added '@' for context, rewriting query X:sa as #BEG(X , sa), updated examples
diff --git a/examples/cosmas2_17.json b/examples/cosmas2_17.json
new file mode 100644
index 0000000..15303f4
--- /dev/null
+++ b/examples/cosmas2_17.json
@@ -0,0 +1,31 @@
+{
+ "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
+ "query" : {
+ "@type" : "korap:group",
+ "operation" : "operation:submatch",
+ "classRef" : [ 1 ],
+ "operands" : [ {
+ "@type" : "korap:group",
+ "operation" : "operation:position",
+ "frame" : "frame:startswith",
+ "operands" : [ {
+ "@type" : "korap:span",
+ "key" : "s"
+ }, {
+ "@type" : "korap:group",
+ "operation" : "operation:class",
+ "class" : 1,
+ "operands" : [ {
+ "@type" : "korap:token",
+ "wrap" : {
+ "@type" : "korap:term",
+ "caseInsensitive" : true,
+ "key" : "wegen",
+ "layer" : "orth",
+ "match" : "match:eq"
+ }
+ } ]
+ } ]
+ } ]
+ }
+}
\ No newline at end of file