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With the ever increasing size of the web, relevant information extraction on the Internet with a query formed by a few keywords has become a big challenge. Query Expansion (QE) plays a crucial role in improving searches on the Internet.…

Information Retrieval · Computer Science 2019-06-21 Hiteshwar Kumar Azad , Akshay Deepak

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

Complex question-answering (CQA) involves answering complex natural-language questions on a knowledge base (KB). However, the conventional neural program induction (NPI) approach exhibits uneven performance when the questions have different…

Computation and Language · Computer Science 2020-11-02 Yuncheng Hua , Yuan-Fang Li , Gholamreza Haffari , Guilin Qi , Tongtong Wu

Question answering (QA) systems are among the most important and rapidly developing research topics in natural language processing (NLP). A reason, therefore, is that a QA system allows humans to interact more naturally with a machine,…

Computation and Language · Computer Science 2022-09-27 Amer Farea , Zhen Yang , Kien Duong , Nadeesha Perera , Frank Emmert-Streib

Medical Visual Question Answering (VQA) is an important challenge, as it would lead to faster and more accurate diagnoses and treatment decisions. Most existing methods approach it as a multi-class classification problem, which restricts…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Tom van Sonsbeek , Mohammad Mahdi Derakhshani , Ivona Najdenkoska , Cees G. M. Snoek , Marcel Worring

Objective: Question answering (QA) systems have the potential to improve the quality of clinical care by providing health professionals with the latest and most relevant evidence. However, QA systems have not been widely adopted. This…

Computation and Language · Computer Science 2024-02-06 Gregory Kell , Angus Roberts , Serge Umansky , Linglong Qian , Davide Ferrari , Frank Soboczenski , Byron Wallace , Nikhil Patel , Iain J Marshall

We present PeerQA, a real-world, scientific, document-level Question Answering (QA) dataset. PeerQA questions have been sourced from peer reviews, which contain questions that reviewers raised while thoroughly examining the scientific…

Computation and Language · Computer Science 2025-02-20 Tim Baumgärtner , Ted Briscoe , Iryna Gurevych

Open-domain Question Answering (OpenQA) is an important task in Natural Language Processing (NLP), which aims to answer a question in the form of natural language based on large-scale unstructured documents. Recently, there has been a surge…

Artificial Intelligence · Computer Science 2021-05-11 Fengbin Zhu , Wenqiang Lei , Chao Wang , Jianming Zheng , Soujanya Poria , Tat-Seng Chua

Question answering (QA) models have shown rapid progress enabled by the availability of large, high-quality benchmark datasets. Such annotated datasets are difficult and costly to collect, and rarely exist in languages other than English,…

Computation and Language · Computer Science 2020-05-05 Patrick Lewis , Barlas Oğuz , Ruty Rinott , Sebastian Riedel , Holger Schwenk

Question-answering (QA) that comes naturally to humans is a critical component in seamless human-computer interaction. It has emerged as one of the most convenient and natural methods to interact with the web and is especially desirable in…

Computation and Language · Computer Science 2022-11-15 Deepak Gupta

Question answering (QA) is an important natural language processing (NLP) task and has received much attention in academic research and industry communities. Existing QA studies assume that questions are raised by humans and answers are…

Computation and Language · Computer Science 2019-01-15 Qing Yin , Guan Luo , Xiaodong Zhu , Qinghua Hu , Ou Wu

Event Extraction (EE) is an essential information extraction task that aims to extract event-related information from unstructured texts. The paradigm of this task has shifted from conventional classification-based methods to more…

Computation and Language · Computer Science 2024-07-23 Zijin Hong , Jian Liu

Reading and understanding text is one important component in computer aided diagnosis in clinical medicine, also being a major research problem in the field of NLP. In this work, we introduce a question-answering task called MedQA to study…

Computation and Language · Computer Science 2018-03-01 Xiao Zhang , Ji Wu , Zhiyang He , Xien Liu , Ying Su

Question Answering (QA) has shown great success thanks to the availability of large-scale datasets and the effectiveness of neural models. Recent research works have attempted to extend these successes to the settings with few or no labeled…

Computation and Language · Computer Science 2020-05-07 Zhongli Li , Wenhui Wang , Li Dong , Furu Wei , Ke Xu

The deductive closure of an ideal knowledge base (KB) contains exactly the logical queries that the KB can answer. However, in practice KBs are both incomplete and over-specified, failing to answer some queries that have real-world answers.…

Machine Learning · Computer Science 2021-02-01 Haitian Sun , Andrew O. Arnold , Tania Bedrax-Weiss , Fernando Pereira , William W. Cohen

Question Answering (QA) in clinical notes has gained a lot of attention in the past few years. Existing machine reading comprehension approaches in clinical domain can only handle questions about a single block of clinical texts and fail to…

Computation and Language · Computer Science 2022-07-25 Ping Wang , Tian Shi , Khushbu Agarwal , Sutanay Choudhury , Chandan K. Reddy

The exponential growth of AI in science necessitates efficient and scalable solutions for retrieving and preserving research information. Here, we present a tool for the development of a customized question-answer (QA) dataset, called…

Information Retrieval · Computer Science 2025-02-25 Qiming Liu , Zhongzheng Niu , Siting Liu , Mao Tian

Our goal is a question-answering (QA) system that can show how its answers are implied by its own internal beliefs via a systematic chain of reasoning. Such a capability would allow better understanding of why a model produced the answer it…

Artificial Intelligence · Computer Science 2022-10-25 Oyvind Tafjord , Bhavana Dalvi Mishra , Peter Clark

Medical question-answering (QA) systems can benefit from advances in large language models (LLMs), but directly applying LLMs to the clinical domain poses challenges such as maintaining factual accuracy and avoiding hallucinations. In this…

Computation and Language · Computer Science 2025-12-08 Tasnimul Hassan , Md Faisal Karim , Haziq Jeelani , Elham Behnam , Robert Green , Fayeq Jeelani Syed

Table Question Answering (Table QA) refers to providing precise answers from tables to answer a user's question. In recent years, there have been a lot of works on table QA, but there is a lack of comprehensive surveys on this research…

Computation and Language · Computer Science 2022-07-13 Nengzheng Jin , Joanna Siebert , Dongfang Li , Qingcai Chen