Media type: E-Article Title: Middleware 2004: Guiding Queries to Information Sources with InfoBeacons Contributor: Cooper, Brian F. imprint: Springer Berlin Heidelberg, 2004 Published in: Middleware 2004 Language: Not determined DOI: 10.1007/978-3-540-30229-2_4 ISSN: 0302-9743; 1611-3349 Origination: Footnote: