Update README.md

README.md

@@ -10,8 +10,12 @@ Here are other additional resources (all of which are written in Japanese).
 * https://note.com/tomo161382/n/n936f43e4147b
 * https://note.com/tomo161382/n/nf627c74ceb72
 * https://note.com/tomo161382/n/nf4e87191a7ee
+* https://note.com/tomo161382/n/ncbd459c3997c
+* https://note.com/tomo161382/n/n0c4e276b5958
+* https://note.com/tomo161382/n/n4597114e750f
 
 Model versions
 * v1 : part 3 (trained on 30,000 data) of trial v1
 * v2 : part 5 (trained on about 50,000 data) of trial v9
-* v3 : part 3 (trained on about 30,000 data) of trial v35
+* v3 : part 3 (trained on about 30,000 data) of trial v35
+* v4 : ensemble of 4 models (trainied on about 50,000 data) from trial v47.