• SliceNBound: Solving closest pairs and distance join queries in apache spark 

      Mavrommatis G., Moutafis P., Vassilakopoulos M., García-García F., Corral A. (2017)
      The (K) Closest-Pair(s) Query, KCPQ, consists in finding the (K) closest pair(s) of objects between two spatial datasets. Recently, several systems that enhance Apache Spark with spatial-awareness have been presented, ...