1. A method comprising: determining, via a computing device, that a non-unique username contains insufficient information to identify a first real-world entity (RWE), the non-unique username being associated with an information object (IO); retrieving, via the computing device, data associated with the IO, the IO being associated with the first RWE, wherein retrieving data associated with the IO comprises: retrieving at least one of social data, spatial data, temporal data and logical data associated with the IO; and retrieving information identifying a second RWE associated with the IO; generating, via the computing device, a probability for each of a plurality of RWEs including the first RWE and second RWE based on the data associated with the IO and data associated with the RWEs; and selecting, via the computing device based on the generated probabilities, the first RWE as the RWE identified by the non-unique username, wherein said selection based upon a determination from the information that the non-unique username does not identify the second RWE.