6. A computer program product comprising a computer readable storage medium having program instructions embodied therewith, the program instructions executable by a processor to cause the computer processor to perform: creating a profile for a user from user account data and a user activity log; searching an indexed repository for keywords matching elements from the user account data and the user activity log; retrieving documents from the indexed repository that are identified based on the searching; creating a custom portal for the user that includes the documents; in response to determining the user has not opened a document in the custom portal within a threshold period of time, automatically removing the document from the custom portal for the user; monitoring activity conducted by the user at the custom portal; in response to determining that the user has opened documents in the custom portal that share a common set of tags, prioritizing the listing of each of the documents in the custom portal based on the common set of tags; and comparing a listing of documents in the custom portal of the user to determine whether the custom portal of the user contains a minimum number of documents that are in common with another portal.
8. The computer program product of claim 6 , wherein the program instructions executable by the processor further cause the computer processor to perform: monitoring changes in the user account data and ongoing activities from the user activity log; and updating the custom portal for the user based on updated keyword searching responsive to the changes to the user account data and the ongoing activities.