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Probabilistic Time Series Forecasting (PTSF) plays a crucial role in decision-making across various fields, including economics, energy, and transportation. Most existing methods excell at short-term forecasting, while overlooking the…

Machine Learning · Computer Science 2025-07-29 Xingjian Wu , Xiangfei Qiu , Hongfan Gao , Jilin Hu , Bin Yang , Chenjuan Guo

Knowledge graph embedding (KGE) aims at learning powerful representations to benefit various artificial intelligence applications. Meanwhile, contrastive learning has been widely leveraged in graph learning as an effective mechanism to…

Artificial Intelligence · Computer Science 2023-06-14 Ke Liang , Yue Liu , Sihang Zhou , Wenxuan Tu , Yi Wen , Xihong Yang , Xiangjun Dong , Xinwang Liu

The effectiveness of knowledge graph embedding (KGE) largely depends on the ability to model intrinsic relation patterns and mapping properties. However, existing approaches can only capture some of them with insufficient modeling capacity.…

Artificial Intelligence · Computer Science 2022-06-22 Rui Li , Jianan Zhao , Chaozhuo Li , Di He , Yiqi Wang , Yuming Liu , Hao Sun , Senzhang Wang , Weiwei Deng , Yanming Shen , Xing Xie , Qi Zhang

Accurate Traffic Prediction is a challenging task in intelligent transportation due to the spatial-temporal aspects of road networks. The traffic of a road network can be affected by long-distance or long-term dependencies where existing…

Machine Learning · Computer Science 2024-04-10 Zhengyang Zhao , Haitao Yuan , Nan Jiang , Minxiao Chen , Ning Liu , Zengxiang Li

In recent years, Knowledge Graph (KG) development has attracted significant researches considering the applications in web search, relation prediction, natural language processing, information retrieval, question answering to name a few.…

Information Retrieval · Computer Science 2022-05-19 Satvik Garg , Dwaipayan Roy

Knowledge graph embedding (KGE) that maps entities and relations into vector representations is essential for downstream applications. Conventional KGE methods require high-dimensional representations to learn the complex structure of…

Machine Learning · Computer Science 2024-09-04 Borui Cai , Yong Xiang , Longxiang Gao , Di Wu , He Zhang , Jiong Jin , Tom Luan

Graph data structures are widely used to store relational information between several entities. With data being generated worldwide on a large scale, we see a significant growth in the generation of knowledge graphs. Thing in the future is…

Artificial Intelligence · Computer Science 2023-10-24 Rohith Teja Mittakola , Thomas Hassan

This paper introduces FANTF (Fuzzy Attention Network-Based Transformers), a novel approach that integrates fuzzy logic with existing transformer architectures to advance time series forecasting, classification, and anomaly detection tasks.…

Machine Learning · Computer Science 2025-04-02 Sanjay Chakraborty , Fredrik Heintz

Modern transformer-based sequential recommenders excel at capturing short-term intent but often suffer from recency bias, overlooking stable long-term preferences. While extending sequence lengths is an intuitive fix, it is computationally…

Machine Learning · Computer Science 2026-04-10 Andrii Dzhoha , Egor Malykh

Multivariate time series forecasting, which analyzes historical time series to predict future trends, can effectively help decision-making. Complex relations among variables in MTS, including static, dynamic, predictable, and latent…

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

Heterogeneous multi-robot systems are increasingly used in long-horizon missions requiring coordinated planning across diverse capabilities. However, existing planning approaches struggle to construct accurate symbolic representations and…

Robotics · Computer Science 2026-05-07 Chak Lam Shek , Faizan M. Tariq , Sangjae Bae , David Isele , Piyush Gupta

Recent advances in multimodal foundation models unifying image understanding and generation have opened exciting avenues for tackling a wide range of vision-language tasks within a single framework. Despite progress, existing unified models…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Ying Shen , Zhiyang Xu , Jiuhai Chen , Shizhe Diao , Jiaxin Zhang , Yuguang Yao , Joy Rimchala , Ismini Lourentzou , Lifu Huang

Transformer-based language models have achieved impressive success in various natural language processing tasks due to their ability to capture complex dependencies and contextual information using self-attention mechanisms. However, they…

Computation and Language · Computer Science 2023-06-26 Kaushik Roy , Yuxin Zi , Vignesh Narayanan , Manas Gaur , Amit Sheth

This paper introduces a novel multivariate volatility modeling framework, named Long Short-Term Memory enhanced BEKK (LSTM-BEKK), that integrates deep learning into multivariate GARCH processes. By combining the flexibility of recurrent…

Computational Finance · Quantitative Finance 2025-06-04 Haoyuan Wang , Chen Liu , Minh-Ngoc Tran , Chao Wang

Modeling evolving knowledge over temporal knowledge graphs (TKGs) has become a heated topic. Various methods have been proposed to forecast links on TKGs. Most of them are embedding-based, where hidden representations are learned to…

Artificial Intelligence · Computer Science 2024-03-18 Zifeng Ding , Heling Cai , Jingpei Wu , Yunpu Ma , Ruotong Liao , Bo Xiong , Volker Tresp

Knowledge Graph (KG) is a flexible structure that is able to describe the complex relationship between data entities. Currently, most KG embedding models are trained based on negative sampling, i.e., the model aims to maximize some…

Artificial Intelligence · Computer Science 2021-06-17 Zelong Li , Jianchao Ji , Zuohui Fu , Yingqiang Ge , Shuyuan Xu , Chong Chen , Yongfeng Zhang

Embedding learning, a.k.a. representation learning, has been shown to be able to model large-scale semantic knowledge graphs. A key concept is a mapping of the knowledge graph to a tensor representation whose entries are predicted by models…

Machine Learning · Computer Science 2015-12-23 Cristóbal Esteban , Volker Tresp , Yinchong Yang , Stephan Baier , Denis Krompaß

Introducing prior auxiliary information from the knowledge graph (KG) to assist the user-item graph can improve the comprehensive performance of the recommender system. Many recent studies show that the ensemble properties of hyperbolic…

Information Retrieval · Computer Science 2023-03-21 Bosong Huang , Weihao Yu , Ruzhong Xie , Jing Xiao , Jin Huang

Predicting missing facts in a knowledge graph (KG) is a crucial task in knowledge base construction and reasoning, and it has been the subject of much research in recent works using KG embeddings. While existing KG embedding approaches…

Computation and Language · Computer Science 2020-10-09 Xuelu Chen , Muhao Chen , Changjun Fan , Ankith Uppunda , Yizhou Sun , Carlo Zaniolo

Temporal Knowledge Graphs (TKGs) incorporate temporal information to reflect the dynamic structural knowledge and evolutionary patterns of real-world facts. Nevertheless, TKGs are still limited in downstream applications due to the problem…

Machine Learning · Computer Science 2024-08-29 Jinchuan Zhang , Tianqi Wan , Chong Mu , Guangxi Lu , Ling Tian