title: Integrating legacy systems: the information broker.
authors.affiliation: US Department of Transportation, Volpe National Transportation Systems, Cambridge, MA 02142, USA.
authors.forename: J M
authors.initials: JM
authors.lastname: Krumm
authors.forename: J
authors.initials: J
authors.lastname: Sabin
authors.forename: D
authors.initials: D
authors.lastname: Clark
mesh_terms: D003195:Computer Communication Networks; D003628:Database Management Systems; D019992:Databases as Topic; D006801:Humans; D016247:Information Storage and Retrieval; D018511:Systems Integration; D014584:User-Computer Interface