Embodiments of the present invention improve information exchange, and in particular, the exchange of data objects between different software systems. In one embodiment, the present invention includes a method of exchanging information comprising analyzing the attributes of the objects. Objects may be stored in a repository and retrieved using attributes. In some applications, objects are received and sent to participants without accessing any information in the objects themselves. Different applications include object warehousing operable across different communication mediums that support different names or name spaces, classes, aliases, groups, geospatial information, or tokens, or combinations thereof.