Here's a link to the abstract from 2010. I found it to be more readable than this thinly veiled analytics advertisement. https://research.google.com/pubs/pub3

Here's a link to the abstract from 2010. I found it to be more readable than this thinly veiled analytics advertisement. https://research.google.com/pubs/pub36299.html https://research.google.com/pubs/pub36299.html