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Related papers: Multi-hop Inference for Question-driven Summarizat…

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Graph Retrieval-Augmented Generation (Graph RAG) effectively builds a knowledge graph (KG) to connect disparate facts across a large document corpus. However, this broad-view approach often lacks the deep structured reasoning needed for…

Computation and Language · Computer Science 2025-10-27 Jiaoyang Li , Junhao Ruan , Shengwei Tang , Saihan Chen , Kaiyan Chang , Yuan Ge , Tong Xiao , Jingbo Zhu

Reading Comprehension has received significant attention in recent years as high quality Question Answering (QA) datasets have become available. Despite state-of-the-art methods achieving strong overall accuracy, Multi-Hop (MH) reasoning…

Computation and Language · Computer Science 2019-05-24 Alex Long , Joel Mason , Alan Blair , Wei Wang

Multi-hop question answering (QA) requires models to retrieve and reason over multiple pieces of evidence. While Retrieval-Augmented Generation (RAG) has made progress in this area, existing methods often suffer from two key limitations:…

Computation and Language · Computer Science 2025-04-01 Yuelyu Ji , Rui Meng , Zhuochun Li , Daqing He

Objective: Automatic text summarization tools can help users in the biomedical domain to access information efficiently from a large volume of scientific literature and other sources of text documents. In this paper, we propose a…

Information Retrieval · Computer Science 2018-11-26 Milad Moradi , Nasser Ghadiri

Question Answering for complex questions is often modeled as a graph construction or traversal task, where a solver must build or traverse a graph of facts that answer and explain a given question. This "multi-hop" inference has been shown…

Computation and Language · Computer Science 2018-05-30 Peter Jansen

Multi-hop question answering (MHQA) requires integrating knowledge scattered across multiple passages to derive the correct answer. Traditional retrieval-augmented generation (RAG) methods primarily focus on coarse-grained textual semantic…

Computation and Language · Computer Science 2025-08-18 Changjian Wang , Weihong Deng , Weili Guan , Quan Lu , Ning Jiang

Highlighting while reading is a natural behavior for people to track salient content of a document. It would be desirable to teach an extractive summarizer to do the same. However, a major obstacle to the development of a supervised…

Computation and Language · Computer Science 2019-04-05 Kristjan Arumae , Fei Liu

Opinion summarization is the task of automatically generating summaries for a set of reviews about a specific target (e.g., a movie or a product). Since the number of reviews for each target can be prohibitively large, neural network-based…

Computation and Language · Computer Science 2021-01-25 Reinald Kim Amplayo , Mirella Lapata

The ability to extract compact, meaningful summaries from large-scale and multimodal data is critical for numerous applications, ranging from video analytics to medical reports. Prior methods in cross-modal summarization have often suffered…

Computation and Language · Computer Science 2025-07-31 Hannah Kim , Sofia Martinez , Jason Lee

We consider the problem of automatically generating a narrative biomedical evidence summary from multiple trial reports. We evaluate modern neural models for abstractive summarization of relevant article abstracts from systematic reviews…

Computation and Language · Computer Science 2020-12-23 Byron C. Wallace , Sayantan Saha , Frank Soboczenski , Iain J. Marshall

We introduce a novel retrieval-augmented generation (RAG) framework tailored for multihop question answering. First, our system uses large language model (LLM) to decompose complex multihop questions into a sequence of single-hop…

Computation and Language · Computer Science 2025-08-14 Seokgi Lee

We introduce a new approach for abstractive text summarization, Topic-Guided Abstractive Summarization, which calibrates long-range dependencies from topic-level features with globally salient content. The idea is to incorporate neural…

Computation and Language · Computer Science 2021-08-31 Chujie Zheng , Kunpeng Zhang , Harry Jiannan Wang , Ling Fan , Zhe Wang

We often summarize a multi-party conversation in two stages: chunking with homogeneous units and summarizing the chunks. Thus, we hypothesize that there exists a correlation between homogeneous speaker chunking and overall summarization…

Computation and Language · Computer Science 2024-07-23 Anisha Saha , Abhisek Tiwari , Sai Ruthvik , Sriparna Saha

Neural network models recently proposed for question answering (QA) primarily focus on capturing the passage-question relation. However, they have minimal capability to link relevant facts distributed across multiple sentences which is…

Computation and Language · Computer Science 2018-01-26 Souvik Kundu , Hwee Tou Ng

Multi-hop reasoning requires aggregating multiple documents to answer a complex question. Existing methods usually decompose the multi-hop question into simpler single-hop questions to solve the problem for illustrating the explainable…

Computation and Language · Computer Science 2022-08-23 Siyuan Wang , Zhongyu Wei , Zhihao Fan , Qi Zhang , Xuanjing Huang

Query focused summarization (QFS) models aim to generate summaries from source documents that can answer the given query. Most previous work on QFS only considers the query relevance criterion when producing the summary. However, studying…

Computation and Language · Computer Science 2021-06-01 Dan Su , Tiezheng Yu , Pascale Fung

The exponential growth of scientific publications has made it increasingly difficult for researchers to stay updated and synthesize knowledge effectively. This paper presents XSum, a modular pipeline for multi-document summarization (MDS)…

Computation and Language · Computer Science 2025-05-23 Pierre Achkar , Tim Gollub , Martin Potthast

The semantic parsing-based method is an important research branch for knowledge-based question answering. It usually generates executable programs lean upon the question and then conduct them to reason answers over a knowledge base. Benefit…

Computation and Language · Computer Science 2023-09-12 Yingyao Wang , Yongwei Zhou , Chaoqun Duan , Junwei Bao , Tiejun Zhao

Most of existing extractive multi-document summarization (MDS) methods score each sentence individually and extract salient sentences one by one to compose a summary, which have two main drawbacks: (1) neglecting both the intra and…

Computation and Language · Computer Science 2021-10-26 Moye Chen , Wei Li , Jiachen Liu , Xinyan Xiao , Hua Wu , Haifeng Wang

Summarization for scientific text has shown significant benefits both for the research community and human society. Given the fact that the nature of scientific text is distinctive and the input of the multi-document summarization task is…

Computation and Language · Computer Science 2024-09-30 Huy Quoc To , Ming Liu , Guangyan Huang , Hung-Nghiep Tran , Andr'e Greiner-Petter , Felix Beierle , Akiko Aizawa