Beyond PageRank: learning with content and networks

The 'Google Page Rank Algorithm' is a common example. The downside is that the typical references to PageRank are a naive view of Google search, but the upside is that it is a nice opportunity to introduce some fields of study that I want to talk about. [...]
When we only focus on human-generated link structures such as those used in PageRank, or collaborative filtering, we miss the bigger picture that includes those approaches, as well as approaches based on the content itself, often text."