Looking on the internet deeply has found these results:

the role of nodes is the most popular phrase on the web.

the roles of nodes 1148,000 results on the web	the role of nodes 1530,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Underlines the role of players in combating football hooliganism. setting regulations. The role of complacent husband I find distasteful. Reduces the role of the Safety Coordinator significantly. setting regulations. Since the financial and administrative resources of the programme are limited, not all such nodes would necessarily receive funding, which might have to be concentrated on a reinforced role for the coordinating node in those areas. Establishes the role of the policy Establishes the role of the policy	setting regulations. Underlines the role of players in combating football hooliganism. Reduces the role of the Safety Coordinator significantly. Establishes the role of the policy The role of complacent husband I find distasteful. Establishes the role of the policy setting regulations. Since the financial and administrative resources of the programme are limited, not all such nodes would necessarily receive funding, which might have to be concentrated on a reinforced role for the coordinating node in those areas.

the roles of nodes

1148,000 results on the web

the role of nodes

1530,000 results on the web

More popular!

Underlines the role of players in combating football hooliganism.
setting regulations.
The role of complacent husband I find distasteful.
Reduces the role of the Safety Coordinator significantly.
setting regulations.
Since the financial and administrative resources of the programme are limited, not all such nodes would necessarily receive funding, which might have to be concentrated on a reinforced role for the coordinating node in those areas.
Establishes the role of the policy
Establishes the role of the policy

setting regulations.
Underlines the role of players in combating football hooliganism.
Reduces the role of the Safety Coordinator significantly.
Establishes the role of the policy
The role of complacent husband I find distasteful.
Establishes the role of the policy
setting regulations.
Since the financial and administrative resources of the programme are limited, not all such nodes would necessarily receive funding, which might have to be concentrated on a reinforced role for the coordinating node in those areas.