Entropy of Search Logs: How Hard is Search? With Personalization? With Backoff?
author:
Qiaozhu Mei,
University of Illinois
You might be experiencing some problems with Your Video player.
| Slides | |
| 0:00 | Entropy of Search Logs |
| 0:34 | How Big is the Web? |
| 1:53 | Millions (Not Billions) |
| 2:13 | Population Bound |
| 3:26 | It Will Take Decades to Reach Population Bound |
| 3:55 | Equilibrium: Supply = Demand |
| 4:30 | Demand Side Accounting |
| 5:08 | How Big is the Web? |
| 6:04 | Chomskian Argument: Web is Infinite |
| 6:41 | How Bigis the Web? 5B? 20B? More? Less? |
| 8:03 | Entropy (H) |
| 8:38 | How Hard Is Search? |
| 9:40 | Difficulty of Queries |
| 10:14 | How Hard are Query Suggestions? |
| 10:44 | Personalization with Backoff |
| 11:52 | Backoff |
| 12:20 | Backing Off by IP |
| 13:32 | Personalization with Backoff -> Market Segmentation (1) |
| 14:16 | Personalization with Backoff -> Market Segmentation (2) |
| 14:58 | Business Days v. Weekends: More Clicks and Easier Queries |
| 15:27 | Day v.s. Night: More Queries, More Diversified Queries |
| 15:45 | Harder Queries at TV Time |
| 16:08 | Conclusions: Millions (not Billions) |
| 16:59 | Conclusions: Personalization with Backoff |
| 17:42 | Thanks! |
| 25:15 | - Questions |
| 25:48 | - Questions |
Lecture rating
| People found this lecture: | ||
| Worth seeing | ||
| because it is: | ||
| Valuable and informative | ||
| Well presented | ||
| Easily understandable | ||
| Acceptably recorded | ||
| You need to login to cast your vote. | ||
Report a problem or upload files
If you have found a problem with this lecture or would like to send us extra material, articles, exercises, etc., please use our ticket system to describe your request and upload the data.Enter your e-mail into the 'Cc' field, and we will keep you updated with your request's status.
Related content
Visitors who watched this lecture also watched...
SEE ALSO:
Link this page
Would you like to put a link to this lecture on your homepage?
Go ahead! Copy the HTML snippet !





