tejas Anvekar , Chitta Baral , Vivek Gupta

Multi-hop reasoning for question answering (QA) plays a critical role in retrieval-augmented generation (RAG) for modern large language models (LLMs). The accurate answer can be obtained through retrieving relational structure of entities…

Artificial Intelligence · Computer Science 2025-10-21 Changhao Wang , Yanfang Liu , Xinxin Fan , Anzhi Zhou , Lao Tian , Yunfeng Lu

Understanding real-world videos such as movies requires integrating visual and dialogue cues. Yet existing VideoQA benchmarks struggle to capture this multimodal reasoning and, given the difficulty of evaluating free-form answers, largely…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Shaden Shaar , Bradon Thymes , Sirawut Chaixanien , Claire Cardie , Bharath Hariharan

Answering complex questions over textual resources remains a challenge, particularly when dealing with nuanced relationships between multiple entities expressed within natural-language sentences. To this end, curated knowledge bases (KBs)…

Computation and Language · Computer Science 2023-09-08 Jingjing Xu , Maria Biryukov , Martin Theobald , Vinu Ellampallil Venugopal

Scientific literature is typically dense, requiring significant background knowledge and deep comprehension for effective engagement. We introduce SciDQA, a new dataset for reading comprehension that challenges LLMs for a deep understanding…

Computation and Language · Computer Science 2024-11-11 Shruti Singh , Nandan Sarkar , Arman Cohan

Visual question answering on document images that contain textual, visual, and layout information, called document VQA, has received much attention recently. Although many datasets have been proposed for developing document VQA systems,…

Computation and Language · Computer Science 2023-01-13 Ryota Tanaka , Kyosuke Nishida , Kosuke Nishida , Taku Hasegawa , Itsumi Saito , Kuniko Saito

Question-answering (QA) on hybrid scientific tabular and textual data deals with scientific information, and relies on complex numerical reasoning. In recent years, while tabular QA has seen rapid progress, understanding their robustness on…

Computation and Language · Computer Science 2024-04-02 Akash Ghosh , B Venkata Sahith , Niloy Ganguly , Pawan Goyal , Mayank Singh

Multi-hop question answering (QA) involves finding multiple relevant passages and performing step-by-step reasoning to answer complex questions. Previous works on multi-hop QA employ specific methods from different modeling perspectives…

Computation and Language · Computer Science 2025-05-20 Taolin Zhang , Dongyang Li , Qizhou Chen , Chengyu Wang , Xiaofeng He

We propose a new CogQA framework for multi-hop question answering in web-scale documents. Inspired by the dual process theory in cognitive science, the framework gradually builds a \textit{cognitive graph} in an iterative process by…

Computation and Language · Computer Science 2019-06-05 Ming Ding , Chang Zhou , Qibin Chen , Hongxia Yang , Jie Tang

Fact-centric question answering (QA) often requires access to multiple, heterogeneous, information sources. By jointly considering several sources like a knowledge base (KB), a text collection, and tables from the web, QA systems can…

Information Retrieval · Computer Science 2023-08-22 Philipp Christmann , Rishiraj Saha Roy , Gerhard Weikum

Multi-entity question answering (MEQA) represents significant challenges for large language models (LLM) and retrieval-augmented generation (RAG) systems, which frequently struggle to consolidate scattered information across diverse…

Computation and Language · Computer Science 2025-09-25 Teng Lin , Yuyu Luo , Honglin Zhang , Jicheng Zhang , Chunlin Liu , Kaishun Wu , Nan Tang

This paper introduces the task of analytical question answering over large, semi-structured document collections. We present MuDABench, a benchmark for multi-document analytical QA, where questions require extracting and synthesizing…

Computation and Language · Computer Science 2026-04-27 Zhanli Li , Yixuan Cao , Lvzhou Luo , Ping Luo