id	keyword
bracis-19053	portfolio
bracis-19053	stock
bracis-19053	risk
bracis-19053	network
bracis-19053	return
bracis-19053	algorithm
bracis-19053	asset
bracis-19053	scholar
bracis-19053	google
bracis-19053	value
bracis-19053	performance
bracis-19053	\(\lambda
bracis-19053	results