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Multi-modal retrieval-augmented Question Answering (MRAQA), integrating text and images, has gained significant attention in information retrieval (IR) and natural language processing (NLP). Traditional ranking methods rely on small…

Computation and Language · Computer Science 2025-01-24 Yang Bai , Christan Earl Grant , Daisy Zhe Wang

Neural network-based Open-ended conversational agents automatically generate responses based on predictive models learned from a large number of pairs of utterances. The generated responses are typically acceptable as a sentence but are…

Computation and Language · Computer Science 2019-05-16 Chenyang Huang , Osmar R. Zaïane

The lack of high-quality data for content-grounded generation tasks has been identified as a major obstacle to advancing these tasks. To address this gap, we propose Genie, a novel method for automatically generating high-quality…

Computation and Language · Computer Science 2024-01-26 Asaf Yehudai , Boaz Carmeli , Yosi Mass , Ofir Arviv , Nathaniel Mills , Assaf Toledo , Eyal Shnarch , Leshem Choshen

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

We present RAGentA, a multi-agent retrieval-augmented generation (RAG) framework for attributed question answering (QA) with large language models (LLMs). With the goal of trustworthy answer generation, RAGentA focuses on optimizing answer…

Information Retrieval · Computer Science 2025-09-03 Ines Besrour , Jingbo He , Tobias Schreieder , Michael Färber

Human dialogue contains evolving concepts, and speakers naturally associate multiple concepts to compose a response. However, current dialogue models with the seq2seq framework lack the ability to effectively manage concept transitions and…

Computation and Language · Computer Science 2021-09-10 Yicheng Zou , Zhihua Liu , Xingwu Hu , Qi Zhang

Clinical question answering (QA) aims to automatically answer questions from medical professionals based on clinical texts. Studies show that neural QA models trained on one corpus may not generalize well to new clinical texts from a…

Computation and Language · Computer Science 2021-12-14 Xiang Yue , Xinliang Frederick Zhang , Ziyu Yao , Simon Lin , Huan Sun

Factoid questions are questions that require short fact-based answers. Automatic generation (AQG) of factoid questions from a given text can contribute to educational activities, interactive question answering systems, search engines, and…

Computation and Language · Computer Science 2017-12-29 Guy Danon , Mark Last

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

Community question-answering (CQA) platforms have become very popular forums for asking and answering questions daily. While these forums are rich repositories of community knowledge, they present challenges for finding relevant answers and…

Information Retrieval · Computer Science 2019-04-18 Muhammad Mahbubur Rahman , Sorami Hisamoto , Kevin Duh

TableQA is the task of answering questions over tables of structured information, returning individual cells or tables as output. TableQA research has focused primarily on high-resource languages, leaving medium- and low-resource languages…

Computation and Language · Computer Science 2024-10-07 Vaishali Pal , Evangelos Kanoulas , Andrew Yates , Maarten de Rijke

Open Domain Question Answering (QA) is evolving from complex pipelined systems to end-to-end deep neural networks. Specialized neural models have been developed for extracting answers from either text alone or Knowledge Bases (KBs) alone.…

Computation and Language · Computer Science 2018-09-05 Haitian Sun , Bhuwan Dhingra , Manzil Zaheer , Kathryn Mazaitis , Ruslan Salakhutdinov , William W. Cohen

In multi-turn dialogue generation, responses are not only related to the topic and background of the context but also related to words and phrases in the sentences of the context. However, currently widely used hierarchical dialog models…

Computation and Language · Computer Science 2023-03-15 Danqin Wu

In the last few years, open-domain question answering (ODQA) has advanced rapidly due to the development of deep learning techniques and the availability of large-scale QA datasets. However, the current datasets are essentially designed for…

Computation and Language · Computer Science 2022-02-23 Jiexin Wang , Adam Jatowt , Masatoshi Yoshikawa

Generative models have recently started to outperform extractive models in Open Domain Question Answering, largely by leveraging their decoder to attend over multiple encoded passages and combining their information. However, generative…

Computation and Language · Computer Science 2022-11-21 Akhil Kedia , Mohd Abbas Zaidi , Haejun Lee

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…

Computation and Language · Computer Science 2021-09-17 Chenyang Lyu , Lifeng Shang , Yvette Graham , Jennifer Foster , Xin Jiang , Qun Liu

Automated question generation is an important approach to enable personalisation of English comprehension assessment. Recently, transformer-based pretrained language models have demonstrated the ability to produce appropriate questions from…

Computation and Language · Computer Science 2022-09-27 Vatsal Raina , Mark Gales

We introduce a novel method of generating synthetic question answering corpora by combining models of question generation and answer extraction, and by filtering the results to ensure roundtrip consistency. By pretraining on the resulting…

Computation and Language · Computer Science 2019-06-14 Chris Alberti , Daniel Andor , Emily Pitler , Jacob Devlin , Michael Collins

Owing to the lack of corpora for low-resource languages, current works on dialogue generation have mainly focused on English. In this paper, we present mDIA, the first large-scale multilingual benchmark for dialogue generation across low-…

Computation and Language · Computer Science 2022-08-30 Qingyu Zhang , Xiaoyu Shen , Ernie Chang , Jidong Ge , Pengke Chen

Extractive question answering (QA) systems can enable physicians and researchers to query medical records, a foundational capability for designing clinical studies and understanding patient medical history. However, building these systems…

Computation and Language · Computer Science 2023-12-07 Joel Stremmel , Ardavan Saeedi , Hamid Hassanzadeh , Sanjit Batra , Jeffrey Hertzberg , Jaime Murillo , Eran Halperin