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ATTI: Workload-Aware Query Adaptive OcTree Based Trajectory Index

Xiangxu MENG, Xiaodong WANG, Xinye LIN
2013 IEICE transactions on information and systems  
This paper proposes workload-aware Adaptive OcTree based Trajectory clustering Index (ATTI) aiming at optimizing trajectory storage and index performance. The contributions are three-folds.  ...  based on GPS update workload; Third, the query workload adaptive mechanism is proposed based on virtual OcTree forest.  ...  Query Adaptive Virtual Forest Impact of Query Size to Index Workload-aware OcTree can dynamically adjust its structure according to the changing of workload.  ... 
doi:10.1587/transinf.e96.d.643 fatcat:4a6jqwd64beatbvpg4ucpexq7q