PropertyListPanel propertyListPanel = new PropertyListPanel(
propertiesModelContext, propertiesViewContext);
item.add(propertyListPanel);
ModelContext neighborsModelContext = new ModelContext(modelContext);
Neighbors neighbors = concept.getNeighbors();
neighborsModelContext.setEntities(neighbors);
ViewContext neighborsViewContext = new ViewContext(viewContext);
neighborsViewContext.setWicketId("neighborListPanel");
NeighborListPanel neighborListPanel = new NeighborListPanel(
neighborsModelContext, neighborsViewContext);