diff --git a/htroot/api/yacydoc.htm b/htroot/api/yacydoc.htm
deleted file mode 100644
index 8089692e9..000000000
--- a/htroot/api/yacydoc.htm
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-	"result": "#[taglinks]#"
-}
\ No newline at end of file
diff --git a/htroot/api/yacydoc.html b/htroot/api/yacydoc.html
index 89236c710..58e087556 100644
--- a/htroot/api/yacydoc.html
+++ b/htroot/api/yacydoc.html
@@ -39,6 +39,7 @@ To see a list of all APIs, please visit the <a href="http://www.yacy-websuche.de
   <dt>YaCy Identifier</dt><dd property="dc:identifier">yacy:urlhash:#[yacy_urlhash]#</dd>
   <dt>Identifier</dt><dd><a href="#[dc_identifier]#" property="dc:identifier">#[dc_identifier]#</a></dd>
   <dt>Language</dt><dd property="dc:language">#[dc_language]#</dd>
+  <dt>Collections</dt><dd property="collection">#[collection]#</dd>
   
   <dt>Load Date</dt><dd property="yacy:loaddate">#[yacy_loaddate]#</dd>
   <dt>Referrer Identifier</dt><dd property="yacy:referrer.hash">yacy:urlhash:#[yacy_referrer_hash]#</dd>
diff --git a/htroot/api/yacydoc.java b/htroot/api/yacydoc.java
index 51111151f..03ab6523a 100644
--- a/htroot/api/yacydoc.java
+++ b/htroot/api/yacydoc.java
@@ -26,6 +26,7 @@
 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 import java.net.MalformedURLException;
+import java.util.Arrays;
 import java.util.Iterator;
 
 import net.yacy.cora.date.ISO8601Formatter;
@@ -68,6 +69,7 @@ public class yacydoc {
         prop.put("dc_type", "");
         prop.put("dc_identifier", "");
         prop.put("dc_language", "");
+        prop.put("collection", "");
         prop.put("geo_lat", "");
         prop.put("geo_long", "");
 
@@ -115,6 +117,7 @@ public class yacydoc {
         prop.putXML("dc_type", String.valueOf(entry.doctype()));
         prop.putXML("dc_identifier", entry.url().toNormalform(false, true));
         prop.putXML("dc_language", ASCII.String(entry.language()));
+        prop.putXML("collection", Arrays.toString(entry.collections()));
         prop.put("geo_lat", entry.lat());
         prop.put("geo_long", entry.lon());
 
diff --git a/htroot/api/yacydoc.xml b/htroot/api/yacydoc.xml
index 9f916bb9f..10ed03988 100644
--- a/htroot/api/yacydoc.xml
+++ b/htroot/api/yacydoc.xml
@@ -20,6 +20,7 @@ you can validate it with http://www.stg.brown.edu/service/xmlvalid/
   <dc:identifier SCHEME="URL">#[dc_identifier]#</dc:identifier>
   <dc:format.extent>#[yacy_size]#</dc:format.extent>
   <dc:language SCHEME="ISO639-2">#[dc_language]#</dc:language>
+  <collections>#[collection]#</collections>
   <geo:Point>
     <geo:long>#[geo_long]#</geo:long>
     <geo:lat>#[geo_lat]#</geo:lat>
diff --git a/htroot/gsa/searchresult.java b/htroot/gsa/searchresult.java
index a0bab0ed5..23f5feded 100644
--- a/htroot/gsa/searchresult.java
+++ b/htroot/gsa/searchresult.java
@@ -95,6 +95,7 @@ public class searchresult {
 
         // check post
         if (post == null) return null;
+        Log.logInfo("GSA Query", post.toString());
         sb.intermissionAllThreads(3000); // tell all threads to do nothing for a specific time
 
         // rename post fields according to result style
diff --git a/htroot/interaction_elements/Tag_part.html b/htroot/interaction_elements/Tag_part.html
index 5ff01af41..be27d2425 100644
--- a/htroot/interaction_elements/Tag_part.html
+++ b/htroot/interaction_elements/Tag_part.html
@@ -45,7 +45,7 @@ color: #5a346e;
 
 		$.ajaxSetup({async: false});
 
-		$.getJSON('/currentyacypeer/api/yacydoc.htm?urlhash=#[hash]#', function(data) {
+		$.getJSON('/currentyacypeer/api/yacydoc.json?urlhash=#[hash]#', function(data) {
 
 			resultstring = data.result;
 		});
diff --git a/htroot/solr/select.java b/htroot/solr/select.java
index 0bd9562ad..f413fbd38 100644
--- a/htroot/solr/select.java
+++ b/htroot/solr/select.java
@@ -132,6 +132,7 @@ public class select {
 
         // check post
         if (post == null) return null;
+        Log.logInfo("SOLR Query", post.toString());
         sb.intermissionAllThreads(3000); // tell all threads to do nothing for a specific time
 
         // rename post fields according to result style