Update with paper link
Update with paper link


Former-commit-id: 9435e382d62279663d8e51f976212cef017ccae7
clab/dynet,chunyang-wen/dynet,chunyang-wen/dynet,danielhers/dynet,xunzhang/dynet,danielhers/dynet,xunzhang/dynet,clab/dynet,clab/dynet,clab/dynet,shuheik/dynet,clab/cnn,clab/dynet,shuheik/dynet,clab/cnn,clab/dynet,shuheik/dynet,shuheik/dynet,chunyang-wen/dynet,chunyang-wen/dynet,clab/cnn,danielhers/dynet,shuheik/dynet,xunzhang/dynet,danielhers/dynet,xunzhang/dynet,danielhers/dynet,danielhers/dynet,shuheik/dynet,shuheik/dynet,danielhers/dynet,clab/dynet