Merge pull request #22 from shapelets/fix/documentation

Stomp paper added

Author: dcuestam

src/main/java/io/shapelets/khiva/Matrix.java

@@ -26,6 +26,10 @@ public class Matrix extends Library {
      * STOMP algorithm to calculate the matrix profile between 'arrA' and 'arrB' using a subsequence length
      * of 'm'.
      *
+     * (1) Yan Zhu, Zachary Zimmerman, Nader Shakibay Senobari, Chin-Chia Michael Yeh, Gareth Funning, Abdullah Mueen,
+     * Philip Brisk and Eamonn Keogh (2016). Matrix Profile II: Exploiting a Novel Algorithm and GPUs to break
+     * the one Hundred Million Barrier for Time Series Motifs and Joins. IEEE ICDM 2016.
+     *
      * @param arrA Array containing the input time series.
      * @param arrB Array containing the input time series.
      * @param m    Long with the subsequence length.
@@ -44,6 +48,10 @@ public static Array[] stomp(Array arrA, Array arrB, long m) {
      * STOMP algorithm to calculate the matrix profile between 't' and itself using a subsequence length
      * of 'm'. This method filters the trivial matches.
      *
+     * (1) Yan Zhu, Zachary Zimmerman, Nader Shakibay Senobari, Chin-Chia Michael Yeh, Gareth Funning, Abdullah Mueen,
+     * Philip Brisk and Eamonn Keogh (2016). Matrix Profile II: Exploiting a Novel Algorithm and GPUs to break
+     * the one Hundred Million Barrier for Time Series Motifs and Joins. IEEE ICDM 2016.
+     *
      * @param arr Array containing the input time series.
      * @param m   Long with the subsequence length.
      * @return Array of arrays with the Matrix profile and index.