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Natural language processing systems are often downstream of unreliable inputs: machine translation, optical character recognition, or speech recognition. For instance, virtual assistants can only answer your questions after understanding…

Computation and Language · Computer Science 2019-08-09 Denis Peskov , Joe Barrow , Pedro Rodriguez , Graham Neubig , Jordan Boyd-Graber

Question answering (QA) has achieved promising progress recently. However, answering a question in real-world scenarios like the medical domain is still challenging, due to the requirement of external knowledge and the insufficient quantity…

Artificial Intelligence · Computer Science 2019-12-10 Sheng Shen , Yaliang Li , Nan Du , Xian Wu , Yusheng Xie , Shen Ge , Tao Yang , Kai Wang , Xingzheng Liang , Wei Fan

Many unanswerable adversarial questions fool the question-answer (QA) system with some plausible answers. Building a robust, frequently asked questions (FAQ) chatbot needs a large amount of diverse adversarial examples. Recent question…

Computation and Language · Computer Science 2021-12-07 Yan Pan , Mingyang Ma , Bernhard Pflugfelder , Georg Groh

In the era of Big Knowledge Graphs, Question Answering (QA) systems have reached a milestone in their performance and feasibility. However, their applicability, particularly in specific domains such as the biomedical domain, has not gained…

Computation and Language · Computer Science 2020-10-19 Saeedeh Shekarpour , Abhishek Nadgeri , Kuldeep Singh

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

Prior studies in privacy policies frame the question answering (QA) task as identifying the most relevant text segment or a list of sentences from a policy document given a user query. Existing labeled datasets are heavily imbalanced (only…

Computation and Language · Computer Science 2023-04-25 Md Rizwan Parvez , Jianfeng Chi , Wasi Uddin Ahmad , Yuan Tian , Kai-Wei Chang

We propose a system that finds the strongest supporting evidence for a given answer to a question, using passage-based question-answering (QA) as a testbed. We train evidence agents to select the passage sentences that most convince a…

Computation and Language · Computer Science 2019-09-16 Ethan Perez , Siddharth Karamcheti , Rob Fergus , Jason Weston , Douwe Kiela , Kyunghyun Cho

Audio Question Answering (AQA) constitutes a pivotal task in which machines analyze both audio signals and natural language questions to produce precise natural language answers. The significance of possessing high-quality, diverse, and…

Due to the concise and structured nature of tables, the knowledge contained therein may be incomplete or missing, posing a significant challenge for table question answering (TableQA) and data analysis systems. Most existing datasets either…

Computation and Language · Computer Science 2024-05-15 Mengkang Hu , Haoyu Dong , Ping Luo , Shi Han , Dongmei Zhang

In real-world question-answering (QA) systems, ill-formed questions, such as wrong words, ill word order, and noisy expressions, are common and may prevent the QA systems from understanding and answering them accurately. In order to…

Information Retrieval · Computer Science 2019-10-10 Ye Liu , Chenwei Zhang , Xiaohui Yan , Yi Chang , Philip S. Yu

Question answering (QA) requires accurately aligning user questions with structured queries, a process often limited by the scarcity of high-quality query-natural language (Q-NL) pairs. To overcome this, we present Q-NL Verifier, an…

Computation and Language · Computer Science 2025-03-04 Tim Schwabe , Louisa Siebel , Patrik Valach , Maribel Acosta

Obtaining training data for multi-hop question answering (QA) is time-consuming and resource-intensive. We explore the possibility to train a well-performed multi-hop QA model without referencing any human-labeled multi-hop question-answer…

Computation and Language · Computer Science 2021-04-13 Liangming Pan , Wenhu Chen , Wenhan Xiong , Min-Yen Kan , William Yang Wang

When Question-Answering (QA) systems are deployed in the real world, users query them through a variety of interfaces, such as speaking to voice assistants, typing questions into a search engine, or even translating questions to languages…

Computation and Language · Computer Science 2021-02-17 Abhilasha Ravichander , Siddharth Dalmia , Maria Ryskina , Florian Metze , Eduard Hovy , Alan W Black

Although language models (LMs) have boosted the performance of Question Answering, they still need plenty of data. Data annotation, in contrast, is a time-consuming process. This especially applies to Question Answering, where possibly…

Computation and Language · Computer Science 2024-05-16 Maximilian Schmidt , Andrea Bartezzaghi , Ngoc Thang Vu

We study the problem of joint question answering (QA) and question generation (QG) in this paper. Our intuition is that QA and QG have intrinsic connections and these two tasks could improve each other. On one side, the QA model judges…

Computation and Language · Computer Science 2017-08-07 Duyu Tang , Nan Duan , Tao Qin , Zhao Yan , Ming Zhou

Synthetic data has been proposed as a solution to address the issue of high-quality data scarcity in the training of large language models (LLMs). Studies have shown that synthetic data can effectively improve the performance of LLMs on…

Computation and Language · Computer Science 2024-06-19 Jie Chen , Yupeng Zhang , Bingning Wang , Wayne Xin Zhao , Ji-Rong Wen , Weipeng Chen

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…

Machine Learning · Computer Science 2015-12-01 Mengye Ren , Ryan Kiros , Richard Zemel

Long-form question answering (LFQA) aims to generate a paragraph-length answer for a given question. While current work on LFQA using large pre-trained model for generation are effective at producing fluent and somewhat relevant content,…

Computation and Language · Computer Science 2022-03-02 Dan Su , Xiaoguang Li , Jindi Zhang , Lifeng Shang , Xin Jiang , Qun Liu , Pascale Fung

We study continually improving an extractive question answering (QA) system via human user feedback. We design and deploy an iterative approach, where information-seeking users ask questions, receive model-predicted answers, and provide…

Computation and Language · Computer Science 2023-11-07 Ge Gao , Hung-Ting Chen , Yoav Artzi , Eunsol Choi

Automatic question generation (QG) serves a wide range of purposes, such as augmenting question-answering (QA) corpora, enhancing chatbot systems, and developing educational materials. Despite its importance, most existing datasets…

Computation and Language · Computer Science 2024-10-07 Seonjeong Hwang , Yunsu Kim , Gary Geunbae Lee