diff --git a/app/db.sqlite3 b/app/db.sqlite3
index 2a3ed24d..1b2528f7 100644
Binary files a/app/db.sqlite3 and b/app/db.sqlite3 differ
diff --git a/app/server/serializers.py b/app/server/serializers.py
index f4a13557..7651c619 100644
--- a/app/server/serializers.py
+++ b/app/server/serializers.py
@@ -1,6 +1,7 @@
 from rest_framework import serializers
 
-from .models import Label, Project, Document, Annotation
+from .models import Label, Project, Document
+from .models import DocumentAnnotation, SequenceAnnotation, Seq2seqAnnotation
 
 
 class LabelSerializer(serializers.ModelSerializer):
@@ -10,16 +11,16 @@ class LabelSerializer(serializers.ModelSerializer):
         fields = ('id', 'text', 'shortcut')
 
 
-class AnnotationSerializer(serializers.ModelSerializer):
+class DocumentAnnotationSerializer(serializers.ModelSerializer):
     label = LabelSerializer()
 
     class Meta:
-        model = Annotation
+        model = DocumentAnnotation
         fields = ('id', 'prob', 'label')
 
 
 class DocumentSerializer(serializers.ModelSerializer):
-    labels = AnnotationSerializer(many=True)
+    labels = DocumentAnnotationSerializer(many=True)
 
     class Meta:
         model = Document
diff --git a/app/server/views.py b/app/server/views.py
index 3a0cf143..5c9fb5a2 100644
--- a/app/server/views.py
+++ b/app/server/views.py
@@ -16,7 +16,7 @@ from rest_framework.permissions import IsAdminUser
 
 from .models import Label, Document, Project
 from .models import DocumentAnnotation
-from .serializers import LabelSerializer, ProjectSerializer, DocumentSerializer, AnnotationSerializer
+from .serializers import LabelSerializer, ProjectSerializer, DocumentSerializer, DocumentAnnotationSerializer
 
 
 class IndexView(TemplateView):
@@ -70,7 +70,7 @@ class ProjectViewSet(viewsets.ModelViewSet):
     def progress(self, request, pk=None):
         project = self.get_object()
         docs = project.documents.all()
-        remaining = docs.filter(labels__isnull=True).count()
+        remaining = docs.filter(doc_annotations__isnull=True).count()
         return Response({'total': docs.count(), 'remaining': remaining})
 
 
@@ -125,7 +125,7 @@ class ProjectDocsAPI(generics.ListCreateAPIView):
 
 class AnnotationsAPI(generics.ListCreateAPIView):
     queryset = DocumentAnnotation.objects.all()
-    serializer_class = AnnotationSerializer
+    serializer_class = DocumentAnnotationSerializer
     pagination_class = None
 
     def get_queryset(self):
@@ -147,7 +147,7 @@ class AnnotationsAPI(generics.ListCreateAPIView):
 
 class AnnotationAPI(generics.RetrieveUpdateDestroyAPIView):
     queryset = DocumentAnnotation.objects.all()
-    serializer_class = AnnotationSerializer
+    serializer_class = DocumentAnnotationSerializer
 
     def get_queryset(self):
         doc_id = self.kwargs['doc_id']