diff --git a/Source Packages/servlet/autorSV.java b/Source Packages/servlet/autorSV.java
index 602cf45c44b92359284c485b60671b20dc96d45e..9c9102965fba7c1d88bcb6299f7092112bcb6731 100644
--- a/Source Packages/servlet/autorSV.java	
+++ b/Source Packages/servlet/autorSV.java	
@@ -47,7 +47,7 @@ public class autorSV extends HttpServlet {
             RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
             dispatcher.forward(request, response);
         }else{
-            String nombre = (String) session.getAttribute("usuario");
+            String nombre = (String) request.getParameter("nombre");
 
             Usuario usuario = usuarioDB.getUsuario(nombre);
 
diff --git a/Source Packages/servlet/borrarArchivoSV.java b/Source Packages/servlet/borrarArchivoSV.java
index d7556ee093132abb63f6cc435801c946a3a515a1..deef3a3e2d5d498712a0c39d4d38a10ff86715d1 100644
--- a/Source Packages/servlet/borrarArchivoSV.java	
+++ b/Source Packages/servlet/borrarArchivoSV.java	
@@ -40,7 +40,6 @@ public class borrarArchivoSV extends HttpServlet {
             RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
             dispatcher.forward(request, response);
         }else{
-            String userName = (String) session.getAttribute("usuario");
 
             String nombre = request.getParameter("nombre");
             int idNook = Integer.parseInt(request.getParameter("idNook"));
diff --git a/Source Packages/servlet/borrarComentarioSV.java b/Source Packages/servlet/borrarComentarioSV.java
index 3d51741b22e0cd292036088d86127ba3c4db30d9..a582cf4408d13ff54291f855f80e4b863d721269 100644
--- a/Source Packages/servlet/borrarComentarioSV.java	
+++ b/Source Packages/servlet/borrarComentarioSV.java	
@@ -41,7 +41,6 @@ public class borrarComentarioSV extends HttpServlet {
             RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
             dispatcher.forward(request, response);
         } else{
-            String userName = (String) session.getAttribute("usuario");
             int idComentario = Integer.parseInt(request.getParameter("idComentario"));
             int idNook = Integer.parseInt(request.getParameter("idNook"));
 
diff --git a/Source Packages/servlet/borrarNookSV.java b/Source Packages/servlet/borrarNookSV.java
index 1122304309ba322e12e15122b46a466f1600ba1b..1137324ab34700c15751040184a06fd5a38ba07f 100644
--- a/Source Packages/servlet/borrarNookSV.java	
+++ b/Source Packages/servlet/borrarNookSV.java	
@@ -41,7 +41,6 @@ public class borrarNookSV extends HttpServlet {
             RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
             dispatcher.forward(request, response);
         } else {
-            String userName = (String) session.getAttribute("usuario");
 
             int idNook = Integer.parseInt(request.getParameter("idNook"));
 
diff --git a/Source Packages/servlet/buscarSV.java b/Source Packages/servlet/buscarSV.java
index 6cc357180dedbb413fb69aeaa4cd7be233604294..edabd626c6d5adf3122a6e5bd3fd187195bb96b8 100644
--- a/Source Packages/servlet/buscarSV.java	
+++ b/Source Packages/servlet/buscarSV.java	
@@ -44,7 +44,6 @@ public class buscarSV extends HttpServlet {
             RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
             dispatcher.forward(request, response);
         }else{
-            String userName = (String) session.getAttribute("usuario");
 
             String busqueda= request.getParameter("search");
             ArrayList<String> categoriasNook;
diff --git a/Source Packages/servlet/cerrarSesionSV.java b/Source Packages/servlet/cerrarSesionSV.java
index afbad8ad66b7eb4867fc8d237aff7756d9463636..307c8afff08cbf25d19fcd87631f059a10b64046 100644
--- a/Source Packages/servlet/cerrarSesionSV.java	
+++ b/Source Packages/servlet/cerrarSesionSV.java	
@@ -40,7 +40,6 @@ public class cerrarSesionSV extends HttpServlet {
             RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
             dispatcher.forward(request, response);
         }else{
-            String userName = (String) session.getAttribute("usuario");
             session.invalidate();
             String url = "/index.html";
             RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
diff --git a/Source Packages/servlet/descargarNookSV.java b/Source Packages/servlet/descargarNookSV.java
index b4f37bfcdf839f8248466ce20c1137acc1ee336a..7678a0dbe0a11c5e521f3c2b627ca4fb748ad023 100644
--- a/Source Packages/servlet/descargarNookSV.java	
+++ b/Source Packages/servlet/descargarNookSV.java	
@@ -54,7 +54,6 @@ public class descargarNookSV extends HttpServlet {
             RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
             dispatcher.forward(request, response);
         }else{
-            String userName = (String) session.getAttribute("usuario");
             boolean doc = true;
             int nook = Integer.parseInt(request.getParameter("idNook"));
             ArrayList<Documento> documentos = documentoDB.getDocumentosNook(nook);
diff --git a/Source Packages/servlet/documentosSV.java b/Source Packages/servlet/documentosSV.java
index 97890e2f454a49e4b8b08cecabb3ced7cb6fbf87..8e4a7c2d007d40cfd7e4c556f43181a7c1863eac 100644
--- a/Source Packages/servlet/documentosSV.java	
+++ b/Source Packages/servlet/documentosSV.java	
@@ -45,7 +45,6 @@ public class documentosSV extends HttpServlet {
             RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
             dispatcher.forward(request, response);
         }else{
-            String userName = (String) session.getAttribute("usuario");
 
             int idNook = Integer.parseInt(request.getParameter("idNook"));
             Nook nook = nookDB.getNook(idNook);
diff --git a/Source Packages/servlet/inicialSV.java b/Source Packages/servlet/inicialSV.java
index 0f447574c4c4555b4cfc8153fc0b3e135a17dcea..ab6c12096a13ddefc70a10c92a31a3c550195a6b 100644
--- a/Source Packages/servlet/inicialSV.java	
+++ b/Source Packages/servlet/inicialSV.java	
@@ -43,7 +43,6 @@ public class inicialSV extends HttpServlet {
             RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
             dispatcher.forward(request, response);
         }else{
-            String userName = (String) session.getAttribute("usuario");
 
             ArrayList<Nook> nooksPopulares =nookDB.getNooksPopulares();
             ArrayList<Nook> nooksDescargas =nookDB.getNooksDescargas();
diff --git a/Source Packages/servlet/mensajeSV.java b/Source Packages/servlet/mensajeSV.java
index 3250168622151a8f93a73fec0c2a407485f1026d..5ba9b4f9524203c4cf61a7b7ce360ee89627b0e5 100644
--- a/Source Packages/servlet/mensajeSV.java	
+++ b/Source Packages/servlet/mensajeSV.java	
@@ -41,7 +41,6 @@ public class mensajeSV extends HttpServlet {
             RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
             dispatcher.forward(request, response);
         }else{
-            String userName = (String) session.getAttribute("usuario");
             int idMensaje = Integer.parseInt(request.getParameter("idMensaje"));
             String tipo = request.getParameter("tipo");
 
diff --git a/Source Packages/servlet/nookSV.java b/Source Packages/servlet/nookSV.java
index 00273e6be7f321e916cfa3a644380374171b014d..a16ed1953f846a5152b1d586b8b9aa220065524a 100644
--- a/Source Packages/servlet/nookSV.java	
+++ b/Source Packages/servlet/nookSV.java	
@@ -47,7 +47,6 @@ public class nookSV extends HttpServlet {
             RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
             dispatcher.forward(request, response);
         }else{
-            String userName = (String) session.getAttribute("usuario");
             int idNook = Integer.parseInt(request.getParameter("idNook"));
             Nook nook = nookDB.getNook(idNook);
             int valoracion = valoracionesNookDB.getValoracionUsuarioNook((String) session.getAttribute("usuario"), idNook);
diff --git a/Source Packages/servlet/registroSV.java b/Source Packages/servlet/registroSV.java
index 4289f764d48282d7dff50538d52940a2556902e6..40832be8d3d10f7819bb48806077c1b0b391eef3 100644
--- a/Source Packages/servlet/registroSV.java	
+++ b/Source Packages/servlet/registroSV.java	
@@ -42,7 +42,6 @@ public class registroSV extends HttpServlet {
             RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
             dispatcher.forward(request, response);
         } else{
-            String userName = (String) session.getAttribute("usuario");
             String correo = request.getParameter("email");
             String nombre = request.getParameter("nom");
             String apellidos = request.getParameter("ape");
diff --git a/web/js/bdFilenook.sql b/web/js/bdFilenook.sql
index 90a485df15b70b7f73fdc7e3b95c3132b2f21775..aeb39a967a31263a1a09845caa4326c917cc6ed8 100644
--- a/web/js/bdFilenook.sql
+++ b/web/js/bdFilenook.sql
@@ -2,7 +2,6 @@ DROP TABLE ClasificacionCategorias;
 DROP TABLE ValoracionesComentario;
 DROP TABLE Comentario;
 DROP TABLE ValoracionesNook;
-DROP TABLE ValoracionesAutor;
 DROP TABLE Documento;
 DROP TABLE Nook;
 DROP TABLE Mensaje;
@@ -67,18 +66,6 @@ CREATE TABLE Documento(
 );
 
 
-CREATE TABLE ValoracionesAutor(
-	autor VARCHAR(10) NOT NULL,
-        usuario VARCHAR(10) NOT NULL,
-	puntuacion NUMERIC(3,1) NOT NULL,
-	PRIMARY KEY (autor, usuario),
-	CONSTRAINT FK_VALAUTOR FOREIGN KEY (autor)
-		REFERENCES Usuario (nombreUsuario),
-        CONSTRAINT FK_VALAUTOR2 FOREIGN KEY (usuario)
-		REFERENCES Usuario (nombreUsuario)
-);
-
-
 CREATE TABLE ValoracionesNook(
 	nook INTEGER NOT NULL,
 	usuario VARCHAR(10) NOT NULL,
@@ -186,10 +173,6 @@ INSERT INTO Documento (nook,nombre,resumen,fechaCreacion,fechaModificacion) VALU
 INSERT INTO Documento (nook,nombre,resumen,fechaCreacion,fechaModificacion) VALUES (13,'Criptomonedas.pdf','Actualidad. Resumen y diferencias entre criptomoneda, moneda virtual y dinero digital.','2018-10-12','2018-10-12');
 
 
-INSERT INTO ValoracionesAutor VALUES ('rafhige','patagua',2);
-INSERT INTO ValoracionesAutor VALUES ('rafhige','sanblas',4);
-
-
 INSERT INTO ValoracionesNook VALUES (0,'patagua',5,'2016-11-12');
 INSERT INTO ValoracionesNook VALUES (0,'sanblas',3,'2017-08-06');
 INSERT INTO ValoracionesNook VALUES (0,'andcabe',4,'2018-05-15');