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Rendering volumetric scattering media, including clouds, fog, smoke, and other complex materials, is crucial for realism in computer graphics. Traditional path tracing, while unbiased, requires many long path samples to converge in scenes…

Graphics · Computer Science 2024-04-19 Becky Hu , Xi Deng , Fujun Luan , Miloš Hašan , Steve Marschner

A Temporal Knowledge Graph (TKG) is a sequence of KGs with respective timestamps, which adopts quadruples in the form of (\emph{subject}, \emph{relation}, \emph{object}, \emph{timestamp}) to describe dynamic facts. TKG reasoning has…

Artificial Intelligence · Computer Science 2022-10-19 Zixuan Li , Zhongni Hou , Saiping Guan , Xiaolong Jin , Weihua Peng , Long Bai , Yajuan Lyu , Wei Li , Jiafeng Guo , Xueqi Cheng

The timely provision of traffic sign information to drivers is essential for the drivers to respond, to ensure safe driving, and to avoid traffic accidents in a timely manner. We proposed a timely visual recognizability quantitative…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Shanxin Zhang , Cheng Wang , Zhuang Yang , Chenglu Wen , Jonathan Li , Chenhui Yang

On graph data, the multitude of node or edge types gives rise to heterogeneous information networks (HINs). To preserve the heterogeneous semantics on HINs, the rich node/edge types become a cornerstone of HIN representation learning.…

Machine Learning · Computer Science 2023-02-22 Trung-Kien Nguyen , Zemin Liu , Yuan Fang

We consider the Dynamic Map Visitation Problem (DMVP), in which a team of agents must visit a collection of critical locations as quickly as possible, in an environment that may change rapidly and unpredictably during the agents'…

Computational Complexity · Computer Science 2014-07-29 Eric Aaron , Danny Krizanc , Elliot Meyerson

Vision graph neural networks have emerged as a popular approach for modeling the global and spatial context for image recognition. However, a significant drawback of these methods is that they do not offer an inherent interpretation of the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Ivica Obadic , Dmitry Kangin , Adrian Höhl , Dario Oliveira , Plamen P Angelov , Xiao Xiang Zhu

Diffusion models simulate the propagation of influence in networks. The design and evaluation of diffusion models has been subjective and empirical. When being applied to a network represented by a graph, the diffusion model generates a…

Social and Information Networks · Computer Science 2020-12-15 Fangqi Li

Graph classification is an important learning task for graph-structured data. Graph neural networks (GNNs) have recently gained growing attention in graph learning and have shown significant improvements in many important graph problems.…

Machine Learning · Computer Science 2024-01-31 Tao Wen , Elynn Chen , Yuzhou Chen

We propose an efficient and interpretable scene graph generator. We consider three types of features: visual, spatial and semantic, and we use a late fusion strategy such that each feature's contribution can be explicitly investigated. We…

Computer Vision and Pattern Recognition · Computer Science 2018-11-26 Ji Zhang , Kevin Shih , Andrew Tao , Bryan Catanzaro , Ahmed Elgammal

The powerful capabilities of Large Language Models (LLMs) have led to their growing use in evaluating human-generated content, particularly in evaluating research ideas within academic settings. Existing solutions primarily rely on…

Machine Learning · Computer Science 2025-05-30 Tao Feng , Yihang Sun , Jiaxuan You

Evolving relations in real-world networks are often modelled by temporal graphs. Temporal Graph Neural Networks (TGNNs) emerged to model evolutionary behaviour of such graphs by leveraging the message passing primitive at the core of Graph…

Machine Learning · Computer Science 2024-10-23 Katarina Petrović , Shenyang Huang , Farimah Poursafaei , Petar Veličković

Multi-task prompt tuning utilizes multiple high-resource source tasks to improve performance on low-source target tasks. Existing approaches transfer the soft prompt trained by combining all source tasks or a single ``high-similar'' source…

Computation and Language · Computer Science 2025-03-25 Pieyi Zhang , Richong Zhang , Zhijie Nie

Multi-view learning has progressed rapidly in recent years. Although many previous studies assume that each instance appears in all views, it is common in real-world applications for instances to be missing from some views, resulting in…

Machine Learning · Computer Science 2022-08-30 Pengfei Zhu , Xinjie Yao , Yu Wang , Meng Cao , Binyuan Hui , Shuai Zhao , Qinghua Hu

Scalable Vector Graphics (SVGs) are highly favored by designers due to their resolution independence and well-organized layer structure. Although existing text-to-vector (T2V) generation methods can create SVGs from text prompts, they often…

Graphics · Computer Science 2025-05-16 Peiying Zhang , Nanxuan Zhao , Jing Liao

Topological data analysis is an emerging area in exploratory data analysis and data mining. Its main tool, persistent homology, has become a popular technique to study the structure of complex, high-dimensional data. In this paper, we…

Graphics · Computer Science 2017-10-04 Mustafa Hajij , Bei Wang , Carlos Scheidegger , Paul Rosen

In recent years, temporal knowledge graph (TKG) reasoning has received significant attention. Most existing methods assume that all timestamps and corresponding graphs are available during training, which makes it difficult to predict…

Artificial Intelligence · Computer Science 2024-02-22 Yongquan He , Peng Zhang , Luchen Liu , Qi Liang , Wenyuan Zhang , Chuang Zhang

Several researches on recommender systems are based on explicit rating data, but in many real world e-commerce platforms, ratings are not always available, and in those situations, recommender systems have to deal with implicit data such as…

Information Retrieval · Computer Science 2019-04-30 Armel Jacques Nzekon Nzeko'o , Maurice Tchuente , Matthieu Latapy

As a representation of relational data over time series, longitudinal networks provide opportunities to study link formation processes. However, networks at scale often exhibits community structure (i.e. clustering), which may confound…

Methodology · Statistics 2017-04-04 Ming Cao

We propose a network-filtering method, the Triangulated Maximally Filtered Graph (TMFG), that provides an approximate solution to the Weighted Maximal Planar Graph problem. The underlying idea of TMFG consists in building a triangulation…

Data Structures and Algorithms · Computer Science 2015-08-26 Guido Previde Massara , T. Di Matteo , Tomaso Aste

Multivariate time series (MTS) forecasting is an essential problem in many fields. Accurate forecasting results can effectively help decision-making. To date, many MTS forecasting methods have been proposed and widely applied. However,…

Machine Learning · Computer Science 2021-12-16 Ziheng Duan , Haoyan Xu , Yida Huang , Jie Feng , Yueyang Wang