1 files changed, 11 insertions, 5 deletions
diff --git a/extractor/scorer.h b/extractor/scorer.h
index ba71a6ee..c31db0ca 100644
--- a/extractor/scorer.h
+++ b/extractor/scorer.h
@@ -7,16 +7,20 @@
 
 using namespace std;
 
-class Feature;
-class FeatureContext;
+namespace extractor {
+
+namespace features {
+  class Feature;
+  class FeatureContext;
+} // namespace features
 
 class Scorer {
  public:
-  Scorer(const vector<shared_ptr<Feature> >& features);
+  Scorer(const vector<shared_ptr<features::Feature> >& features);
 
   virtual ~Scorer();
 
-  virtual vector<double> Score(const FeatureContext& context) const;
+  virtual vector<double> Score(const features::FeatureContext& context) const;
 
   virtual vector<string> GetFeatureNames() const;
 
@@ -24,7 +28,9 @@ class Scorer {
   Scorer();
 
  private:
-  vector<shared_ptr<Feature> > features;
+  vector<shared_ptr<features::Feature> > features;
 };
 
+} // namespace extractor
+
 #endif