Search Results for author: Xixi Wu

Found 10 papers, 6 papers with code

DTFormer: A Transformer-Based Method for Discrete-Time Dynamic Graph Representation Learning

no code implementations26 Jul 2024 Xi Chen, Yun Xiong, Siwei Zhang, Jiawei Zhang, Yao Zhang, Shiyang Zhou, Xixi Wu, Mingyang Zhang, Tengfei Liu, Weiqiang Wang

Discrete-Time Dynamic Graphs (DTDGs), which are prevalent in real-world implementations and notable for their ease of data acquisition, have garnered considerable attention from both academic researchers and industry practitioners.

Graph Representation Learning

Towards Adaptive Neighborhood for Advancing Temporal Interaction Graph Modeling

no code implementations14 Jun 2024 Siwei Zhang, Xi Chen, Yun Xiong, Xixi Wu, Yao Zhang, Yongrui Fu, Yinglong Zhao, Jiawei Zhang

These works can generate temporal node representations by encoding the surrounding neighborhoods for the target node.

Beyond the Known: Novel Class Discovery for Open-world Graph Learning

no code implementations29 Mar 2024 Yucheng Jin, Yun Xiong, Juncheng Fang, Xixi Wu, Dongxiao He, Xing Jia, Bingchen Zhao, Philip Yu

Inter-class correlations are subsequently eliminated by the prototypical attention network, leading to distinctive representations for different classes.

Graph Learning Graph Neural Network +2

Prompt Learning on Temporal Interaction Graphs

1 code implementation9 Feb 2024 Xi Chen, Siwei Zhang, Yun Xiong, Xixi Wu, Jiawei Zhang, Xiangguo Sun, Yao Zhang, Feng Zhao, Yulin kang

In detail, we propose a temporal prompt generator to offer temporally-aware prompts for different tasks.

Representation Learning

Graph Prompt Learning: A Comprehensive Survey and Beyond

2 code implementations28 Nov 2023 Xiangguo Sun, Jiawen Zhang, Xixi Wu, Hong Cheng, Yun Xiong, Jia Li

This paper presents a pioneering survey on the emerging domain of graph prompts in AGI, addressing key challenges and opportunities in harnessing graph data for AGI applications.

Survey

iLoRE: Dynamic Graph Representation with Instant Long-term Modeling and Re-occurrence Preservation

no code implementations5 Sep 2023 Siwei Zhang, Yun Xiong, Yao Zhang, Xixi Wu, Yiheng Sun, Jiawei Zhang

To overcome the indiscriminate updating issue, we introduce the Adaptive Short-term Updater module that will automatically discard the useless or noisy edges, ensuring iLoRE's effectiveness and instant ability.

Fraud Detection Representation Learning

Dual Intents Graph Modeling for User-centric Group Discovery

1 code implementation9 Aug 2023 Xixi Wu, Yun Xiong, Yao Zhang, Yizhu Jiao, Jiawei Zhang

Therefore, user-centric group discovery task, i. e., recommending groups to users can help both users' online experiences and platforms' long-term developments.

Representation Learning Self-Supervised Learning

ConsRec: Learning Consensus Behind Interactions for Group Recommendation

1 code implementation7 Feb 2023 Xixi Wu, Yun Xiong, Yao Zhang, Yizhu Jiao, Jiawei Zhang, Yangyong Zhu, Philip S. Yu

Since group activities have become very common in daily life, there is an urgent demand for generating recommendations for a group of users, referred to as group recommendation task.

MULTI-VIEW LEARNING

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