Zhangyang Peng

ORCID: 0009-0002-5383-9750
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About
Contact & Profiles
Research Areas
  • Recommender Systems and Techniques
  • Energy Load and Power Forecasting
  • Advanced Graph Neural Networks
  • Graph Theory and Algorithms
  • Photovoltaic System Optimization Techniques
  • Complex Network Analysis Techniques
  • Advanced Image and Video Retrieval Techniques
  • Solar Radiation and Photovoltaics
  • Data Management and Algorithms

Hangzhou Dianzi University
2024-2025

Fuzhou University
2018

Community search on attributed graphs (CSAG) is a fundamental topic in graph data mining. Given an G and query node q , CSAG seeks structural- attribute-cohesive subgraph from that contains . Exact methods based traversal are time-consuming, especially for large graphs. Approximate improve efficiency by pruning the space with heuristics but still take hundreds of milliseconds to tens seconds respond, hindering their use time-sensitive applications. Moreover, strategies typically tailored...

10.1145/3709672 article EN Proceedings of the ACM on Management of Data 2025-02-10

High-dimensional vector similarity search (HVSS) is gaining prominence as a powerful tool for various data science and AI applications. As scales up, in-memory indexes pose significant challenge due to the substantial increase in main memory requirements. A potential solution involves leveraging disk-based implementation, which stores searches on high-performance devices like NVMe SSDs. However, implementing HVSS segments proves be intricate databases where single machine comprises multiple...

10.1145/3639269 article EN Proceedings of the ACM on Management of Data 2024-03-12

With the rapid development of social economy, vigorously developing solar energy has become a powerful means to solve and environmental problems. However, instability weather condition makes output PV power have strong randomness, fluctuations intermittence. Thus accurate photovoltaic (PV) forecast eliminates negative impacts grid connection generation systems, which are very meaningful for effectively integrating systems into grid. The paper presents Simulate Anneal Genetic Algorithm...

10.1088/1755-1315/188/1/012079 article EN IOP Conference Series Earth and Environmental Science 2018-10-30
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