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Related papers: Self-Wiring Question Answering Systems

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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

Unsupervised question answering is an attractive task due to its independence on labeled data. Previous works usually make use of heuristic rules as well as pre-trained models to construct data and train QA models. However, most of these…

Computation and Language · Computer Science 2022-08-24 Yuxiang Nie , Heyan Huang , Zewen Chi , Xian-Ling Mao

Conversational systems enable numerous valuable applications, and question-answering is an important component underlying many of these. However, conversational question-answering remains challenging due to the lack of realistic,…

Artificial Intelligence · Computer Science 2021-02-08 Jing Gu , Mostafa Mirshekari , Zhou Yu , Aaron Sisto

Open-domain Question Answering models which directly leverage question-answer (QA) pairs, such as closed-book QA (CBQA) models and QA-pair retrievers, show promise in terms of speed and memory compared to conventional models which retrieve…

Computation and Language · Computer Science 2021-02-16 Patrick Lewis , Yuxiang Wu , Linqing Liu , Pasquale Minervini , Heinrich Küttler , Aleksandra Piktus , Pontus Stenetorp , Sebastian Riedel

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

Information needs are naturally represented as questions. Automatic Natural-Language Question Answering (NLQA) has only recently become a practical task on a larger scale and without domain constraints. This paper gives a brief introduction…

Computation and Language · Computer Science 2007-05-23 Jochen L. Leidner

While there has been substantial progress in factoid question-answering (QA), answering complex questions remains challenging, typically requiring both a large body of knowledge and inference techniques. Open Information Extraction (Open…

Artificial Intelligence · Computer Science 2017-04-20 Tushar Khot , Ashish Sabharwal , Peter Clark

The field of Question Answering (QA) has made remarkable progress in recent years, thanks to the advent of large pre-trained language models, newer realistic benchmark datasets with leaderboards, and novel algorithms for key components such…

Competency question (CQ) formulation is central to several ontology development and evaluation methodologies. Traditionally, the task of crafting these competency questions heavily relies on the effort of domain experts and knowledge…

Artificial Intelligence · Computer Science 2025-02-13 Xueli Pan , Jacco van Ossenbruggen , Victor de Boer , Zhisheng Huang

An essential requirement for a real-world Knowledge Base Question Answering (KBQA) system is the ability to detect the answerability of questions when generating logical forms. However, state-of-the-art KBQA models assume all questions to…

Computation and Language · Computer Science 2024-11-05 Prayushi Faldu , Indrajit Bhattacharya , Mausam

With a rise in false, inaccurate, and misleading information in propaganda, news, and social media, real-world Question Answering (QA) systems face the challenges of synthesizing and reasoning over misinformation-polluted contexts to derive…

Computation and Language · Computer Science 2023-09-21 Liangming Pan , Wenhu Chen , Min-Yen Kan , William Yang Wang

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

Evaluation of QA systems is very challenging and expensive, with the most reliable approach being human annotations of correctness of answers for questions. Recent works (AVA, BEM) have shown that transformer LM encoder based similarity…

Computation and Language · Computer Science 2023-09-22 Matteo Gabburo , Siddhant Garg , Rik Koncel Kedziorski , Alessandro Moschitti

Although deep neural networks have achieved tremendous success for question answering (QA), they are still suffering from heavy computational and energy cost for real product deployment. Further, existing QA systems are bottlenecked by the…

Computation and Language · Computer Science 2021-09-03 Yuwei Fang , Shuohang Wang , Zhe Gan , Siqi Sun , Jingjing Liu , Chenguang Zhu

Large Language Models (LLMs) have demonstrated significant capabilities, particularly in the domain of question answering (QA). However, their effectiveness in QA is often undermined by the vagueness of user questions. To address this…

Computation and Language · Computer Science 2025-02-26 Junhao Chen , Bowen Wang , Zhouqiang Jiang , Yuta Nakashima

If a question cannot be answered with the available information, robust systems for question answering (QA) should know _not_ to answer. One way to build QA models that do this is with additional training data comprised of unanswerable…

Computation and Language · Computer Science 2023-10-31 Vagrant Gautam , Miaoran Zhang , Dietrich Klakow

In this paper, we introduce the VerifAI project, a pioneering open-source scientific question-answering system, designed to provide answers that are not only referenced but also automatically vetted and verifiable. The components of the…

Computation and Language · Computer Science 2024-07-17 Adela Ljajić , Miloš Košprdić , Bojana Bašaragin , Darija Medvecki , Lorenzo Cassano , Nikola Milošević

Question Answering (QA) is a task that entails reasoning over natural language contexts, and many relevant works augment language models (LMs) with graph neural networks (GNNs) to encode the Knowledge Graph (KG) information. However, most…

Computation and Language · Computer Science 2023-04-26 Jinyoung Park , Hyeong Kyu Choi , Juyeon Ko , Hyeonjin Park , Ji-Hoon Kim , Jisu Jeong , Kyungmin Kim , Hyunwoo J. Kim

Despite significant progress in Visual Question Answering over the years, robustness of today's VQA models leave much to be desired. We introduce a new evaluation protocol and associated dataset (VQA-Rephrasings) and show that…

Computer Vision and Pattern Recognition · Computer Science 2019-02-18 Meet Shah , Xinlei Chen , Marcus Rohrbach , Devi Parikh

Retrieval-augmented Large Language Models (LLMs) have reshaped traditional query-answering systems, offering unparalleled user experiences. However, existing retrieval techniques often struggle to handle multi-modal query contexts. In this…

Databases · Computer Science 2024-07-08 Mengzhao Wang , Haotian Wu , Xiangyu Ke , Yunjun Gao , Xiaoliang Xu , Lu Chen