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Open Domain Question Answering (ODQA) within natural language processing involves building systems that answer factual questions using large-scale knowledge corpora. Recent advances stem from the confluence of several factors, such as…

计算与语言 · 计算机科学 2024-06-21 Akchay Srivastava , Atif Memon

Automated answering of natural language questions is an interesting and useful problem to solve. Question answering (QA) systems often perform information retrieval at an initial stage. Information retrieval (IR) performance, provided by…

计算与语言 · 计算机科学 2012-03-23 Leon Derczynski , Jun Wang , Robert Gaizauskas , Mark A. Greenwood

Existing question answering methods infer answers either from a knowledge base or from raw text. While knowledge base (KB) methods are good at answering compositional questions, their performance is often affected by the incompleteness of…

计算与语言 · 计算机科学 2017-04-28 Rajarshi Das , Manzil Zaheer , Siva Reddy , Andrew McCallum

Question Answering (QA) is not a new research field in Natural Language Processing (NLP). However in recent years, QA has been a subject of growing study. Nowadays, most of the QA systems have a similar pipelined architecture and each…

信息检索 · 计算机科学 2012-05-09 Ricardo Pires

Generative models for open domain question answering have proven to be competitive, without resorting to external knowledge. While promising, this approach requires to use models with billions of parameters, which are expensive to train and…

计算与语言 · 计算机科学 2021-02-04 Gautier Izacard , Edouard Grave

Question answering has emerged as an intuitive way of querying structured data sources, and has attracted significant advancements over the years. In this article, we provide an overview over these recent advancements, focusing on neural…

计算与语言 · 计算机科学 2019-07-23 Nilesh Chakraborty , Denis Lukovnikov , Gaurav Maheshwari , Priyansh Trivedi , Jens Lehmann , Asja Fischer

Complex question-answering (CQA) involves answering complex natural-language questions on a knowledge base (KB). However, the conventional neural program induction (NPI) approach exhibits uneven performance when the questions have different…

计算与语言 · 计算机科学 2020-11-02 Yuncheng Hua , Yuan-Fang Li , Gholamreza Haffari , Guilin Qi , Tongtong Wu

Question Answering (QA) is increasingly used by search engines to provide results to their end-users, yet very few websites currently use QA technologies for their search functionality. To illustrate the potential of QA technologies for the…

计算与语言 · 计算机科学 2024-01-18 Kunpeng Guo , Clement Defretiere , Dennis Diefenbach , Christophe Gravier , Antoine Gourru

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…

计算与语言 · 计算机科学 2017-01-02 Ahlam Ansari , Moonish Maknojia , Altamash Shaikh

Large Language Models excel in generative tasks but exhibit inefficiencies in structured text selection, particularly in extractive question answering. This challenge is magnified in resource-constrained environments, where deploying…

计算与语言 · 计算机科学 2026-05-29 Yannis Montreuil , Shu Heng Yeo , Axel Carlier , Lai Xing Ng , Wei Tsang Ooi

Open-ended question answering (QA) evaluates a model's ability to perform contextualized reasoning beyond factual recall. This challenge is especially acute in practice-based domains, where knowledge is procedural and grounded in…

计算与语言 · 计算机科学 2026-01-29 Si Chen , Le Huy Khiem , Annalisa Szymanski , Ronald Metoyer , Ting Hua , Nitesh V. Chawla

The ability of reasoning over evidence has received increasing attention in question answering (QA). Recently, natural language database (NLDB) conducts complex QA in knowledge base with textual evidences rather than structured…

计算与语言 · 计算机科学 2022-10-18 Minjun Zhu , Yixuan Weng , Shizhu He , Kang Liu , Jun Zhao

Reasoning systems with too simple a model of the world and human intent are unable to consider potential negative side effects of their actions and modify their plans to avoid them (e.g., avoiding potential errors). However, hand-encoding…

人工智能 · 计算机科学 2018-02-26 Douglas Summers Stay

This work aims to address the problem of image-based question-answering (QA) with new models and datasets. In our work, we propose to use neural networks and visual semantic embeddings, without intermediate stages such as object detection…

机器学习 · 计算机科学 2015-12-01 Mengye Ren , Ryan Kiros , Richard Zemel

Commonsense question answering (QA) requires a model to grasp commonsense and factual knowledge to answer questions about world events. Many prior methods couple language modeling with knowledge graphs (KG). However, although a KG contains…

计算与语言 · 计算机科学 2021-08-04 Yichong Xu , Chenguang Zhu , Ruochen Xu , Yang Liu , Michael Zeng , Xuedong Huang

In this paper, we introduce FAMMA, an open-source benchmark for \underline{f}in\underline{a}ncial \underline{m}ultilingual \underline{m}ultimodal question \underline{a}nswering (QA). Our benchmark aims to evaluate the abilities of large…

计算与语言 · 计算机科学 2025-05-16 Siqiao Xue , Xiaojing Li , Fan Zhou , Qingyang Dai , Zhixuan Chu , Hongyuan Mei

Question answering (QA) aims to understand questions and find appropriate answers. In real-world QA systems, Frequently Asked Question (FAQ) based QA is usually a practical and effective solution, especially for some complicated questions…

计算与语言 · 计算机科学 2020-10-23 Ruobing Xie , Yanan Lu , Fen Lin , Leyu Lin

Open-domain conversational question answering can be viewed as two tasks: passage retrieval and conversational question answering, where the former relies on selecting candidate passages from a large corpus and the latter requires better…

计算与语言 · 计算机科学 2022-11-18 Hung-Chieh Fang , Kuo-Han Hung , Chao-Wei Huang , Yun-Nung Chen

Representing meaning in the form of high dimensional vectors is a common and powerful tool in biologically inspired architectures. While the meaning of a set of concepts can be summarized by taking a (possibly weighted) sum of their…

人工智能 · 计算机科学 2018-09-25 Douglas Summers-Stay , Peter Sutor , Dandan Li

Knowledge graphs contain informative factual knowledge but are considered incomplete. To answer complex queries under incomplete knowledge, learning-based Complex Query Answering (CQA) models are proposed to directly learn from the…

机器学习 · 计算机科学 2024-03-18 Hang Yin , Zihao Wang , Yangqiu Song