2. The method of claim 1 , wherein the operations comprise: receiving a search query having the token for data in the database from a requester; and returning a result of the search to the requester.
2. The method of claim 1 , wherein the operations comprise: receiving a search query having the token for data in the database from a requester; and returning a result of the search to the requester. 3. The method of claim 2 , wherein the operations comprise: returning the expanded search query to the requester; and receiving an approval of the expanded search query from the requester, prior to performing the search using the expanded search query.