<link> <hassource> <uri>
The Uniform Resource Identifier specifies the source of the link.
<click> <hassource> <uri>
This is the uri encoded xpointer of the node which was clicked.
<dblclick> <hassource> <uri>
This is the uri encoded xpointer of the node which was double clicked.
<mouseover> <hassource> <uri>
This is the uri encoded xpointer of the node where the mouse moved over.
<mouseout> <hassource> <uri>
This is the uri encoded xpointer of the node where the mouse went out.
click example, dblclick example, mouseover example and mouseout example