A method comprises collecting context information for a presentation using a set of monitoring devices stationed in the presentation environment where the presentation is performed; determining, based on the context information for the presentation, a subject matter group for the presentation; and generating a set of access rules for a set of network devices based on the context information for the presentation. The method further comprises identifying, based on the subject matter group, a first set of resources relevant to the subject matter group; and restricting access to resources not included in the first set of resources during performance of the presentation based on the set of access rules.