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cs.DB2025
GTRSS: Graph-based Top- Representative Similar Subtrajectory Query
Mingchang Ge, Liping Wang, Xuemin Lin +2
Trajectory mining has attracted significant attention. This paper addresses the Top-k Representative Similar Subtrajectory Query (TRSSQ) problem, which aims to find the k most repr…
cs.DB2024
Simpler is More: Efficient Top-K Nearest Neighbors Search on Large Road Networks
Yiqi Wang, Long Yuan, Wenjie Zhang +3
Top-k Nearest Neighbors (kNN) problem on road network has numerous applications on location-based services. As direct search using the Dijkstra's algorithm results in a large searc…
cs.DB2023
GPUSCAN:Efficient Structural Graph Clustering on GPUs
Long Yuan, Zeyu Zhou, Xuemin Lin +3
Structural clustering is one of the most popular graph clustering methods, which has achieved great performance improvement by utilizing GPUs. Even though, the state-of-the-art GPU…