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While models have reached superhuman performance on popular question answering (QA) datasets such as SQuAD, they have yet to outperform humans on the task of question answering itself. In this paper, we investigate if models are learning…

Computation and Language · Computer Science 2021-09-14 Priyanka Sen , Amir Saffari

Resolving knowledge conflicts is a crucial challenge in Question Answering (QA) tasks, as the internet contains numerous conflicting facts and opinions. While some research has made progress in tackling ambiguous settings where multiple…

Computation and Language · Computer Science 2024-10-30 Sagi Shaier , Ari Kobren , Philip Ogren

Motivated by suggested question generation in conversational news recommendation systems, we propose a model for generating question-answer pairs (QA pairs) with self-contained, summary-centric questions and length-constrained,…

Computation and Language · Computer Science 2021-09-13 Li Zhou , Kevin Small , Yong Zhang , Sandeep Atluri

Question Answering (QA) is a growing area of research, often used to facilitate the extraction of information from within documents. State-of-the-art QA models are usually pre-trained on domain-general corpora like Wikipedia and thus tend…

Computation and Language · Computer Science 2022-12-01 Matthew Maufe , James Ravenscroft , Rob Procter , Maria Liakata

Question answering (QA) is an important aspect of open-domain conversational agents, garnering specific research focus in the conversational QA (ConvQA) subtask. One notable limitation of recent ConvQA efforts is the response being answer…

Computation and Language · Computer Science 2020-12-18 Ashutosh Baheti , Alan Ritter , Kevin Small

Long-form question answering (LFQA) aims at generating in-depth answers to end-user questions, providing relevant information beyond the direct answer. However, existing retrievers are typically optimized towards information that directly…

Computation and Language · Computer Science 2024-10-14 Philipp Christmann , Svitlana Vakulenko , Ionut Teodor Sorodoc , Bill Byrne , Adrià de Gispert

Knowledge base question answering (KBQA) is a challenging task that aims to retrieve correct answers from large-scale knowledge bases. Existing attempts primarily focus on entity representation and final answer reasoning, which results in…

Computation and Language · Computer Science 2023-05-26 Yong Cao , Xianzhi Li , Huiwen Liu , Wen Dai , Shuai Chen , Bin Wang , Min Chen , Daniel Hershcovich

Question-answering (QA) is an important application of Information Retrieval (IR) and language models, and the latest trend is toward pre-trained large neural networks with embedding parameters. Augmenting QA performances with these LLMs…

Information Retrieval · Computer Science 2024-11-05 Lixiao Yang , Mengyang Xu , Weimao Ke

Search engines based on keyword retrieval can no longer adapt to the way of information acquisition in the era of intelligent Internet of Things due to the return of keyword related Internet pages. How to quickly, accurately and effectively…

Computation and Language · Computer Science 2022-01-03 Gaochen Wu , Bin Xu , Yuxin Qin , Yang Liu , Lingyu Liu , Ziwei Wang

Event argument extraction has long been studied as a sequential prediction problem with extractive-based methods, tackling each argument in isolation. Although recent work proposes generation-based methods to capture cross-argument…

Computation and Language · Computer Science 2022-11-15 Xinya Du , Heng Ji

Neural network models recently proposed for question answering (QA) primarily focus on capturing the passage-question relation. However, they have minimal capability to link relevant facts distributed across multiple sentences which is…

Computation and Language · Computer Science 2018-01-26 Souvik Kundu , Hwee Tou Ng

Knowledge-based visual question answering (VQA) requires answering questions with external knowledge in addition to the content of images. One dataset that is mostly used in evaluating knowledge-based VQA is OK-VQA, but it lacks a gold…

Computation and Language · Computer Science 2021-09-10 Man Luo , Yankai Zeng , Pratyay Banerjee , Chitta Baral

Disfluencies is an under-studied topic in NLP, even though it is ubiquitous in human conversation. This is largely due to the lack of datasets containing disfluencies. In this paper, we present a new challenge question answering dataset,…

Computation and Language · Computer Science 2021-06-09 Aditya Gupta , Jiacheng Xu , Shyam Upadhyay , Diyi Yang , Manaal Faruqui

Leveraging vast and continually updated knowledge from the Internet has been considered an important ability for a dialogue system. Therefore, the dialogue query generation task is proposed for generating search queries from dialogue…

Computation and Language · Computer Science 2024-02-19 Jianheng Huang , Ante Wang , Linfeng Gao , Linfeng Song , Jinsong Su

Extractive reading comprehension systems can often locate the correct answer to a question in a context document, but they also tend to make unreliable guesses on questions for which the correct answer is not stated in the context. Existing…

Computation and Language · Computer Science 2018-06-12 Pranav Rajpurkar , Robin Jia , Percy Liang

In open question answering (QA), the answer to a question is produced by retrieving and then analyzing documents that might contain answers to the question. Most open QA systems have considered only retrieving information from unstructured…

Computation and Language · Computer Science 2021-02-11 Wenhu Chen , Ming-Wei Chang , Eva Schlinger , William Wang , William W. Cohen

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

Community Question Answering (CQA) becomes increasingly prevalent in recent years. However, there are a large number of answers, which is difficult for users to select the relevant answers. Therefore, answer selection is a very significant…

Computation and Language · Computer Science 2023-11-30 Xinghang Hu

Machine reading comprehension with unanswerable questions is a challenging task. In this work, we propose a data augmentation technique by automatically generating relevant unanswerable questions according to an answerable question paired…

Computation and Language · Computer Science 2019-06-17 Haichao Zhu , Li Dong , Furu Wei , Wenhui Wang , Bing Qin , Ting Liu

The question answering system can answer questions from various fields and forms with deep neural networks, but it still lacks effective ways when facing multiple evidences. We introduce a new model called SRQA, which means Synthetic Reader…

Computation and Language · Computer Science 2020-09-04 Jiuniu Wang , Wenjia Xu , Xingyu Fu , Yang Wei , Li Jin , Ziyan Chen , Guangluan Xu , Yirong Wu