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Question Answering (QA) is a longstanding challenge in natural language processing. Existing QA works mostly focus on specific question types, knowledge domains, or reasoning skills. The specialty in QA research hinders systems from…

Computation and Language · Computer Science 2022-12-12 Wanjun Zhong , Yifan Gao , Ning Ding , Yujia Qin , Zhiyuan Liu , Ming Zhou , Jiahai Wang , Jian Yin , Nan Duan

Question answering on tabular data (a.k.a TableQA), which aims at generating answers to questions grounded on a provided table, has gained significant attention recently. Prior work primarily produces concise factual responses through…

Computation and Language · Computer Science 2023-09-22 Wenting Zhao , Ye Liu , Yao Wan , Yibo Wang , Zhongfen Deng , Philip S. Yu

Legal question answering (QA) has attracted increasing attention from people seeking legal advice, which aims to retrieve the most applicable answers from a large-scale database of question-answer pairs. Previous methods mainly use a…

Computation and Language · Computer Science 2024-12-30 Shiwen Ni , Hao Cheng , Min Yang

Textbook question answering (TQA) is a challenging task in artificial intelligence due to the complex nature of context needed to answer complex questions. Although previous research has improved the task, there are still some limitations…

Computation and Language · Computer Science 2025-01-23 Hessa Abdulrahman Alawwad , Areej Alhothali , Usman Naseem , Ali Alkhathlan , Amani Jamal

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

The advent of Large Language Models (LLMs) provides an opportunity to change the way queries are processed, moving beyond the constraints of conventional SQL-based database systems. However, using an LLM to answer a prediction query is…

Information Retrieval · Computer Science 2024-09-04 Ziyu Li , Wenjie Zhao , Asterios Katsifodimos , Rihan Hai

Tabular language models can generate synthetic tables by modeling rows as token sequences, but they are typically trained once with supervised fine-tuning and then used as static synthesizers. This is limiting because next-token likelihood…

Machine Learning · Computer Science 2026-05-19 Yunbo Long , Tejumade Afonja , Guangya Hao , Alexandra Brintrup , Mario Fritz

Recently, Product Question Answering (PQA) on E-Commerce platforms has attracted increasing attention as it can act as an intelligent online shopping assistant and improve the customer shopping experience. Its key function, automatic answer…

Computation and Language · Computer Science 2021-12-28 Yang Deng , Yaliang Li , Wenxuan Zhang , Bolin Ding , Wai Lam

Table-based question answering (TableQA) is an important task in natural language processing, which requires comprehending tables and employing various reasoning ways to answer the questions. This paper introduces TableQAKit, the first…

Computation and Language · Computer Science 2023-10-24 Fangyu Lei , Tongxu Luo , Pengqi Yang , Weihao Liu , Hanwen Liu , Jiahe Lei , Yiming Huang , Yifan Wei , Shizhu He , Jun Zhao , Kang Liu

Question Answering (QA) is in increasing demand as the amount of information available online and the desire for quick access to this content grows. A common approach to QA has been to fine-tune a pretrained language model on a…

Computation and Language · Computer Science 2020-04-27 Alexander R. Fabbri , Patrick Ng , Zhiguo Wang , Ramesh Nallapati , Bing Xiang

Session-based recommendation aims to generate recommendations for the next item of users' interest based on a given session. In this manuscript, we develop prospective preference enhanced mixed attentive model (P2MAM) to generate…

Information Retrieval · Computer Science 2024-07-11 Bo Peng , Chang-Yu Tai , Srinivasan Parthasarathy , Xia Ning

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…

Databases · Computer Science 2026-04-02 Fengyu Li , Junhao Zhu , Kaishi Song , Lu Chen , Zhongming Yao , Tianyi Li , Christian S. Jensen

We propose AutoQA, a methodology and toolkit to generate semantic parsers that answer questions on databases, with no manual effort. Given a database schema and its data, AutoQA automatically generates a large set of high-quality questions…

Computation and Language · Computer Science 2021-06-09 Silei Xu , Sina J. Semnani , Giovanni Campagna , Monica S. Lam

A long-term ambition of information seeking QA systems is to reason over multi-modal contexts and generate natural answers to user queries. Today, memory intensive pre-trained language models are adapted to downstream tasks such as QA by…

Computation and Language · Computer Science 2023-07-12 Vaishali Pal , Evangelos Kanoulas , Maarten de Rijke

Textbook Question Answering (TQA) is a task that one should answer a diagram/non-diagram question given a large multi-modal context consisting of abundant essays and diagrams. We argue that the explainability of this task should place…

Computation and Language · Computer Science 2023-07-25 Jie Ma , Qi Chai , Jun Liu , Qingyu Yin , Pinghui Wang , Qinghua Zheng

This work reframes the Text-to-SQL task as a pathway for teaching large language models (LLMs) to reason over and manipulate tabular data--moving beyond the traditional focus on query generation. We propose a two-stage framework that…

Computation and Language · Computer Science 2025-05-05 Josefa Lia Stoisser , Marc Boubnovski Martell , Julien Fauqueur

We implement a method for re-ranking top-10 results of a state-of-the-art question answering (QA) system. The goal of our re-ranking approach is to improve the answer selection given the user question and the top-10 candidates. We focus on…

Machine Learning · Computer Science 2021-06-17 Michael Barz , Daniel Sonntag

Existing question answering (QA) systems owe much of their success to large, high-quality training data. Such annotation efforts are costly, and the difficulty compounds in the cross-lingual setting. Therefore, prior cross-lingual QA work…

Computation and Language · Computer Science 2023-10-18 Bryan Li , Chris Callison-Burch

TableQA is the task of answering questions over tables of structured information, returning individual cells or tables as output. TableQA research has focused primarily on high-resource languages, leaving medium- and low-resource languages…

Computation and Language · Computer Science 2024-10-07 Vaishali Pal , Evangelos Kanoulas , Andrew Yates , Maarten de Rijke

Motivated by the emerging demand in the financial industry for the automatic analysis of unstructured and structured data at scale, Question Answering (QA) systems can provide lucrative and competitive advantages to companies by…

Computation and Language · Computer Science 2025-05-05 Bithiah Yuan