lib/vsm: actually use tf.idf when matching documents

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>

diff --git a/lib/vsm/vsm.nit b/lib/vsm/vsm.nit
index 8eaeca8..4a64f99 100644 (file)
--- a/lib/vsm/vsm.nit
+++ b/lib/vsm/vsm.nit
@@ -208,7 +208,8 @@ class StringIndex
        # See `match_vector`.
        fun match_string(query: String): Array[IndexMatch] do
                var vector = parse_string(query)
-               return match_vector(vector)
+               var doc = new Document("", "", vector)
+               return match_vector(doc.terms_frequency)
        end
 
        # Parse the `string` as a Vector