Due to wireless communication technologies, positioning technologies and mobile computing develop quickly, mobile services are becoming practical and important on big spatiotemporal databases ...

Spatial keyword query techniques combine spatial and textual dimensions to retrieve location-aware information. They have evolved from simple spatial filtering paired with inverted lists to integrated ...

Spatial processing by receptive fields is a core property of the visual system. However, it is unknown how spatial processing in high-level regions contributes to recognition behavior. As face ...