diff --git a/w2v-server.pl b/w2v-server.pl
index 45a45c7..9ee47d6 100755
--- a/w2v-server.pl
+++ b/w2v-server.pl
@@ -206,6 +206,20 @@
   $self->render(data => getSimilarProfilesCached($self, $self->param("w") ? $self->param("w") : $self->req->json), format=>'json');
 };
 
+any '/getSimilarity' => sub {
+  my $self = shift;
+  my $w1 = $self->param("w1");
+  my $w2 = $self->param("w2");
+  $self->render(data => cos_similarity_as_json($w1, $w2), format=>'json');
+};
+
+any '*/getSimilarity' => sub {
+  my $self = shift;
+  my $w1 = $self->param("w1");
+  my $w2 = $self->param("w2");
+  $self->render(data => cos_similarity_as_json($w1, $w2), format=>'json');
+};
+
 get '*/img/*' => sub {
 	my $c = shift;
 	my $url = $c->req->url;
@@ -837,6 +851,13 @@
   return(wl);
 }
 
+float get_distance(long b, long c) {
+  long a;
+  float dist = 0;
+  for (a = 0; a < size; a++) dist += M[a + c * size] * M[a + b * size];
+  return dist;
+}
+
 char  *getBiggestMergedDifferences() {
   static char *result = NULL;
   float dist, len, vec[max_size];
@@ -888,6 +909,29 @@
   return(result);
 }
 
+
+float cos_similarity(long b, long c) {
+  float dist=0;
+  long a;
+ 	for (a = 0; a < size; a++) dist += M[b * size + a] * M[c * size + a];
+  return dist;
+}
+
+char *cos_similarity_as_json(char *w1, char *w2) {
+  wordlist *a, *b;
+  float res;
+  a = getTargetWords(w1, 0);
+  b = getTargetWords(w2, 0);
+  if (a == NULL || b==NULL || a->length != 1 || b->length != 1)
+    res = -1;
+  else
+    res = cos_similarity(a->wordi[0], b->wordi[0]);
+  fprintf(stderr, "a: %lld b: %lld res:%f\n", a->wordi[0], b->wordi[0], res);
+  char *json = malloc(16);
+  sprintf(json, "%.5f", res);
+  return json;
+}
+
 void *_get_neighbours(void *arg) {
   knnpars *pars = arg;
 	char *st1 = pars->token;