Spatial Queries in the Presence of Obstacles

• Main Authors: ZHANG, Jun, PAPADIAS, Dimitris, MOURATIDIS, Kyriakos, ZHU, Manli
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2004
• Subjects: Databases and Information Systems; Numerical Analysis and Scientific Computing
• Online Access: https://ink.library.smu.edu.sg/sis_research/881; https://ink.library.smu.edu.sg/context/sis_research/article/1880/viewcontent/EDBT04_SODB.pdf
• Institution: Singapore Management University

Despite the existence of obstacles in many database applications, traditional spatial query processing utilizes the Euclidean distance metric assuming that points in space are directly reachable. In this paper, we study spatial queries in the presence of obstacles, where the obstructed distance betw...