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Recent studies have highlighted the limitations of message-passing based graph neural networks (GNNs), e.g., limited model expressiveness, over-smoothing, over-squashing, etc. To alleviate these issues, Graph Transformers (GTs) have been…

Machine Learning · Computer Science 2023-03-06 Qiheng Mao , Zemin Liu , Chenghao Liu , Jianling Sun

As a paradigm that delves into the deep seated drivers of user behavior, motivation-based recommendation systems have emerged as a prominent research direction in the field of personalized information retrieval. Unlike traditional…

Information Retrieval · Computer Science 2026-03-16 Yicheng Di

Personalized learning is a student-centered educational approach that adapts content, pace, and assessment to meet each learner's unique needs. As the key technique to implement the personalized learning, learning path recommendation…

Information Retrieval · Computer Science 2025-07-09 Afsana Nasrin , Lijun Qian , Pamela Obiomon , Xishuang Dong

In modern machine learning, pattern recognition replaces realtime semantic reasoning. The mapping from input to output is learned with fixed semantics by training outcomes deliberately. This is an expensive and static approach which depends…

Artificial Intelligence · Computer Science 2017-08-02 Mark Burgess

Mobile video consumption is increasing and sophisticated video quality adaptation strategies are required to deal with mobile throughput fluctuations. These adaptation strategies have to keep the switching frequency low, the average quality…

Multimedia · Computer Science 2018-08-27 Christian Sieber , Korbinian Hagn , Christian Moldovan , Tobias Hoßfeld , Wolfgang Kellerer

Heterogeneity of both the source and target objects is taken into account in a network-based algorithm for the directional resource transformation between objects. Based on a biased heat conduction recommendation method (BHC) which…

Physics and Society · Physics 2013-06-03 Tian Qiu , Tian-Tian Wang , Zi-Ke Zhang , Li-Xin Zhong , Guang Chen

Contrastive Learning (CL)-based recommender systems have gained prominence in the context of Heterogeneous Graph (HG) due to their capacity to enhance the consistency of representations across different views. However, existing frameworks…

Information Retrieval · Computer Science 2024-07-30 Lei Sang , Yu Wang , Yi Zhang , Yiwen Zhang , Xindong Wu

Route Recommendation (RR) is a core task in route planning within online navigation applications, aiming to recommend the optimal route among candidate routes to users. Industrially, RR adopts the two-stage recall-and-rank framework instead…

Information Retrieval · Computer Science 2026-02-04 Hanyu Guo , Chao Chen , Longfei Xu , Chengzhang Wang , Kaikui Liu , Xiangxiang Chu

This paper introduces a novel decision-making framework that promotes consistency among decisions made by diverse models while utilizing external knowledge. Leveraging the Integer Linear Programming (ILP) framework, we map predictions from…

Artificial Intelligence · Computer Science 2024-02-07 Hossein Rajaby Faghihi , Parisa Kordjamshidi

Large language models have achieved near-expert performance in structured reasoning domains like mathematics and programming, yet their ability to perform compositional multi-hop reasoning in specialized scientific fields remains limited.…

Artificial Intelligence · Computer Science 2026-03-09 Yuval Kansal , Niraj K. Jha

In real-world recommendation scenarios, users typically engage with platforms through multiple types of behavioral interactions. Multi-behavior recommendation algorithms aim to leverage various auxiliary user behaviors to enhance prediction…

Information Retrieval · Computer Science 2025-07-22 Hengyu Zhang , Chunxu Shen , Xiangguo Sun , Jie Tan , Yanchao Tan , Yu Rong , Hong Cheng , Lingling Yi

We propose characteristics-informed neural networks (CINN), a simple and efficient machine learning approach for solving forward and inverse problems involving hyperbolic PDEs. Like physics-informed neural networks (PINN), CINN is a…

Machine Learning · Computer Science 2023-01-16 Ulisses Braga-Neto

While large language models (LLMs) demonstrate emerging reasoning capabilities, current inference-time expansion methods incur prohibitive computational costs by exhaustive sampling. Through analyzing decoding trajectories, we observe that…

Artificial Intelligence · Computer Science 2026-02-03 Ziheng Li , Hengyi Cai , Xiaochi Wei , Yuchen Li , Shuaiqiang Wang , Zhi-Hong Deng , Dawei Yin

Diversity is a concept relevant to numerous domains of research varying from ecology, to information theory, and to economics, to cite a few. It is a notion that is steadily gaining attention in the information retrieval, network analysis,…

With the explosive growth of new graduates with research degrees every year, unprecedented challenges arise for early-career researchers to find a job at a suitable institution. This study aims to understand the behavior of academic job…

Social and Information Networks · Computer Science 2022-02-17 Xiangtai Chen , Tao Tang , Jing Ren , Ivan Lee , Honglong Chen , Feng Xia

Analyzing, understanding, and describing human behavior is advantageous in different settings, such as web browsing or traffic navigation. Understanding human behavior naturally helps to improve and optimize the underlying infrastructure or…

Machine Learning · Computer Science 2024-01-09 Tobias Koopmann , Jan Pfister , André Markus , Astrid Carolus , Carolin Wienrich , Andreas Hotho

Explainable recommendations help improve the transparency and credibility of recommendation systems, and play an important role in personalized recommendation scenarios. At present, methods for explainable recommendation based on large…

Information Retrieval · Computer Science 2026-04-07 Xiangchen Pan , Wei Wei

Service providers employ different transport technologies like PDH, SDH/SONET, OTN, DWDM, Ethernet, MPLS-TP etc. to support different types of traffic and service requirements. Dynamic service provisioning requires the use of on-line…

Networking and Internet Architecture · Computer Science 2019-01-08 Madanagopal Ramachandran , Krishna M. Sivalingam

The brain's Path Integration (PI) mechanism offers substantial guidance and inspiration for Brain-Inspired Navigation (BIN). However, the PI capability constructed by the Continuous Attractor Neural Networks (CANNs) in most existing BIN…

Machine Learning · Computer Science 2026-04-13 Zhangyu Ge , Xu He , Lingfei Mo , Xiaolin Meng , Wenxuan Yin , Youdong Zhang , Lansong Jiang , Fengyuan Liu

In this paper, the efficient hinging hyperplanes (EHH) neural network is proposed based on the model of hinging hyperplanes (HH). The EHH neural network is a distributed representation, the training of which involves solving several convex…

Systems and Control · Computer Science 2019-11-28 Jun Xu , Qinghua Tao , Zhen Li , Xiangming Xi , Johan A. K. Suykens , Shuning Wang