gexf.getGraph()
.setStartDate(toDate("2009-01-01"))
.setEndDate(toDate("2009-03-20"));
AttributeList attrListStatic = new AttributeListImpl(AttributeClass.NODE);
gexf.getGraph().getAttributeLists().add(attrListStatic);
AttributeList attrListDynamic = new AttributeListImpl(AttributeClass.NODE)
.setMode(Mode.DYNAMIC);
gexf.getGraph().getAttributeLists().add(attrListDynamic);
Attribute attUrl = attrListStatic.createAttribute("0", AttributeType.STRING, "url");
Attribute attFrog = attrListStatic.createAttribute("1", AttributeType.BOOLEAN, "frog")
.setDefaultValue("true");
Attribute attIndegree = attrListDynamic.createAttribute("2", AttributeType.FLOAT, "indegree");
Node gephi = gexf.getGraph().createNode("0");