1. A method, comprising: executing machine-readable instructions by a special purpose computing apparatus to: generate one or more digital signals representing a query at least partially in response to an article being accessed by a user; and obtain one or more digital signals representing one or more predictions comprising one or more sentence portions having one or more references to one or more future dates based at least in part on a comparison of the one or more digital signals representing the query with one or more digital signals representing a prediction index.