In some embodiments, the historical data record 300 may include any suitable number of identifiers corresponding to content presented at the user device. For example, the historical data record 300 may include identifiers of content presented at the user device. Column 306 depicts this data. In some embodiments, the content identifiers for content presented in response to a particular instance of user input may be identified. By way of example, column 302 may indicate a user input of “play songs by artist A” and content identifiers 308 may include content identifiers for songs A, B, C, and D, each of which were played in response to the command “play songs by artist A.” In some embodiments, the historical data record 300 may otherwise maintain an association between a user's input and one or more operations (e.g., playback of content instances) that occurred due to processing the user's input. As depicted in