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Related papers: Knowledge Graph-Augmented Abstractive Summarizatio…

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Retrieval-Augmented Generation (RAG) has significantly enhanced Large Language Models' ability to access external knowledge, yet current graph-based RAG approaches face two critical limitations in managing hierarchical information: they…

Artificial Intelligence · Computer Science 2026-01-09 Chunyu Wei , Huaiyu Qin , Siyuan He , Yunhai Wang , Yueguo Chen

Representation learning on text-attributed graphs (TAGs) is vital for real-world applications, as they combine semantic textual and contextual structural information. Research in this field generally consist of two main perspectives:…

Computation and Language · Computer Science 2024-10-15 Yaoke Wang , Yun Zhu , Wenqiao Zhang , Yueting Zhuang , Yunfei Li , Siliang Tang

By harnessing pre-trained language models, summarization models had rapid progress recently. However, the models are mainly assessed by automatic evaluation metrics such as ROUGE. Although ROUGE is known for having a positive correlation…

Computation and Language · Computer Science 2021-06-03 Wonjin Yoon , Yoon Sun Yeo , Minbyul Jeong , Bong-Jun Yi , Jaewoo Kang

In this paper, we propose a method for document summarization using auxiliary information. This approach effectively summarizes descriptions related to specific images, tables, and appendices within lengthy texts. Our experiments…

Computation and Language · Computer Science 2024-07-03 Pengpeng Li , Tingmin Li , Jingyuan Wang , Boyuan Wang , Yang Yang

Most previous studies aim at extracting events from a single sentence, while document-level event extraction still remains under-explored. In this paper, we focus on extracting event arguments from an entire document, which mainly faces two…

Computation and Language · Computer Science 2022-05-03 Runxin Xu , Peiyi Wang , Tianyu Liu , Shuang Zeng , Baobao Chang , Zhifang Sui

In todays era huge volume of information exists everywhere. Therefore, it is very crucial to evaluate that information and extract useful, and often summarized, information out of it so that it may be used for relevant purposes. This…

Computation and Language · Computer Science 2023-02-28 Tohida Rehman , Suchandan Das , Debarshi Kumar Sanyal , Samiran Chattopadhyay

This paper introduces SemRAG, an enhanced Retrieval Augmented Generation (RAG) framework that efficiently integrates domain-specific knowledge using semantic chunking and knowledge graphs without extensive fine-tuning. Integrating…

Computation and Language · Computer Science 2025-07-30 Kezhen Zhong , Basem Suleiman , Abdelkarim Erradi , Shijing Chen

This paper describes a new kind of knowledge representation and mining system which we are calling the Semantic Knowledge Graph. At its heart, the Semantic Knowledge Graph leverages an inverted index, along with a complementary uninverted…

Information Retrieval · Computer Science 2016-09-06 Trey Grainger , Khalifeh AlJadda , Mohammed Korayem , Andries Smith

Knowledge representation is a long-history topic in AI, which is very important. A variety of models have been proposed for knowledge graph embedding, which projects symbolic entities and relations into continuous vector space. However,…

Machine Learning · Computer Science 2020-04-02 Han Xiao , Minlie Huang , Xiaoyan Zhu

Pre-trained sequence-to-sequence (seq-to-seq) models have significantly improved the accuracy of several language generation tasks, including abstractive summarization. Although the fluency of abstractive summarization has been greatly…

Computation and Language · Computer Science 2020-03-31 Itsumi Saito , Kyosuke Nishida , Kosuke Nishida , Junji Tomita

The Abstract Meaning Representation (AMR) is a representation for open-domain rich semantics, with potential use in fields like event extraction and machine translation. Node generation, typically done using a simple dictionary lookup, is…

Computation and Language · Computer Science 2015-06-11 Keenon Werling , Gabor Angeli , Christopher Manning

Current abstractive summarization systems outperform their extractive counterparts, but their widespread adoption is inhibited by the inherent lack of interpretability. To achieve the best of both worlds, we propose EASE, an…

Computation and Language · Computer Science 2021-05-17 Haoran Li , Arash Einolghozati , Srinivasan Iyer , Bhargavi Paranjape , Yashar Mehdad , Sonal Gupta , Marjan Ghazvininejad

Current general-purpose large language models (LLMs) commonly exhibit knowledge hallucination and insufficient domain-specific adaptability in domain-specific tasks, limiting their effectiveness in specialized question answering scenarios.…

Information Retrieval · Computer Science 2025-09-16 Mengzheng Yang , Yanfei Ren , David Osei Opoku , Ruochang Li , Peng Ren , Chunxiao Xing

The anthology of spoken languages today is inundated with textual information, necessitating the development of automatic summarization models. In this manuscript, we propose an extractor-paraphraser based abstractive summarization system…

Computation and Language · Computer Science 2021-05-05 Anubhav Jangra , Raghav Jain , Vaibhav Mavi , Sriparna Saha , Pushpak Bhattacharyya

Knowledge Graph Completion is a task of expanding the knowledge graph/base through estimating possible entities, or proper nouns, that can be connected using a set of predefined relations, or verb/predicates describing interconnections of…

Computation and Language · Computer Science 2021-01-25 Tong Chen , Sirou Zhu , Yiming Wen , Zhaomin Zheng

We present algorithms for aligning components of Abstract Meaning Representation (AMR) graphs to spans in English sentences. We leverage unsupervised learning in combination with heuristics, taking the best of both worlds from previous AMR…

Computation and Language · Computer Science 2021-06-14 Austin Blodgett , Nathan Schneider

Existing summarization systems mostly generate summaries purely relying on the content of the source document. However, even for humans, we usually need some references or exemplars to help us fully understand the source document and write…

Computation and Language · Computer Science 2021-12-14 Chenxin An , Ming Zhong , Zhichao Geng , Jianqiang Yang , Xipeng Qiu

We present SummaRuNNer, a Recurrent Neural Network (RNN) based sequence model for extractive summarization of documents and show that it achieves performance better than or comparable to state-of-the-art. Our model has the additional…

Computation and Language · Computer Science 2016-11-15 Ramesh Nallapati , Feifei Zhai , Bowen Zhou

Multi-Document Scientific Summarization (MDSS) aims to produce coherent and concise summaries for clusters of topic-relevant scientific papers. This task requires precise understanding of paper content and accurate modeling of cross-paper…

Computation and Language · Computer Science 2022-09-12 Pancheng Wang , Shasha Li , Kunyuan Pang , Liangliang He , Dong Li , Jintao Tang , Ting Wang

This study aims to optimize the existing retrieval-augmented generation model (RAG) by introducing a graph structure to improve the performance of the model in dealing with complex knowledge reasoning tasks. The traditional RAG model has…

Information Retrieval · Computer Science 2024-11-07 Yuxin Dong , Shuo Wang , Hongye Zheng , Jiajing Chen , Zhenhong Zhang , Chihang Wang