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The study of citation networks is of interest to the scientific community. However, the underlying mechanism driving individual citation behavior remains imperfectly understood, despite the recent proliferation of quantitative research…

Physics and Society · Physics 2021-11-03 Feng Hu , Lin Ma , Xiu-Xiu Zhan , Yinzuo Zhou , Chuang Liu , Haixing Zhao , Zi-Ke Zhang

Recent studies have explored graph-based approaches to retrieval-augmented generation, leveraging structured or semi-structured information -- such as entities and their relations extracted from documents -- to enhance retrieval. However,…

Computation and Language · Computer Science 2025-07-24 Zhili Shen , Chenxin Diao , Pascual Merita , Pavlos Vougiouklis , Jeff Z. Pan

Effective human learning depends on a wide selection of educational materials that align with the learner's current understanding of the topic. While the Internet has revolutionized human learning or education, a substantial resource…

Computation and Language · Computer Science 2022-01-10 Irene Li , Thomas George , Alexander Fabbri , Tammy Liao , Benjamin Chen , Rina Kawamura , Richard Zhou , Vanessa Yan , Swapnil Hingmire , Dragomir Radev

Retrieval-Augmented Generation (RAG) merges retrieval methods with deep learning advancements to address the static limitations of large language models (LLMs) by enabling the dynamic integration of up-to-date external information. This…

Information Retrieval · Computer Science 2026-05-19 Yizheng Huang , Jimmy Huang

Recent advances in Retrieval-Augmented Generation (RAG) have revolutionized knowledge-intensive tasks, yet traditional RAG methods struggle when the search space is unknown or when documents are semi-structured or structured. We introduce a…

Information Retrieval · Computer Science 2026-03-25 Manie Tadayon , Mayank Gupta

This paper focuses on the dynamic optimization of the Retrieval-Augmented Generation (RAG) architecture. It proposes a state-aware dynamic knowledge retrieval mechanism to enhance semantic understanding and knowledge scheduling efficiency…

Computation and Language · Computer Science 2025-04-29 Jacky He , Guiran Liu , Binrong Zhu , Hanlu Zhang , Hongye Zheng , Xiaokai Wang

In the field of Material Science, effective information retrieval systems are essential for facilitating research. Traditional Retrieval-Augmented Generation (RAG) approaches in Large Language Models (LLMs) often encounter challenges such…

Information Retrieval · Computer Science 2024-12-03 Radeen Mostafa , Mirza Nihal Baig , Mashaekh Tausif Ehsan , Jakir Hasan

Given the growing trend of many organizations integrating Retrieval Augmented Generation (RAG) into their operations, we assess RAG on domain-specific data and test state-of-the-art models across various optimization techniques. We…

Artificial Intelligence · Computer Science 2024-11-14 Anum Afzal , Juraj Vladika , Gentrit Fazlija , Andrei Staradubets , Florian Matthes

Technology-enhanced learning environments often help students retrieve relevant learning content for questions arising during self-paced study. Large language models (LLMs) have emerged as novel aids for information retrieval during…

Information Retrieval · Computer Science 2025-09-29 Eason Chen , Chuangji Li , Shizhuo Li , Zimo Xiao , Jionghao Lin , Kenneth R. Koedinger

Scientists always look for the most accurate and relevant answers to their queries in the literature. Traditional scholarly digital libraries list documents in search results, and therefore are unable to provide precise answers to search…

Digital Libraries · Computer Science 2021-07-13 Golsa Heidari , Ahmad Ramadan , Markus Stocker , Sören Auer

With the rapid growth of Web-based academic publications, more and more papers are being published annually, making it increasingly difficult to find relevant prior work. Citation prediction aims to automatically suggest appropriate…

Scientists always look for the most accurate and relevant answer to their queries on the scholarly literature. Traditional scholarly search systems list documents instead of providing direct answers to the search queries. As data in…

Digital Libraries · Computer Science 2021-07-14 Golsa Heidari , Ahmad Ramadan , Markus Stocker , Sören Auer

Document-level relation extraction (DocRE) aims to extract relations between entities from unstructured document text. Compared to sentence-level relation extraction, it requires more complex semantic understanding from a broader text…

Computation and Language · Computer Science 2024-09-10 Yanxu Mao , Xiaohui Chen , Peipei Liu , Tiehan Cui , Zuhui Yue , Zheng Li

Reconstruction of evolutionary relationships between species is an important topic in the field of computational biology. Pairwise compatibility graphs (PCGs) are used to model such relationships. A graph is a PCG if its edges can be…

Discrete Mathematics · Computer Science 2024-10-17 Seemab Hayat , Naveed Ahmed Azam

Large Language Models (LLMs) have achieved impressive progress in natural language processing, but their limited ability to retain long-term context constrains performance on document-level or multi-turn tasks. Retrieval-Augmented…

Computation and Language · Computer Science 2025-05-20 Zhangyu Wang , Siyuan Gao , Rong Zhou , Hao Wang , Li Ning

The extended structural context has made scientific paper summarization a challenging task. This paper proposes CHANGES, a contrastive hierarchical graph neural network for extractive scientific paper summarization. CHANGES represents a…

Computation and Language · Computer Science 2023-06-02 Haopeng Zhang , Xiao Liu , Jiawei Zhang

Graph-RAG constructs a knowledge graph from text chunks to improve retrieval in Large Language Model (LLM)-based question answering. It is particularly useful in domains such as biomedicine, law, and political science, where retrieval often…

Information Retrieval · Computer Science 2025-06-04 Yiqian Huang , Shiqi Zhang , Xiaokui Xiao

For extracting meaningful topics from texts, their structures should be considered properly. In this paper, we aim to analyze structured time-series documents such as a collection of news articles and a series of scientific papers, wherein…

Computation and Language · Computer Science 2018-05-08 Rem Hida , Naoya Takeishi , Takehisa Yairi , Koichi Hori

Retrieval in Retrieval-Augmented Generation(RAG) must ensure that retrieved passages are not only individually relevant but also collectively form a comprehensive set. Existing approaches primarily rerank top-k passages based on their…

Computation and Language · Computer Science 2025-07-11 Dahyun Lee , Yongrae Jo , Haeju Park , Moontae Lee

LLM-empowered multi-agent systems offer new potential to accelerate scientific discovery by generating novel research ideas. However, existing methods typically coordinate agents through temporary texts, such as drafts or chat logs; it is…

Multiagent Systems · Computer Science 2026-05-07 Jiangwen Dong , Bo Li , Wanyu Lin
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