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Knowledge graph (KG) link prediction is a fundamental task in artificial intelligence, with applications in natural language processing, information retrieval, and biomedicine. Recently, promising results have been achieved by leveraging…

计算与语言 · 计算机科学 2022-09-26 Tara Safavi , Doug Downey , Tom Hope

We introduce a novel masked graph autoencoder (MGAE) framework to perform effective learning on graph structure data. Taking insights from self-supervised learning, we randomly mask a large proportion of edges and try to reconstruct these…

机器学习 · 计算机科学 2022-01-10 Qiaoyu Tan , Ninghao Liu , Xiao Huang , Rui Chen , Soo-Hyun Choi , Xia Hu

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…

信息检索 · 计算机科学 2024-11-07 Yuxin Dong , Shuo Wang , Hongye Zheng , Jiajing Chen , Zhenhong Zhang , Chihang Wang

Recently developed deep neural models like NetGAN, CELL, and Variational Graph Autoencoders have made progress but face limitations in replicating key graph statistics on generating large graphs. Diffusion-based methods have emerged as…

机器学习 · 计算机科学 2023-10-31 Mingyang Wu , Xiaohui Chen , Li-Ping Liu

Emerging Implicit Neural Representation (INR) is a promising data compression technique, which represents the data using the parameters of a Deep Neural Network (DNN). Existing methods manually partition a complex scene into local regions…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Jianchen Zhao , Cheng-Ching Tseng , Ming Lu , Ruichuan An , Xiaobao Wei , He Sun , Shanghang Zhang

Graph Neural Networks (GNNs) have shown remarkable merit in performing various learning-based tasks in complex networks. The superior performance of GNNs often correlates with the availability and quality of node-level features in the input…

社会与信息网络 · 计算机科学 2023-10-20 Anwar Said , Mudassir Shabbir , Tyler Derr , Waseem Abbas , Xenofon Koutsoukos

Generating textual descriptions for images has been an attractive problem for the computer vision and natural language processing researchers in recent years. Dozens of models based on deep learning have been proposed to solve this problem.…

计算机视觉与模式识别 · 计算机科学 2019-07-01 Ahmad Asadi , Reza Safabakhsh

We examine two fundamental tasks associated with graph representation learning: link prediction and semi-supervised node classification. We present a novel autoencoder architecture capable of learning a joint representation of both local…

机器学习 · 计算机科学 2019-03-12 Phi Vu Tran

In the era of Large Language Models (LLMs), Retrieval-Augmented Generation (RAG) architectures are gaining significant attention for their ability to ground language generation in reliable knowledge sources. Despite their effectiveness, RAG…

信息检索 · 计算机科学 2026-05-11 Francesco Granata , Francesco Poggi , Misael Mongiovì

Over the last few years, graph autoencoders (AE) and variational autoencoders (VAE) emerged as powerful node embedding methods, with promising performances on challenging tasks such as link prediction and node clustering. Graph AE, VAE and…

机器学习 · 计算机科学 2020-06-18 Guillaume Salha , Romain Hennequin , Michalis Vazirgiannis

We introduce CoDe-KG, an open-source, end-to-end pipeline for extracting sentence-level knowledge graphs by combining robust coreference resolution with syntactic sentence decomposition. Using our model, we contribute a dataset of over…

We propose a novel method that leverages sparse autoencoders (SAEs) and clustering techniques to analyze the internal token representations of large language models (LLMs) and guide generations in mathematical reasoning tasks. Our approach…

人工智能 · 计算机科学 2025-10-03 Daniel Zhao , Abhilash Shankarampeta , Lanxiang Hu , Tajana Rosing , Hao Zhang

Event-based Action Recognition (EAR) has attracted significant attention due to the high temporal resolution and high dynamic range of event cameras. However, existing methods typically suffer from (i) the computational redundancy of dense…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Weidong Hao

Knowledge Graph Completion (KGC) aims at automatically predicting missing links for large-scale knowledge graphs. A vast number of state-of-the-art KGC techniques have got published at top conferences in several research fields, including…

计算与语言 · 计算机科学 2020-07-10 Zhiqing Sun , Shikhar Vashishth , Soumya Sanyal , Partha Talukdar , Yiming Yang

We propose a method for image categorization and retrieval that leverages graphs and a graph attention network (GAT)-based autoencoder. Our approach is representative-centric, that is, we execute the categorization and retrieval process via…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Duygu Sap , Martin Lotz , Connor Mattinson

We introduce a novel embedding model, named NoGE, which aims to integrate co-occurrence among entities and relations into graph neural networks to improve knowledge graph completion (i.e., link prediction). Given a knowledge graph, NoGE…

计算与语言 · 计算机科学 2021-12-28 Dai Quoc Nguyen , Vinh Tong , Dinh Phung , Dat Quoc Nguyen

We present a novel graph neural network (GNN) architecture for retrieval-augmented generation (RAG) that leverages query-aware attention mechanisms and learned scoring heads to improve retrieval accuracy on complex, multi-hop questions.…

信息检索 · 计算机科学 2025-08-11 Vibhor Agrawal , Fay Wang , Rishi Puri

In class-incremental learning (CIL), effective incremental learning strategies are essential to mitigate task confusion and catastrophic forgetting, especially as the number of tasks $t$ increases. Current exemplar replay strategies impose…

机器学习 · 计算机科学 2025-05-19 Milad Khademi Nori , Il-Min Kim , Guanghui Wang

Most recent coreference resolution systems use search algorithms over possible spans to identify mentions and resolve coreference. We instead present a coreference resolution system that uses a text-to-text (seq2seq) paradigm to predict…

计算与语言 · 计算机科学 2022-11-23 Bernd Bohnet , Chris Alberti , Michael Collins

Text classification in education, usually called auto-tagging, is the automated process of assigning relevant tags to educational content, such as questions and textbooks. However, auto-tagging suffers from a data scarcity problem, which…