1. A computing system, comprising: at least one processor; and memory storing instructions executable by the at least one processor, wherein the instructions, when executed, configure the computing system to provide: a context identification system configured to detect a plurality of different sensor inputs, indicative of a plurality of different items of context, from a plurality of different sources of context; a cross-source search component configured to detect a trigger input and search a plurality of different content sources, to identify a set of documents, based on the trigger input; a relevancy generator configured to generate a relevancy metric corresponding to each document in the identified set of documents, based on the plurality of different items of context; and a user interface component configured to generate a user interface display that selectively displays the documents in the set of documents based on the corresponding relevancy metric.