TY - GEN AU - Moutafis, Panagiotis AU - Mavrommatis, George AU - Vassilakopoulos, Michael AU - Corral Liria, Antonio Leopoldo PY - 2021 SN - 2220-9964 UR - http://hdl.handle.net/10835/13072 AB - Aiming at the problem of spatial query processing in distributed computing systems, the design and implementation of new distributed spatial query algorithms is a current challenge. Apache Spark is a memory-based framework suitable for real-time and... LA - en PB - MDPI KW - big spatial data KW - spatial query processing KW - group nearest-neighbor query KW - Apache Spark KW - spatial query evaluation TI - Efficient Group K Nearest-Neighbor Spatial Query Processing in Apache Spark DO - 10.3390/ijgi10110763 ER -