From 66119f03ce80228a822cd48cb1adb7c913724987 Mon Sep 17 00:00:00 2001
From: jajupmochi <jajupmochi@gmail.com>
Date: Sat, 11 Apr 2020 13:04:42 +0200
Subject: [PATCH] Update references.

---
 gklearn/kernels/shortest_path.py | 5 +++++
 gklearn/kernels/structural_sp.py | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/gklearn/kernels/shortest_path.py b/gklearn/kernels/shortest_path.py
index eabe0a8..c11c2e5 100644
--- a/gklearn/kernels/shortest_path.py
+++ b/gklearn/kernels/shortest_path.py
@@ -4,6 +4,11 @@
 Created on Tue Apr  7 15:24:58 2020
 
 @author: ljia
+
+@references: 
+    
+    [1] Borgwardt KM, Kriegel HP. Shortest-path kernels on graphs. InData 
+    Mining, Fifth IEEE International Conference on 2005 Nov 27 (pp. 8-pp). IEEE.
 """
 
 import sys
diff --git a/gklearn/kernels/structural_sp.py b/gklearn/kernels/structural_sp.py
index 9f10b39..4b9fb26 100644
--- a/gklearn/kernels/structural_sp.py
+++ b/gklearn/kernels/structural_sp.py
@@ -4,6 +4,11 @@
 Created on Mon Mar 30 11:59:57 2020
 
 @author: ljia
+
+@references: 
+
+    [1] Suard F, Rakotomamonjy A, Bensrhair A. Kernel on Bag of Paths For 
+    Measuring Similarity of Shapes. InESANN 2007 Apr 25 (pp. 355-360).
 """
 import sys
 from itertools import product