1. A method comprising, in response to receiving first data that describes a network resource, determining a section of a plurality of sections included in the network resource; determining a section context token that indicates a probability in the section of a topic from a context vocabulary; causing, at least in part, actions that result in storing second data that indicates the section in association with the section context token; receiving via a network a message that comprises data that indicates a context for a particular consumer; determining whether the context for the particular consumer is close to the section context token; and determining to transmit via the network data identifying the section of the network resource, if the context for the particular consumer is determined to be close to the section context token and if content of at least one of the section and the network resource is determined to be close to preference of the particular consumer, wherein the context vocabulary includes concepts describing temporal, spatial, environmental or activity circumstances of consumers.