diff --git a/hello_world.c b/hello_world.c
new file mode 100644
index 0000000..b96979f
--- /dev/null
+++ b/hello_world.c
@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include "collocatordb.h"
+
+char dbpath[] = "/vol/work/kupietz/Work2/kl/trunk/Analysemethoden/word2vec/models/dereko-2017-ii";
+const int testword = 259; // Welt
+
+int main(int argc, char* argv[]) {
+  COLLOCATORDB *cdb;
+
+  fprintf(stderr, "opening collocatordb for reading: %s ...\n", dbpath);
+  if(!(cdb = open_collocatordb(dbpath))) {
+    fprintf(stderr, "Error opening %s exiting.\n", dbpath);
+    exit(1);
+  }
+  fprintf(stderr, "Successfully opened %s.\n", dbpath);
+
+  /*
+  printf("raw dump of all “%s”-neighbour positions and frequencies:\n", get_word(cdb, testword));
+	dump_collocators(cdb, testword, 0, 0);
+  */
+
+  printf("printing collocators of “%s” as json:\n", get_word(cdb, testword));
+  printf("%s\n", get_collocators_as_json(cdb, testword));
+
+	return 0;
+}