diff --git a/src/libsysprof-analyze/sysprof-document-allocation.c b/src/libsysprof-analyze/sysprof-document-allocation.c
index c1091560..c64a549b 100644
--- a/src/libsysprof-analyze/sysprof-document-allocation.c
+++ b/src/libsysprof-analyze/sysprof-document-allocation.c
@@ -20,6 +20,8 @@
 
 #include "config.h"
 
+#include <glib/gi18n.h>
+
 #include "sysprof-document-frame-private.h"
 
 #include "sysprof-document-allocation.h"
@@ -142,9 +144,12 @@ static void
 sysprof_document_allocation_class_init (SysprofDocumentAllocationClass *klass)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  SysprofDocumentFrameClass *document_frame_class = SYSPROF_DOCUMENT_FRAME_CLASS (klass);
 
   object_class->get_property = sysprof_document_allocation_get_property;
 
+  document_frame_class->type_name = N_("Allocation");
+
   /**
    * SysprofDocumentAllocation:thread-id:
    *
diff --git a/src/libsysprof-analyze/sysprof-document-frame-private.h b/src/libsysprof-analyze/sysprof-document-frame-private.h
index e10aaee2..a7e0e5b2 100644
--- a/src/libsysprof-analyze/sysprof-document-frame-private.h
+++ b/src/libsysprof-analyze/sysprof-document-frame-private.h
@@ -40,6 +40,7 @@ struct _SysprofDocumentFrame
 struct _SysprofDocumentFrameClass
 {
   GObjectClass parent_class;
+  const char *type_name;
 };
 
 SysprofDocumentFrame *_sysprof_document_frame_new (GMappedFile               *mapped,
@@ -49,6 +50,9 @@ SysprofDocumentFrame *_sysprof_document_frame_new (GMappedFile               *ma
                                                    gint64                     begin_time,
                                                    gint64                     end_time);
 
+#define SYSPROF_DOCUMENT_FRAME_GET_CLASS(obj) \
+  G_TYPE_INSTANCE_GET_CLASS(obj, SYSPROF_TYPE_DOCUMENT_FRAME, SysprofDocumentFrameClass)
+
 #define SYSPROF_DOCUMENT_FRAME_ENDPTR(obj) \
   (&((const guint8 *)SYSPROF_DOCUMENT_FRAME(obj)->frame)[SYSPROF_DOCUMENT_FRAME(obj)->frame_len])
 
diff --git a/src/libsysprof-analyze/sysprof-document-frame.c b/src/libsysprof-analyze/sysprof-document-frame.c
index 014bfd51..00a9b8f1 100644
--- a/src/libsysprof-analyze/sysprof-document-frame.c
+++ b/src/libsysprof-analyze/sysprof-document-frame.c
@@ -20,6 +20,8 @@
 
 #include "config.h"
 
+#include <glib/gi18n.h>
+
 #include "sysprof-document-frame-private.h"
 
 #include "sysprof-document-allocation.h"
@@ -45,11 +47,18 @@ enum {
   PROP_PID,
   PROP_TIME,
   PROP_TIME_OFFSET,
+  PROP_TYPE_NAME,
   N_PROPS
 };
 
 static GParamSpec *properties[N_PROPS];
 
+static const char *
+sysprof_document_frame_get_type_name (SysprofDocumentFrame *self)
+{
+  return g_dgettext (GETTEXT_PACKAGE, SYSPROF_DOCUMENT_FRAME_GET_CLASS (self)->type_name);
+}
+
 static void
 sysprof_document_frame_finalize (GObject *object)
 {
@@ -89,6 +98,10 @@ sysprof_document_frame_get_property (GObject    *object,
       g_value_set_int64 (value, sysprof_document_frame_get_time_offset (self));
       break;
 
+    case PROP_TYPE_NAME:
+      g_value_set_static_string (value, sysprof_document_frame_get_type_name (self));
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
     }
@@ -102,6 +115,8 @@ sysprof_document_frame_class_init (SysprofDocumentFrameClass *klass)
   object_class->finalize = sysprof_document_frame_finalize;
   object_class->get_property = sysprof_document_frame_get_property;
 
+  klass->type_name = N_("Frame");
+
   properties[PROP_CPU] =
     g_param_spec_int ("cpu", NULL, NULL,
                       G_MININT32,
@@ -130,6 +145,11 @@ sysprof_document_frame_class_init (SysprofDocumentFrameClass *klass)
                         0,
                         (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
 
+  properties[PROP_TYPE_NAME] =
+    g_param_spec_string ("type-name", NULL, NULL,
+                         NULL,
+                         (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
   g_object_class_install_properties (object_class, N_PROPS, properties);
 }
 
diff --git a/src/libsysprof-analyze/sysprof-document-log.c b/src/libsysprof-analyze/sysprof-document-log.c
index ce03db0a..4a7dbc5e 100644
--- a/src/libsysprof-analyze/sysprof-document-log.c
+++ b/src/libsysprof-analyze/sysprof-document-log.c
@@ -20,6 +20,8 @@
 
 #include "config.h"
 
+#include <glib/gi18n.h>
+
 #include "sysprof-document-frame-private.h"
 #include "sysprof-document-log.h"
 
@@ -76,9 +78,12 @@ static void
 sysprof_document_log_class_init (SysprofDocumentLogClass *klass)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  SysprofDocumentFrameClass *document_frame_class = SYSPROF_DOCUMENT_FRAME_CLASS (klass);
 
   object_class->get_property = sysprof_document_log_get_property;
 
+  document_frame_class->type_name = N_("Log");
+
   properties [PROP_SEVERITY] =
     g_param_spec_uint ("severity", NULL, NULL,
                        0, G_MAXUINT16, 0,
diff --git a/src/libsysprof-analyze/sysprof-document-mark.c b/src/libsysprof-analyze/sysprof-document-mark.c
index a481947b..712fd14d 100644
--- a/src/libsysprof-analyze/sysprof-document-mark.c
+++ b/src/libsysprof-analyze/sysprof-document-mark.c
@@ -20,6 +20,8 @@
 
 #include "config.h"
 
+#include <glib/gi18n.h>
+
 #include "sysprof-document-frame-private.h"
 #include "sysprof-document-mark.h"
 
@@ -87,9 +89,12 @@ static void
 sysprof_document_mark_class_init (SysprofDocumentMarkClass *klass)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  SysprofDocumentFrameClass *document_frame_class = SYSPROF_DOCUMENT_FRAME_CLASS (klass);
 
   object_class->get_property = sysprof_document_mark_get_property;
 
+  document_frame_class->type_name = N_("Mark");
+
   properties [PROP_DURATION] =
     g_param_spec_int64 ("duration", NULL, NULL,
                         G_MININT64, G_MAXINT64, 0,
diff --git a/src/libsysprof-analyze/sysprof-document-sample.c b/src/libsysprof-analyze/sysprof-document-sample.c
index b6b48b2a..3eb612a6 100644
--- a/src/libsysprof-analyze/sysprof-document-sample.c
+++ b/src/libsysprof-analyze/sysprof-document-sample.c
@@ -20,6 +20,8 @@
 
 #include "config.h"
 
+#include <glib/gi18n.h>
+
 #include "sysprof-document-frame-private.h"
 
 #include "sysprof-document-sample.h"
@@ -127,9 +129,12 @@ static void
 sysprof_document_sample_class_init (SysprofDocumentSampleClass *klass)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  SysprofDocumentFrameClass *document_frame_class = SYSPROF_DOCUMENT_FRAME_CLASS (klass);
 
   object_class->get_property = sysprof_document_sample_get_property;
 
+  document_frame_class->type_name = N_("Sample");
+
   /**
    * SysprofDocumentSample:thread-id:
    *