1. A method for classification of objects for retrieval from a database, the method comprising: classifying an object by designating one or more terms for the object; saving the one or more terms in association with an address for the object in a user index, the user index being in a local environment of the user; and promoting the one or more terms for the object from the user index to a global index if the one or more terms meet a predefined set of rules, the global index being accessible by multiple users.