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Users frequently ask simple factoid questions for question answering (QA) systems, attenuating the impact of myriad recent works that support more complex questions. Prompting users with automatically generated suggested questions (SQs) can…

Computation and Language · Computer Science 2021-08-06 Xusen Yin , Li Zhou , Kevin Small , Jonathan May

This paper introduces QAConv, a new question answering (QA) dataset that uses conversations as a knowledge source. We focus on informative conversations, including business emails, panel discussions, and work channels. Unlike open-domain…

Computation and Language · Computer Science 2022-04-18 Chien-Sheng Wu , Andrea Madotto , Wenhao Liu , Pascale Fung , Caiming Xiong

We propose a novel text generation task, namely Curiosity-driven Question Generation. We start from the observation that the Question Generation task has traditionally been considered as the dual problem of Question Answering, hence…

Computation and Language · Computer Science 2019-11-11 Thomas Scialom , Jacopo Staiano

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

The increasing rate of information pollution on the Web requires novel solutions to tackle that. Question Answering (QA) interfaces are simplified and user-friendly interfaces to access information on the Web. However, similar to other AI…

Information Retrieval · Computer Science 2019-07-08 Saeedeh Shekarpour , Faisal Alshargi

Question Answering (QA) systems have traditionally relied on structured text data, but the rapid growth of multimedia content (images, audio, video, and structured metadata) has introduced new challenges and opportunities for…

Information Retrieval · Computer Science 2025-10-24 Rahul Raja , Arpita Vats

Knowledge graphs (KGs) have been widely used for question answering (QA) applications, especially the entity based QA. However, searching an-swers from an entire large-scale knowledge graph is very time-consuming and it is hard to meet the…

Artificial Intelligence · Computer Science 2021-07-30 Shuangyong Song

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

Questions Under Discussion (QUD) is a versatile linguistic framework in which discourse progresses as continuously asking questions and answering them. Automatic parsing of a discourse to produce a QUD structure thus entails a complex…

Computation and Language · Computer Science 2023-11-03 Yating Wu , Ritika Mangla , Greg Durrett , Junyi Jessy Li

The dependency between an adequate question formulation and correct answer selection is a very intriguing but still underexplored area. In this paper, we show that question rewriting (QR) of the conversational context allows to shed more…

Computation and Language · Computer Science 2022-02-04 Svitlana Vakulenko , Shayne Longpre , Zhucheng Tu , Raviteja Anantha

Community Question Answering (CQA) websites can be claimed as the most major venues for knowledge sharing, and the most effective way of exchanging knowledge at present. Considering that massive amount of users are participating online and…

Information Retrieval · Computer Science 2018-10-29 Chaoran Huang , Lina Yao , Xianzhi Wang , Boualem Benatallah , Xiang Zhang

Visual Question Answering (VQA) is a recent problem in computer vision and natural language processing that has garnered a large amount of interest from the deep learning, computer vision, and natural language processing communities. In…

Computer Vision and Pattern Recognition · Computer Science 2017-06-16 Kushal Kafle , Christopher Kanan

Open domain Question Answering (QA) systems must interact with external knowledge sources, such as web pages, to find relevant information. Information sources like Wikipedia, however, are not well structured and difficult to utilize in…

Computation and Language · Computer Science 2017-03-28 Yusuke Watanabe , Bhuwan Dhingra , Ruslan Salakhutdinov

Direct answering of questions that involve multiple entities and relations is a challenge for text-based QA. This problem is most pronounced when answers can be found only by joining evidence from multiple documents. Curated knowledge…

Information Retrieval · Computer Science 2020-12-01 Xiaolu Lu , Soumajit Pramanik , Rishiraj Saha Roy , Abdalghani Abujabal , Yafang Wang , Gerhard Weikum

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

Natural language question answering (QA) over structured data sources such as tables and knowledge graphs have been widely investigated, especially with Large Language Models (LLMs) in recent years. The main solutions include question to…

Computation and Language · Computer Science 2024-12-16 Wen Zhang , Long Jin , Yushan Zhu , Jiaoyan Chen , Zhiwei Huang , Junjie Wang , Yin Hua , Lei Liang , Huajun Chen

Retrieval-augmented generation is increasingly effective in answering scientific questions from literature, but many state-of-the-art systems are expensive and closed-source. We introduce Ai2 Scholar QA, a free online scientific question…

Question Answering (QA) has proved to be an arduous challenge in the area of natural language processing (NLP) and artificial intelligence (AI). Many attempts have been made to develop complete solutions for QA as well as improving…

Computation and Language · Computer Science 2023-05-18 Pragya Katyayan , Nisheeth Joshi

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

Question Answering System (QAS) is used for information retrieval and natural language processing (NLP) to reduce human effort. There are numerous QAS based on the user documents present today, but they all are limited to providing…

Computation and Language · Computer Science 2017-01-02 Ahlam Ansari , Moonish Maknojia , Altamash Shaikh