add "Enhancing SPARQL Query Generation for Knowledge Base Question Answering Systems by Learning to Correct Triplets"

[xixi019]

https://scholar.google.com/scholar_url?url=https://www.mdpi.com/2076-3417/14/4/1521/pdf&hl=en&sa=X&d=8930633544502922803&ei=1JHPZcGFILCH6rQPgome8AY&scisig=AFWwaeZUWJt7-kxpR3jMxv-zfyEq&oi=scholaralrt&hist=mq7OgvUAAAAJ:1568112433503825734:AFWwaeYyuxG_JuWZt5bRcw5FXb9j&html=&pos=0&folt=kw

[debayan]

Solved by d826fbbf8b341d511771cf5058acea73dec1821d