1. A method, executable by a processor, for visualization of implicit relationships in a trace query for model driven development (MDD), the method comprising: issuing a model query in an MDD tool to search a model for artifacts associated with the query; retrieving in response to the model query an implicit relationship between a participant and a collaboration within at least one of a requirements document for the model, the model and source code produced from the model; generating a trace link for the implicit relationship; and, displaying the trace link in a trace query diagram for the MDD tool.