?url_ver=Z39.88-2004&rft_id=10.21817%2Findjcse%2F2020%2Fv11i5%2F201105244&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Dafaallah%2C+D.E.&rft.aulast=Dafaallah&rft.aufirst=D.E.&rft.title=Indian+Journal+of+Computer+Science+and+Engineering&rft.date=2020&rft.issue=5&rft.volume=11&rft.issn=09765166&rft.pages=640-645&rft.atitle=Sentiment+analysis+techniques+to+analyze+hse+situational+awareness+at+oil+and+gas+platforms+using+machine+learning&rft.genre=article