added oa:annotatedBy and oa:annotatedAt properties

src/main/java/eu/fusepool/p3/dictionarymatcher/Annotation.java

@@ -1,6 +1,8 @@
 package eu.fusepool.p3.dictionarymatcher;
 
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
+import java.util.Date;
 import java.util.List;
 
 /**
@@ -24,12 +26,14 @@ public class Annotation {
     private int tokenizedBegin;
     private int tokenizedEnd;
     boolean overlap;
+    Date timestamp;
     List<Token> tokens;
 
     /**
      * Simple constructor.
      */
     public Annotation() {
+        timestamp = new Date();
         tokens = new ArrayList<>();
     }
 
@@ -42,6 +46,7 @@ public Annotation() {
     public Annotation(String label, String uri) {
         this.label = label;
         this.uri = uri;
+        timestamp = new Date();
         tokens = new ArrayList<>();
     }
 
@@ -56,6 +61,7 @@ public Annotation(String label, String uri, String type) {
         this.label = label;
         this.uri = uri;
         this.type = type;
+        timestamp = new Date();
         tokens = new ArrayList<>();
     }
 
@@ -163,6 +169,10 @@ public void setTokenizedEnd(int tokenizedEnd) {
         this.tokenizedEnd = tokenizedEnd;
     }
 
+    public String getTimestamp() {
+        return new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ").format(timestamp);
+    }
+
     /**
      * It is a lookup function to find the entity in the original text.
      *

src/main/java/eu/fusepool/p3/transformer/dictionarymatcher/DictionaryMatcherTransformer.java

@@ -1,12 +1,12 @@
 package eu.fusepool.p3.transformer.dictionarymatcher;
 
-import eu.fusepool.p3.transformer.HttpRequestEntity;
-import eu.fusepool.p3.transformer.RdfGeneratingTransformer;
-import eu.fusepool.p3.vocab.FAM;
 import eu.fusepool.p3.dictionarymatcher.Annotation;
 import eu.fusepool.p3.dictionarymatcher.DictionaryAnnotator;
 import eu.fusepool.p3.dictionarymatcher.DictionaryStore;
 import eu.fusepool.p3.dictionarymatcher.Skos;
+import eu.fusepool.p3.transformer.HttpRequestEntity;
+import eu.fusepool.p3.transformer.RdfGeneratingTransformer;
+import eu.fusepool.p3.vocab.FAM;
 import java.io.IOException;
 import java.util.Enumeration;
 import java.util.HashMap;
@@ -158,6 +158,8 @@ protected TripleCollection generateRdf(HttpRequestEntity entity) throws IOExcept
                 node.addProperty(RDF.type, new UriRef("http://www.w3.org/ns/oa#Annotation"));
                 node.addProperty(new UriRef("http://www.w3.org/ns/oa#hasBody"), new UriRef(annotationBody));
                 node.addProperty(new UriRef("http://www.w3.org/ns/oa#hasTarget"), new UriRef(spResource));
+                node.addProperty(new UriRef("http://www.w3.org/ns/oa#annotatedBy"), new UriRef("p3-dictionary-matcher-transformer"));
+                node.addPropertyValue(new UriRef("http://www.w3.org/ns/oa#annotatedAt"), e.getTimestamp());
 
                 // oa:SpecificResource
                 node = new GraphNode(new UriRef(spResource), result);
@@ -217,7 +219,8 @@ private Map<String, String> getQueryParams(String queryString) {
     }
 
     /**
-     * Get docuemt URI either from content location header, or generate one if it's null.
+     * Get docuemt URI either from content location header, or generate one if
+     * it's null.
      *
      * @param entity
      * @return