Download - Web Search - uio.no · Web Search UiO - 2014-04-27 Torgeir Hovden @thovden [email protected]
Transcript
Static Rank
Machine Learning
Supervised
What is the best URL for a Query Q?
Source: Cornell Eye Tracking Studyhttp://www.cs.cornell.edu/people/tj/publications/granka_etal_04a.pdf
Search Business
Users
Advertisers
Relevant Content
Publishers
Revenue
Usage Data
+
R&D Investments
+
++
+
+
+
+
+
+
Client software +
+
97%
$40billion
So why are users coming to my site?
What are they looking for?
Referrer
(yes it’s a typo)
Navigation
Answering some queries locally
>50%
FromQuery => URL
toIntent => Action
Can we crowdsource training data without
violating users’ privacy?
