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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…

Computation and Language · Computer Science 2025-03-07 Teng Lin , Yizhang Zhu , Yuyu Luo , Nan Tang

Table Question Answering (Table QA) in real-world settings must operate over both structured databases and semi-structured tables containing textual fields. However, existing benchmarks are tied to fixed data formats and have not…

Computation and Language · Computer Science 2026-02-10 Yue Zhang , Seiji Maekawa , Nikita Bhutani

Tabular data is difficult to analyze and to search through, yielding for new tools and interfaces that would allow even non tech-savvy users to gain insights from open datasets without resorting to specialized data analysis tools or even…

Information Retrieval · Computer Science 2017-08-31 Svitlana Vakulenko , Vadim Savenkov

This paper presents TableQuery, a novel tool for querying tabular data using deep learning models pre-trained to answer questions on free text. Existing deep learning methods for question answering on tabular data have various limitations,…

Computation and Language · Computer Science 2022-02-02 Abhijith Neil Abraham , Fariz Rahman , Damanpreet Kaur

Retrieval-augmented generation (RAG) enhances large language models (LLMs) by incorporating external knowledge. Current hybrid RAG system retrieves evidence from both knowledge graphs (KGs) and text documents to support LLM reasoning.…

Computation and Language · Computer Science 2025-09-22 Xingyu Tan , Xiaoyang Wang , Qing Liu , Xiwei Xu , Xin Yuan , Liming Zhu , Wenjie Zhang

Despite recent interest in open domain question answering (ODQA) over tables, many studies still rely on datasets that are not truly optimal for the task with respect to utilizing structural nature of table. These datasets assume answers…

Computation and Language · Computer Science 2023-05-15 Sunjun Kweon , Yeonsu Kwon , Seonhee Cho , Yohan Jo , Edward Choi

Despite the rapid progress in multihop question-answering (QA), models still have trouble explaining why an answer is correct, with limited explanation training data available to learn from. To address this, we introduce three explanation…

Computation and Language · Computer Science 2020-10-08 Harsh Jhamtani , Peter Clark

Generating natural language statements to convey logical inferences from tabular data (i.e., Logical NLG) is a process with one input and a variety of valid outputs. This characteristic underscores the need for a method to produce a diverse…

Computation and Language · Computer Science 2023-05-31 Yotam Perlitz , Liat Ein-Dor , Dafna Sheinwald , Noam Slonim , Michal Shmueli-Scheuer

We present WebFAQ, a large-scale collection of open-domain question answering datasets derived from FAQ-style schema.org annotations. In total, the data collection consists of 96 million natural question-answer (QA) pairs across 75…

Computation and Language · Computer Science 2025-03-03 Michael Dinzinger , Laura Caspari , Kanishka Ghosh Dastidar , Jelena Mitrović , Michael Granitzer

With the rapid growth of Web-based academic publications, more and more papers are being published annually, making it increasingly difficult to find relevant prior work. Citation prediction aims to automatically suggest appropriate…

Automatic question generation (QG) serves a wide range of purposes, such as augmenting question-answering (QA) corpora, enhancing chatbot systems, and developing educational materials. Despite its importance, most existing datasets…

Computation and Language · Computer Science 2024-10-07 Seonjeong Hwang , Yunsu Kim , Gary Geunbae Lee

Question answering (QA) models for reading comprehension have been demonstrated to exploit unintended dataset biases such as question-context lexical overlap. This hinders QA models from generalizing to under-represented samples such as…

Computation and Language · Computer Science 2021-09-24 Kazutoshi Shinoda , Saku Sugawara , Akiko Aizawa

Vision-Language Models (VLMs) have demonstrated remarkable capabilities in interpreting visual layouts and text. However, a significant challenge remains in their ability to interpret robustly and reason over multi-tabular data presented as…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Anshul Singh , Chris Biemann , Jan Strich

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…

Computation and Language · Computer Science 2025-06-27 Chen Shen , Sajjadur Rahman , Estevam Hruschka

The ideal form of Visual Question Answering requires understanding, grounding and reasoning in the joint space of vision and language and serves as a proxy for the AI task of scene understanding. However, most existing VQA benchmarks are…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Kang Chen , Xiangqian Wu

Existing question answering (QA) datasets fail to train QA systems to perform complex reasoning and provide explanations for answers. We introduce HotpotQA, a new dataset with 113k Wikipedia-based question-answer pairs with four key…

Computation and Language · Computer Science 2018-09-26 Zhilin Yang , Peng Qi , Saizheng Zhang , Yoshua Bengio , William W. Cohen , Ruslan Salakhutdinov , Christopher D. Manning

This article presents the QUASAR system for question answering over unstructured text, structured tables, and knowledge graphs, with unified treatment of all sources. The system adopts a RAG-based architecture, with a pipeline of evidence…

Computation and Language · Computer Science 2024-12-11 Philipp Christmann , Gerhard Weikum

We introduce GQA, a new dataset for real-world visual reasoning and compositional question answering, seeking to address key shortcomings of previous VQA datasets. We have developed a strong and robust question engine that leverages scene…

Computation and Language · Computer Science 2019-07-12 Drew A. Hudson , Christopher D. Manning

Recently, large reasoning models have demonstrated strong mathematical and coding abilities, and deep search leverages their reasoning capabilities in challenging information retrieval tasks. Existing deep search works are generally limited…

Information Retrieval · Computer Science 2025-08-12 Jiejun Tan , Zhicheng Dou , Yan Yu , Jiehan Cheng , Qiang Ju , Jian Xie , Ji-Rong Wen

The development of robust clinical decision support systems is frequently impeded by the scarcity of high-fidelity, privacy-preserving biomedical data. While Generative Large Language Models (LLMs) offer a promising avenue for synthetic…

Machine Learning · Computer Science 2026-04-03 Arshia Ilaty , Hossein Shirazi , Amir Rahmani , Hajar Homayouni