A dual-layer graph index with a custom subtrajectory similarity metric is proposed to accelerate top-k representative similar subtrajectory queries, with claimed speedups and roughly 90% retrieval accuracy.
Robust and fast sim- ilarity search for moving object trajectories,
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GTRSS: Graph-based Top-$k$ Representative Similar Subtrajectory Query
A dual-layer graph index with a custom subtrajectory similarity metric is proposed to accelerate top-k representative similar subtrajectory queries, with claimed speedups and roughly 90% retrieval accuracy.