?url_ver=Z39.88-2004&rft_id=10.1109%2FACCESS.2018.2875135&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Aman&rft.au=Aman%2C+M.&rft.aufirst=M.&rft.atitle=Key+concept+identification%3A+A+sentence+parse+tree-based+technique+for+candidate+feature+extraction+from+unstructured+texts&rft.pages=60403-60413&rft.volume=6&rft.title=IEEE+Access&rft.issn=21693536&rft.date=2018&rft.genre=article