1 files changed, 23 insertions, 0 deletions
diff --git a/extractor/features/sample_source_count.h b/extractor/features/sample_source_count.h
new file mode 100644
index 00000000..ee6e59a0
--- /dev/null
+++ b/extractor/features/sample_source_count.h
@@ -0,0 +1,23 @@
+#ifndef _SAMPLE_SOURCE_COUNT_H_
+#define _SAMPLE_SOURCE_COUNT_H_
+
+#include "feature.h"
+
+namespace extractor {
+namespace features {
+
+/**
+ * Feature scoring the number of times the source phrase occurs in the sampled
+ * set.
+ */
+class SampleSourceCount : public Feature {
+ public:
+  double Score(const FeatureContext& context) const;
+
+  string GetName() const;
+};
+
+} // namespace features
+} // namespace extractor
+
+#endif