TY - JOUR AU - García de Figuerola Paniagua, Luis Carlos AU - Zazo Rodríguez, Ángel Francisco AU - Alonso Berrocal, José Luis AU - Rodríguez Vázquez de Aldana, Emilio PY - 2004 UR - http://hdl.handle.net/10366/56167 UR - http://hdl.handle.net/10366/56167 AB - The Question Answering Task requires interaction with the user. Users can provide aid to the system reformulating questions, adding information to these or selecting the documents with which it must operate. This year our group has explored the... LA - Inglés KW - Recuperación de la información KW - Usuarios KW - Interacción con el sistema KW - Information retrieval KW - Users KW - Interaction with system TI - REINA at the iCLEF 2004 ER -