1. A method comprising: receiving a selected entity on a network-based transaction system; determining, based on a relationship score associated with each entity, a plurality of entities related to the selected entity, the relationship score representing navigation transition, aggregated over time, between the selected entity and each of the plurality of entities; determining, based on probabilities, a plurality of most probable entities from the plurality of entities related to the selected entity; calculating a relevance score for each of the plurality of most probable entities; and displaying a subset of the plurality of most probable entities, the subset of the plurality of most probable entities determined according to the relevance score for each of the plurality of most probable entities.