TY - GEN ID - eprints33647 UR - http://eprints.rclis.org/3647/ A1 - Sánchez Herrador, Miguel Ángel A1 - Boza Puerta, Mariano A1 - Márquez Muñoz, Antonio T. Y1 - 2005/// N2 - Since the appearance of the site was that the defendant OPAC fits-all innovations that have emerged. These demands have ranged from the interface to the provision of scanned documents or greater interaction with the user. In this paper we analyze the present and future profits, and suggests a classification of the same. It also explores his relationship with the portal-site of the library, as well as statutory limitations for the development of services. KW - OPAC KW - Web KW - estudios de usuarios KW - acceso a la información TI - El OPAC con valor añadido: 4o utilidades para los usuarios de los catálogos automatizados SP - 1 AV - public EP - 6 ER -