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Extractive text summarization has been an extensive research problem in the field of natural language understanding. While the conventional approaches rely mostly on manually compiled features to generate the summary, few attempts have been…

计算与语言 · 计算机科学 2019-12-30 Abhishek Kumar Singh , Manish Gupta , Vasudeva Varma

Multi-document summarization (MDS) is an effective tool for information aggregation that generates an informative and concise summary from a cluster of topic-related documents. Our survey, the first of its kind, systematically overviews the…

计算与语言 · 计算机科学 2021-12-10 Congbo Ma , Wei Emma Zhang , Mingyu Guo , Hu Wang , Quan Z. Sheng

Multimodal multihop question answering (MMQA) requires reasoning over images and text from multiple sources. Despite advances in visual question answering, this multihop setting remains underexplored due to a lack of quality datasets.…

计算与语言 · 计算机科学 2025-09-16 Amirhossein Abaskohi , Spandana Gella , Giuseppe Carenini , Issam H. Laradji

Text summarization aims to compress a textual document to a short summary while keeping salient information. Extractive approaches are widely used in text summarization because of their fluency and efficiency. However, most of existing…

计算与语言 · 计算机科学 2020-10-14 Peng Cui , Le Hu , Yuanchao Liu

Building training-ready multi-hop question answering (QA) datasets that truly stress a model's retrieval and reasoning abilities remains highly challenging recently. While there have been a few recent evaluation datasets that capture the…

人工智能 · 计算机科学 2025-11-26 Bingsen Qiu , Zijian Liu , Xiao Liu , Bingjie Wang , Feier Zhang , Yixuan Qin , Chunyan Li , Haoshen Yang , Zeren Gao

In Textual question answering (TQA) systems, complex questions often require retrieving multiple textual fact chains with multiple reasoning steps. While existing benchmarks are limited to single-chain or single-hop retrieval scenarios. In…

计算与语言 · 计算机科学 2023-05-24 Minjun Zhu , Yixuan Weng , Shizhu He , Kang Liu , Jun Zhao

In this paper, we present a novel integrated approach for keyphrase generation (KG). Unlike previous works which are purely extractive or generative, we first propose a new multi-task learning framework that jointly learns an extractive…

计算与语言 · 计算机科学 2019-04-09 Wang Chen , Hou Pong Chan , Piji Li , Lidong Bing , Irwin King

Summarization is a way to represent same information in concise way with equal sense. This can be categorized in two type Abstractive and Extractive type. Our work is focused around Extractive summarization. A generic approach to extractive…

信息检索 · 计算机科学 2017-05-19 Chandra Shekhar Yadav , Aditi Sharan

Recently, compressive text summarisation offers a balance between the conciseness issue of extractive summarisation and the factual hallucination issue of abstractive summarisation. However, most existing compressive summarisation methods…

计算与语言 · 计算机科学 2023-06-07 Peggy Tang , Junbin Gao , Lei Zhang , Zhiyong Wang

Multimodal summarization requires models to jointly understand textual and visual inputs to generate concise, semantically coherent summaries. Existing methods often inject shallow visual features into deep language models, leading to…

人工智能 · 计算机科学 2026-05-13 Abid Ali , Diego Molla-Aliod , Usman Naseem

Current abstractive summarization models either suffer from a lack of clear interpretability or provide incomplete rationales by only highlighting parts of the source document. To this end, we propose the Summarization Program (SP), an…

计算与语言 · 计算机科学 2023-02-03 Swarnadeep Saha , Shiyue Zhang , Peter Hase , Mohit Bansal

Multi-Hop Question Answering (MHQA) is crucial for evaluating the model's capability to integrate information from diverse sources. However, creating extensive and high-quality MHQA datasets is challenging: (i) manual annotation is…

计算与语言 · 计算机科学 2026-04-21 Zhiyu Shen , Jiyuan Liu , Yunhe Pang , Yanghui Rao , Fu Lee Wang , Jianxing Yu

Recent advances in natural language processing have enabled automation of a wide range of tasks, including machine translation, named entity recognition, and sentiment analysis. Automated summarization of documents, or groups of documents,…

Multi-hop knowledge graph (KG) reasoning has been widely studied in recent years to provide interpretable predictions on missing links with evidential paths. Most previous works use reinforcement learning (RL) based methods that learn to…

计算与语言 · 计算机科学 2022-11-01 Yushi Bai , Xin Lv , Juanzi Li , Lei Hou , Yincen Qu , Zelin Dai , Feiyu Xiong

Query-focused summarization (QFS) is a fundamental task in natural language processing with broad applications, including search engines and report generation. However, traditional approaches assume the availability of relevant documents,…

计算与语言 · 计算机科学 2024-08-21 Weijia Zhang , Jia-Hong Huang , Svitlana Vakulenko , Yumo Xu , Thilina Rajapakse , Evangelos Kanoulas

Practical applications of abstractive summarization models are limited by frequent factual inconsistencies with respect to their input. Existing automatic evaluation metrics for summarization are largely insensitive to such errors. We…

计算与语言 · 计算机科学 2020-04-10 Alex Wang , Kyunghyun Cho , Mike Lewis

Opinion summarization is the task of automatically creating summaries that reflect subjective information expressed in multiple documents, such as product reviews. While the majority of previous work has focused on the extractive setting,…

计算与语言 · 计算机科学 2020-04-21 Arthur Bražinskas , Mirella Lapata , Ivan Titov

The growth of online consumer health questions has led to the necessity for reliable and accurate question answering systems. A recent study showed that manual summarization of consumer health questions brings significant improvement in…

计算与语言 · 计算机科学 2021-07-02 Shweta Yadav , Deepak Gupta , Asma Ben Abacha , Dina Demner-Fushman

Pointer generator networks have been used successfully for abstractive summarization. Along with the capability to generate novel words, it also allows the model to copy from the input text to handle out-of-vocabulary words. In this paper,…

机器学习 · 计算机科学 2019-02-01 Kushal Chawla , Kundan Krishna , Balaji Vasan Srinivasan

Multi-hop reasoning is an effective approach for query answering (QA) over incomplete knowledge graphs (KGs). The problem can be formulated in a reinforcement learning (RL) setup, where a policy-based agent sequentially extends its…

人工智能 · 计算机科学 2018-09-13 Xi Victoria Lin , Richard Socher , Caiming Xiong