The phrase "act as a head" is correct and usable in written English.
It can be used in contexts where someone or something is taking on a leadership or guiding role.
Example: "In this project, I will act as a head to ensure that all team members are aligned with our goals."
Alternatives: "serve as a leader" or "function as a head".
She acts as a head instructor of the summer Proteomics Course at Cold Spring Harbor Laboratory, having taught there since 2006.
Traditionally Mrs. Obama's choice of outfit acts as a head nod to the country being celebrated.
The power of older, largely change-resistant rural voters acts as a head wind as prime minister Shinzo Abe ponders ways to revive Japan's economy and clear its enormous government debt.
Clustering is not without its problems: a node that cannot act as a cluster head and is not near to a cluster head becomes void, as shown in Figure 1a; and the cluster heads consume much more energy than the other nodes, leading to an imbalance across the network.
In OSCA, cluster head is responsible for resources sharing node for all members in a cluster, cluster gateway node is responsible for intercluster communication, and backup node can act as a cluster head for a cluster in absence of actual cluster head to avoid clustering overhead and extra message communication within the cluster.
Instead of making you look away from your patient, the device acts as a heads up display and gives you greatly enhanced perception.
As the sponsor of Luxalpha and Groupement Financier, UBS agreed to "act as a figure head to third parties" in regard to the funds, according to an indemnity agreement between Access International and UBS in 2004.
These nodes act as a cluster head which communicate with the base station.
In addition, besides being a member in a cluster, a node may act as a cluster head in a down layer cluster, for example, in the figure.
Trigger detection is thus the task of identifying those individual words in the sentence that act as a trigger head word.
