1. A computer system comprising: at least one processor; a memory coupled to the at least one processor, wherein the at least one processor is configured to: collect context information for a presentation from a set of monitoring devices stationed in a presentation environment where the presentation is performed; determine, based on the context information for the presentation, a subject matter group for the presentation; generate a set of access rules for a set of network devices in the presentation environment based on the context information for the presentation; and identify, based on the subject matter group, a first set of resources relevant to the subject matter group; and restrict access of the set of network devices to resources not included in the first set of resources during performance of the presentation based on the set of access rules.