8. The system of claim 4 , wherein the first module further: initializes an available set of parameters associated with hyperlinks and subnodes of each respective node; repeatedly chooses a set of parameters associated with hyperlinks of each respective node that has the highest weight from the available set of parameters; and adds an anchor text associated with the chosen set of parameters having the highest weight to the summary.
8. The system of claim 4 , wherein the first module further: initializes an available set of parameters associated with hyperlinks and subnodes of each respective node; repeatedly chooses a set of parameters associated with hyperlinks of each respective node that has the highest weight from the available set of parameters; and adds an anchor text associated with the chosen set of parameters having the highest weight to the summary. 9. The system of claim 8 , further comprising: a fourth module controlling the processor to remove the chosen set of parameters associated with the added anchor text from the available set of parameters.