1. A method for identifying a relevant conversation, comprising: identifying a conversation graph comprising identifiers of a plurality of messages posted by a plurality of authoring accounts; identifying a plurality of relevance scores, wherein each of the plurality of relevance scores corresponds to an authoring account of the plurality of authoring accounts; applying, by a computer processor, a first relevance filter to the conversation graph in order to modify the plurality of relevance scores; applying, by the computer processor and after applying the first relevance filter, a second relevance filter to the conversation graph in order to further modify the plurality of relevance scores; selecting, based on the plurality of relevance scores and after applying the second relevance filter, a subset of messages of the conversation graph for inclusion in the relevant conversation; and providing at least a portion of the relevant conversation to a client device.