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This project proposes a novel query by combining spatial and quality attributes together meaningfully. Spatial data analysts are interested in combining both distance and dominance comparison to find results satisfying their specific applications, Spatial objects (e.g., hotels, land) in reality are associated with multiple quality attributes (e.g., price, star), in addition to their spatial locations. Traditional spatial queries and joins (e.g., nearest neighbour, closest pair) focus on manipulating only spatial locations and distances. While searching and manipulating the spatial object, it is very difficult to receive the accurate spatial object. In the existing system, it provides huge amount of spatial object using Skyline Query.
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