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This paper proposes a novel neural machine reading model for open-domain question answering at scale. Existing machine comprehension models typically assume that a short piece of relevant text containing answers is already identified and…

Computation and Language · Computer Science 2017-10-06 Bin Bi , Hao Ma

In recent years, there have been amazing advances in deep learning methods for machine reading. In machine reading, the machine reader has to extract the answer from the given ground truth paragraph. Recently, the state-of-the-art machine…

Computation and Language · Computer Science 2018-04-13 Phu Mon Htut , Samuel R. Bowman , Kyunghyun Cho

Open-domain question answering (OpenQA) represents a cornerstone in natural language processing (NLP), primarily focused on extracting answers from unstructured textual data. With the rapid advancements in Large Language Models (LLMs),…

Computation and Language · Computer Science 2025-10-28 Tingjia Shen , Hao Wang , Chuan Qin , Ruijun Sun , Yang Song , Defu Lian , Hengshu Zhu , Enhong Chen

Open book question answering is a type of natural language based QA (NLQA) where questions are expected to be answered with respect to a given set of open book facts, and common knowledge about a topic. Recently a challenge involving such…

Computation and Language · Computer Science 2019-07-26 Pratyay Banerjee , Kuntal Kumar Pal , Arindam Mitra , Chitta Baral

Open domain question answering (ODQA) is a longstanding task aimed at answering factual questions from a large knowledge corpus without any explicit evidence in natural language processing (NLP). Recent works have predominantly focused on…

Computation and Language · Computer Science 2022-11-16 Qin Zhang , Shangsi Chen , Dongkuan Xu , Qingqing Cao , Xiaojun Chen , Trevor Cohn , Meng Fang

Question answering (QA) is a natural language understanding task within the fields of information retrieval and information extraction that has attracted much attention from the computational linguistics and artificial intelligence research…

Computation and Language · Computer Science 2022-08-16 Kiet Van Nguyen , Phong Nguyen-Thuan Do , Nhat Duy Nguyen , Tin Van Huynh , Anh Gia-Tuan Nguyen , Ngan Luu-Thuy Nguyen

Open-domain Question Answering (ODQA) has achieved significant results in terms of supervised learning manner. However, data annotation cannot also be irresistible for its huge demand in an open domain. Though unsupervised QA or…

Computation and Language · Computer Science 2021-09-01 Pengfei Zhu , Xiaoguang Li , Jian Li , Hai Zhao

Open-domain question answering (QA) is an important problem in AI and NLP that is emerging as a bellwether for progress on the generalizability of AI methods and techniques. Much of the progress in open-domain QA systems has been realized…

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

We propose a novel open-domain question answering (ODQA) framework for answering single/multi-hop questions across heterogeneous knowledge sources. The key novelty of our method is the introduction of the intermediary modules into the…

Computation and Language · Computer Science 2022-10-25 Kaixin Ma , Hao Cheng , Xiaodong Liu , Eric Nyberg , Jianfeng Gao

Reading Comprehension (RC) is a task of answering a question from a given passage or a set of passages. In the case of multiple passages, the task is to find the best possible answer to the question. Recent trials and experiments in the…

Computation and Language · Computer Science 2022-01-06 Avi Chawla

This paper introduces a new framework for open-domain question answering in which the retriever and the reader iteratively interact with each other. The framework is agnostic to the architecture of the machine reading model, only requiring…

Computation and Language · Computer Science 2019-05-15 Rajarshi Das , Shehzaad Dhuliawala , Manzil Zaheer , Andrew McCallum

Open-domain question answering (ODQA) has emerged as a pivotal research spotlight in information systems. Existing methods follow two main paradigms to collect evidence: (1) The \textit{retrieve-then-read} paradigm retrieves pertinent…

Computation and Language · Computer Science 2024-03-11 Hongda Sun , Yuxuan Liu , Chengwei Wu , Haiyu Yan , Cheng Tai , Xin Gao , Shuo Shang , Rui Yan

In the recent past, Natural language Inference (NLI) has gained significant attention, particularly given its promise for downstream NLP tasks. However, its true impact is limited and has not been well studied. Therefore, in this paper, we…

Computation and Language · Computer Science 2020-10-06 Anshuman Mishra , Dhruvesh Patel , Aparna Vijayakumar , Xiang Li , Pavan Kapanipathi , Kartik Talamadupula

In open-domain question answering (QA), retrieve-and-read mechanism has the inherent benefit of interpretability and the easiness of adding, removing, or editing knowledge compared to the parametric approaches of closed-book QA models.…

Computation and Language · Computer Science 2021-05-25 Sohee Yang , Minjoon Seo

Open-domain question answering (QA) tasks usually require the retrieval of relevant information from a large corpus to generate accurate answers. We propose a novel approach called Generator-Retriever-Generator (GRG) that combines document…

Computation and Language · Computer Science 2024-03-27 Abdelrahman Abdallah , Adam Jatowt

Conversational search is one of the ultimate goals of information retrieval. Recent research approaches conversational search by simplified settings of response ranking and conversational question answering, where an answer is either…

Information Retrieval · Computer Science 2020-05-26 Chen Qu , Liu Yang , Cen Chen , Minghui Qiu , W. Bruce Croft , Mohit Iyyer

Open-domain question answering aims at solving the task of locating the answers to user-generated questions in massive collections of documents. There are two families of solutions available: retriever-readers, and knowledge-graph-based…

Computation and Language · Computer Science 2020-10-26 Jinfeng Xiao , Lidan Wang , Franck Dernoncourt , Trung Bui , Tong Sun , Jiawei Han

Question answering (QA) system aims at retrieving precise information from a large collection of documents against a query. This paper describes the architecture of a Natural Language Question Answering (NLQA) system for a specific domain…

Computation and Language · Computer Science 2013-11-14 Athira P. M. , Sreeja M. , P. C. Reghu Raj

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
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