TY - JOUR AU - Phu, Vo Ngoc AU - Ngoc Tran, Vo Thi PY - 2018 TI - A Reformed K-Nearest Neighbors Algorithm for Big Data Sets JF - Journal of Computer Science VL - 14 IS - 9 DO - 10.3844/jcssp.2018.1213.1225 UR - https://thescipub.com/abstract/jcssp.2018.1213.1225 AB - A Data Mining Has Already Had Many Algorithms Which A K-Nearest Neighbors Algorithm, K-NN, Is A Famous Algorithm For Researchers. K-NN Is Very Effective On Small Data Sets, However It Takes A Lot Of Time To Run On Big Datasets. Today, Data Sets Often Have Millions Of Data Records, Hence, It Is Difficult To Implement K-NN On Big Data. In This Research, We Propose An Improvement To K-NN To Process Big Datasets In A Shortened Execution Time. The Reformed K-Nearest Neighbors Algorithm (R-K-NN) Can Be Implemented On Large Datasets With Millions Or Even Billions Of Data Records. R-K-NN Is Tested On A Data Set With 500,000 Records. The Execution Time Of R-K-NN Is Much Shorter Than That Of K-NN. In Addition, R-K-NN Is Implemented In A Parallel Network System With Hadoop Map (M) And Hadoop Reduce (R).