id	keyword
alkej-921	risk
alkej-921	severity
alkej-921	likelihood
alkej-921	assessment
alkej-921	matrix
alkej-921	vol
alkej-921	engineering
alkej-921	table
alkej-921	system
alkej-921	score
alkej-921	khwarizmi
alkej-921	process
alkej-921	approach
alkej-921	journal