Analysis on Port and Maritime Transport System Researches

Table 10

The top 60 research terms.

Word	TF-IDF	Word	TF-IDF
port	201.99	management	58.21
container	171.73	simulation	57.80
terminal	130.71	supply	57.59
shipping	121.37	dynamic	56.89
ship	120.68	liner	56.88
cost	100.25	company	56.76
transport	97.69	logistics	56.56
control	92.95	cargo	56.49
network	90.09	factor	56.44
service	86.66	impact	56.28
algorithm	85.17	route	55.70
maritime	82.58	rate	55.62
vessel	77.78	planning	55.03
market	75.80	development	54.87
transportation	74.55	optimization	54.57
risk	73.53	safety	54.32
freight	72.68	yard	54.17
approach	72.35	truck	53.48
operation	71.54	price	52.32
optimal	70.83	trade	52.11
data	67.46	traffic	51.59
efficiency	64.82	heuristic	51.58
crane	64.69	marine	51.10
scheduling	63.60	capacity	51.04
process	63.14	level	50.22
policy	61.66	economic	50.06
strategy	60.64	flow	48.94
emission	59.64	sea	48.66
chain	59.52	condition	47.73
industry	58.51	function	47.45