12. The system of claim 11 , wherein in determining that the term is a vague term, one or more of the processors are to: identify multiple entities that are associated with the vague term in a database.
12. The system of claim 11 , wherein in determining that the term is a vague term, one or more of the processors are to: identify multiple entities that are associated with the vague term in a database. 13. The system of claim 12 , wherein in using the user-restricted content associated with the first additional user to determine the additional information that is related to the vague term, one or more of the processors are to: select a subset of the multiple entities based on the user-restricted content; and determine the additional information based on the selected subset.