26. The apparatus of claim 20, wherein the user station further comprises a memory device, storing executables, and a processor for executing the executables, the executables further comprising: a query generator for generating query data effective to identify the document; a query resolver for comparing data pointed to by the document location object with the query data.
27. The apparatus of claim 26, wherein the query resolver further comprises a similarity resolver for identifying a similar document having a similarity to the document.