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cs.DB2025
Random Sampling over Spatial Range Joins
Daichi Amagata
Spatial range joins have many applications, including geographic information systems, location-based social networking services, neuroscience, and visualization. However, joins inc…
cs.DB2025
Approximate Reverse -Ranks Queries in High Dimensions
Daichi Amagata, Kazuyoshi Aoyama, Keito Kido +1
Many objects are represented as high-dimensional vectors nowadays. In this setting, the relevance between two objects (vectors) is usually evaluated by their inner product. Recentl…
cs.DB2025
How to Mine Potentially Popular Items? A Reverse MIPS-based Approach
Daichi Amagata, Kazuyoshi Aoayama, Keito Kido +1
The -MIPS ( Maximum Inner Product Search) problem has been employed in many fields. Recently, its reverse version, the reverse -MIPS problem, has been proposed. Given an i…