Frequency of keywords in paper titles from KDD'19. 


network     242
graph       170
edge         49
knowledge    39
discover     37
rank         32
?            14
subgraph     12
explor       10
'Can '        7

Frequency of keywords in paper titles from ICDE'20 first round. 


network         49
graph           41
Deep            20
edge            18
knowledge       14
rank            11
neural network   7
discover         6
subgraph         6
quality          6
explor           5
exploration      3
pagerank         1

Frequency of keywords in paper titles from ICDE'20 second round. 


graph           70
network         54
edge            29
knowledge       24
Deep            18
discover        12
neural network   9
rank             8
subgraph         3
quality          2
exploration      3
exploration      2
pagerank         0