zotero remove some dates

doc/doc.bib

@@ -21,11 +21,9 @@
 	copyright = {MIT},
 	shorttitle = {{JSON}-java},
 	url = {https://github.com/stleary/JSON-java},
-	urldate = {2018-06-09},
 	author = {Leary, Sean and Crockford, Douglas},
 	month = jun,
-	year = {2018},
-	note = {original-date: 2010-12-21T17:46:09Z}
+	year = {2018}
 }
 
 @article{sugiyama_methods_1981,

doc/zotero_backup/NodePlacementAnimation/NodePlacementAnimation.rdf

@@ -88,8 +88,6 @@
         </dc:identifier>
         <dc:rights>MIT</dc:rights>
         <dc:date>2018-06-08T16:01:34Z</dc:date>
-        <dc:description>original-date: 2010-12-21T17:46:09Z</dc:description>
-        <dcterms:dateSubmitted>2018-06-09 01:27:34</dcterms:dateSubmitted>
         <z:libraryCatalog>GitHub</z:libraryCatalog>
         <z:programmingLanguage>Java</z:programmingLanguage>
         <dc:title>JSON-java: A reference implementation of a JSON package in Java</dc:title>
@@ -120,6 +118,9 @@
                 </rdf:li>
             </rdf:Seq>
         </bib:authors>
+        <dc:subject>
+           <z:AutomaticTag><rdf:value>Testing</rdf:value></z:AutomaticTag>
+        </dc:subject>
         <dc:subject>
             <z:AutomaticTag>
                <rdf:value>Computer displays</rdf:value>
@@ -161,9 +162,6 @@
         <dc:subject>
            <z:AutomaticTag><rdf:value>Programming</rdf:value></z:AutomaticTag>
         </dc:subject>
-        <dc:subject>
-           <z:AutomaticTag><rdf:value>Testing</rdf:value></z:AutomaticTag>
-        </dc:subject>
         <bib:pages>109-125</bib:pages>
         <dc:date>February 1981</dc:date>
         <z:libraryCatalog>IEEE Xplore</z:libraryCatalog>
@@ -177,4 +175,23 @@
         <dc:identifier>ISSN 0018-9472</dc:identifier>
         <dc:identifier>DOI 10.1109/TSMC.1981.4308636</dc:identifier>
     </bib:Journal>
+    <bib:Data rdf:about="https://github.com/eclipse/elk">
+        <z:itemType>computerProgram</z:itemType>
+        <dc:publisher>
+            <foaf:Organization>
+               <foaf:name>Eclipse Foundation</foaf:name>
+            </foaf:Organization>
+        </dc:publisher>
+        <dc:identifier>
+            <dcterms:URI>
+               <rdf:value>https://github.com/eclipse/elk</rdf:value>
+            </dcterms:URI>
+        </dc:identifier>
+        <dc:rights>EPL-1.0</dc:rights>
+        <dc:date>2018-06-09T11:09:35Z</dc:date>
+        <z:libraryCatalog>GitHub</z:libraryCatalog>
+        <z:programmingLanguage>Java</z:programmingLanguage>
+        <dc:title>ELK: Eclipse Layout Kernel - Automatic layout for Java applications</dc:title>
+        <z:shortTitle>ELK</z:shortTitle>
+    </bib:Data>
 </rdf:RDF>