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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…

计算与语言 · 计算机科学 2022-11-15 Deepak Gupta

This paper considers the reading comprehension task in which multiple documents are given as input. Prior work has shown that a pipeline of retriever, reader, and reranker can improve the overall performance. However, the pipeline system is…

计算与语言 · 计算机科学 2019-06-12 Minghao Hu , Yuxing Peng , Zhen Huang , Dongsheng Li

Existing approaches for open-domain question answering (QA) are typically designed for questions that require either single-hop or multi-hop reasoning, which make strong assumptions of the complexity of questions to be answered. Also,…

计算与语言 · 计算机科学 2021-05-25 Ping Nie , Yuyu Zhang , Arun Ramamurthy , Le Song

The ability to ask questions is important in both human and machine intelligence. Learning to ask questions helps knowledge acquisition, improves question-answering and machine reading comprehension tasks, and helps a chatbot to keep the…

计算与语言 · 计算机科学 2020-03-06 Bang Liu , Haojie Wei , Di Niu , Haolan Chen , Yancheng He

Recent studies on Question Answering (QA) and Conversational QA (ConvQA) emphasize the role of retrieval: a system first retrieves evidence from a large collection and then extracts answers. This open-retrieval ConvQA setting typically…

信息检索 · 计算机科学 2021-03-04 Chen Qu , Liu Yang , Cen Chen , W. Bruce Croft , Kalpesh Krishna , Mohit Iyyer

Training conversational question-answering (QA) systems requires a substantial amount of in-domain data, which is often scarce in practice. A common solution to this challenge is to generate synthetic data. Traditional methods typically…

机器学习 · 计算机科学 2025-04-22 Kun Qian , Maximillian Chen , Siyan Li , Arpit Sharma , Zhou Yu

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…

计算与语言 · 计算机科学 2020-10-19 Saeedeh Shekarpour , Abhishek Nadgeri , Kuldeep Singh

Question answering (QA) systems for large document collections typically use pipelines that (i) retrieve possibly relevant documents, (ii) re-rank them, (iii) rank paragraphs or other snippets of the top-ranked documents, and (iv) select…

信息检索 · 计算机科学 2021-06-17 Dimitris Pappas , Ion Androutsopoulos

Existing table question answering datasets contain abundant factual questions that primarily evaluate the query and schema comprehension capability of a system, but they fail to include questions that require complex reasoning and…

In the era of loT (Internet of Things) we are surrounded by a plethora of Al enabled devices that can transcribe images, video, audio, and sensors signals into text descriptions. When such transcriptions are captured in activity reports for…

计算与语言 · 计算机科学 2022-09-21 Ravi Choudhary , Arvind Krishna Sridhar , Erik Visser

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…

信息检索 · 计算机科学 2024-11-05 Lixiao Yang , Mengyang Xu , Weimao Ke

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…

计算与语言 · 计算机科学 2022-04-18 Chien-Sheng Wu , Andrea Madotto , Wenhao Liu , Pascale Fung , Caiming Xiong

Knowledge-intensive tasks, such as open-domain question answering (QA), require access to a large amount of world or domain knowledge. A common approach for knowledge-intensive tasks is to employ a retrieve-then-read pipeline that first…

计算与语言 · 计算机科学 2023-01-26 Wenhao Yu , Dan Iter , Shuohang Wang , Yichong Xu , Mingxuan Ju , Soumya Sanyal , Chenguang Zhu , Michael Zeng , Meng Jiang

Question Generation (QG) is the task of generating a plausible question for a given <passage, answer> pair. Template-based QG uses linguistically-informed heuristics to transform declarative sentences into interrogatives, whereas supervised…

计算与语言 · 计算机科学 2021-09-17 Chenyang Lyu , Lifeng Shang , Yvette Graham , Jennifer Foster , Xin Jiang , Qun Liu

Question Answering (QA) research is a significant and challenging task in Natural Language Processing. QA aims to extract an exact answer from a relevant text snippet or a document. The motivation behind QA research is the need of user who…

信息检索 · 计算机科学 2018-10-10 Lokesh Kumar Sharma , Namita Mittal

Multi-hop Question Answering (QA) requires the machine to answer complex questions by finding scattering clues and reasoning from multiple documents. Graph Network (GN) and Question Decomposition (QD) are two common approaches at present.…

计算与语言 · 计算机科学 2022-03-18 Jiawei Li , Mucheng Ren , Yang Gao , Yizhe Yang

The exponential growth of AI in science necessitates efficient and scalable solutions for retrieving and preserving research information. Here, we present a tool for the development of a customized question-answer (QA) dataset, called…

信息检索 · 计算机科学 2025-02-25 Qiming Liu , Zhongzheng Niu , Siting Liu , Mao Tian

Electronic health records (EHRs) hold significant value for research and applications. As a new way of information extraction, question answering (QA) can extract more flexible information than conventional methods and is more accessible to…

计算与语言 · 计算机科学 2024-02-20 Huaiyuan Ying , Sheng Yu

Geospatial question answering (QA) is a fundamental task in navigation and point of interest (POI) searches. While existing geospatial QA datasets exist, they are limited in both scale and diversity, often relying solely on textual…

计算与语言 · 计算机科学 2025-03-12 Zekun Li , Malcolm Grossman , Eric , Qasemi , Mihir Kulkarni , Muhao Chen , Yao-Yi Chiang

Question answering (QA) is a critical task for speech-based retrieval from knowledge sources, by sifting only the answers without requiring to read supporting documents. Specifically, open-domain QA aims to answer user questions on…

计算与语言 · 计算机科学 2023-08-09 Sang-eun Han , Yeonseok Jeong , Seung-won Hwang , Kyungjae Lee