A computer-implemented method for performing a data analysis task having an associated analysis context comprises defining the analysis context associated with the data analysis task, receiving a plurality of data items exchanged over a communication network, wherein the plurality of data items comprise a first data item type and a second data item type that is different from the first data item type, processing the data items with a set of prioritization rules to generate relevance scores that quantify a relevance of the data items to the analysis context, wherein the relevance scores are assigned according to a common scale, and generating a prioritization of the data items based on the relevance scores.