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Related papers: Answering Science Exam Questions Using Query Rewri…

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Prior work in standardized science exams requires support from large text corpus, such as targeted science corpus fromWikipedia or SimpleWikipedia. However, retrieving knowledge from the large corpus is time-consuming and questions embedded…

Artificial Intelligence · Computer Science 2020-04-28 Xinyue Zheng , Peng Wang , Qigang Wang , Zhongchao Shi

The AI2 Reasoning Challenge (ARC), a new benchmark dataset for question answering (QA) has been recently released. ARC only contains natural science questions authored for human exams, which are hard to answer and require advanced logic…

Machine Learning · Computer Science 2018-06-01 Yuyu Zhang , Hanjun Dai , Kamil Toraman , Le Song

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

We present a new question set, text corpus, and baselines assembled to encourage AI research in advanced question answering. Together, these constitute the AI2 Reasoning Challenge (ARC), which requires far more powerful knowledge and…

Artificial Intelligence · Computer Science 2018-03-16 Peter Clark , Isaac Cowhey , Oren Etzioni , Tushar Khot , Ashish Sabharwal , Carissa Schoenick , Oyvind Tafjord

A Retrieval-Augmented Generation (RAG)-based question-answering (QA) system enhances a large language model's knowledge by retrieving relevant documents based on user queries. Discrepancies between user queries and document phrasings often…

Information Retrieval · Computer Science 2025-11-13 Qi Wang , Yixuan Cao , Yifan Liu , Jiangtao Zhao , Ping Luo

We introduce a new dataset for Question Rewriting in Conversational Context (QReCC), which contains 14K conversations with 80K question-answer pairs. The task in QReCC is to find answers to conversational questions within a collection of…

Information Retrieval · Computer Science 2021-04-16 Raviteja Anantha , Svitlana Vakulenko , Zhucheng Tu , Shayne Longpre , Stephen Pulman , Srinivas Chappidi

Open-domain question answering (QA) aims to find the answer to a question from a large collection of documents.Though many models for single-document machine comprehension have achieved strong performance, there is still much room for…

Computation and Language · Computer Science 2020-06-11 Mantong Zhou , Zhouxing Shi , Minlie Huang , Xiaoyan Zhu

Question Answering (QA) is one of the most important natural language processing (NLP) tasks. It aims using NLP technologies to generate a corresponding answer to a given question based on the massive unstructured corpus. With the…

Computation and Language · Computer Science 2022-07-01 Zhen Wang

We focus on multiple-choice question answering (QA) tasks in subject areas such as science, where we require both broad background knowledge and the facts from the given subject-area reference corpus. In this work, we explore simple yet…

Computation and Language · Computer Science 2019-10-03 Xiaoman Pan , Kai Sun , Dian Yu , Jianshu Chen , Heng Ji , Claire Cardie , Dong Yu

The usage and amount of information available on the internet increase over the past decade. This digitization leads to the need for automated answering system to extract fruitful information from redundant and transitional knowledge…

Computation and Language · Computer Science 2022-02-03 Hariom A. Pandya , Brijesh S. Bhatt

In recent years researchers have achieved considerable success applying neural network methods to question answering (QA). These approaches have achieved state of the art results in simplified closed-domain settings such as the SQuAD…

Computation and Language · Computer Science 2017-11-22 Shuohang Wang , Mo Yu , Xiaoxiao Guo , Zhiguo Wang , Tim Klinger , Wei Zhang , Shiyu Chang , Gerald Tesauro , Bowen Zhou , Jing Jiang

Existing approaches for open-domain question answering (QA) are typically designed for questions that require either single-hop or multi-hop reasoning, which make strong assumptions of the complexity of questions to be answered. Also,…

Computation and Language · Computer Science 2021-05-25 Ping Nie , Yuyu Zhang , Arun Ramamurthy , Le Song

Retrieval question answering (ReQA) is the task of retrieving a sentence-level answer to a question from an open corpus (Ahmad et al.,2019).This paper presents MultiReQA, anew multi-domain ReQA evaluation suite com-posed of eight retrieval…

Computation and Language · Computer Science 2020-05-07 Mandy Guo , Yinfei Yang , Daniel Cer , Qinlan Shen , Noah Constant

Open-domain question answering (QA) is the tasl of identifying answers to natural questions from a large corpus of documents. The typical open-domain QA system starts with information retrieval to select a subset of documents from the…

Computation and Language · Computer Science 2020-09-03 Sina J. Semnani , Manish Pandey

Conversational question answering (QA) requires the ability to correctly interpret a question in the context of previous conversation turns. We address the conversational QA task by decomposing it into question rewriting and question…

Information Retrieval · Computer Science 2020-10-26 Svitlana Vakulenko , Shayne Longpre , Zhucheng Tu , Raviteja Anantha

A popular recent approach to answering open-domain questions is to first search for question-related passages and then apply reading comprehension models to extract answers. Existing methods usually extract answers from single passages…

Computation and Language · Computer Science 2018-04-27 Shuohang Wang , Mo Yu , Jing Jiang , Wei Zhang , Xiaoxiao Guo , Shiyu Chang , Zhiguo Wang , Tim Klinger , Gerald Tesauro , Murray Campbell

Ambiguity is inherent to open-domain question answering; especially when exploring new topics, it can be difficult to ask questions that have a single, unambiguous answer. In this paper, we introduce AmbigQA, a new open-domain question…

Computation and Language · Computer Science 2020-10-06 Sewon Min , Julian Michael , Hannaneh Hajishirzi , Luke Zettlemoyer

Open-domain Question Answering (OpenQA) aims at answering factual questions with an external large-scale knowledge corpus. However, real-world knowledge is not static; it updates and evolves continually. Such a dynamic characteristic of…

Computation and Language · Computer Science 2024-04-03 Zixuan Zhang , Revanth Gangi Reddy , Kevin Small , Tong Zhang , Heng Ji

In today's digital world, seeking answers to health questions on the Internet is a common practice. However, existing question answering (QA) systems often rely on using pre-selected and annotated evidence documents, thus making them…

Computation and Language · Computer Science 2024-04-15 Juraj Vladika , Florian Matthes

While increasingly complex approaches to question answering (QA) have been proposed, the true gain of these systems, particularly with respect to their expensive training requirements, can be inflated when they are not compared to adequate…

Information Retrieval · Computer Science 2018-07-06 Vikas Yadav , Rebecca Sharp , Mihai Surdeanu
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