The updated patent seems to be focusing alot on anchor text.
Abstract:
"… a rank for a particular document, generating the rank including: determining particular feature data associated with a link to the particular document, the particular feature data identifying one or more attributes of the link, determining a weight indicating a probability of the link being selected, the weight being determined based on the particular feature data and selection data, the selection data identifying user behavior relating to links to other documents …the weight indicating a higher probability of the link being selected when the particular feature data corresponds to feature data associated with the one or more links than when the particular feature data corresponds to feature data associated with the one or more other links…words in anchor text associated with the links, and a quantity of the words in the anchor text"