1.
nakamura@dl.kuis.kyoto-­‐u.a.jp

2. •
–
–

3. •
–
–
•
Skip?

5. Genova
3/22
19:30-­‐22:50
WI2

6. 3/22
23:00-­‐24:10

7. Café
BONGO
3/22
24:20-­‐24:55

8. Café
BONGO
3/22
24:58

9. MANON
3/22
24:59-­‐26:02
Café BONGO

10. MANON
3/22
26:04

11. Bar
3/22
26:05-­‐27:10
MANON

12. •
•

15.
Yahoo!
JAPAN
(47.4%),
Google
(35.0%)
in
Japan
[2007/07,
comScore]
Internet
Explorer
(84.66%),
Mozilla
Firefox
(12.72%),
Safari
(1.79%),
Opera
(0.61%),
…
[2007/07,
OneStat]
Windows
(91.46%),
Mac
OS
(7.57%),
Linux
(0.67%)
[2008/01,
Net
ApplicaCons]
Intel
(80.2%),
AMD
(11.1%)
[2007/04,
iSuppli]

16. Background
• 18.7%
[Nakamura,
ECDL
07]

17. Background
Search
–

18. •
Query
(Jaguar)
1.
Jaguar
(Animal)
2.
Jaguar
(Mac
OS)
3.
Jaguar
(Car)
4.
Jaguar
(Car)
5.
Jaguar
(Animal)
:
N-­‐1.
Jaguar
(Car)
N.
Jaguar
(Animal)

20. Get
Browse Browser
User
Page WWW
Page
Search Engine
Search Search Crawling
Results
Interact Results Pages
Reranked
Results Get
Annotaaon
Annotaaon
Annotaaon
Bookmarking
Social Bookmark

21. • vs.
PageRank
•
•
•
[Yambe ’07a] Yusuke Yambe, Adam Jatowt, Satoshi Nakamura and Katsumi Tanaka:
Can Social Bookmark Enhance Web Search?, Proceedings of JCDL2007, pp.107-116.
[Yambe ’07a] Yusuke Yambe, Adam Jatowt, Satoshi Nakamura and Katsumi Tanaka: Towards
Improving Web Search by Utilizing Social Bookmarks, Proceedings of ICWE 2007,.

22. Thank
you!
• Satoshi
Nakamura
nakamura@dl.kuis.kyoto-­‐u.ac.jp
– hOp://webox.biz/
– hOp://rerank.jp/
– hOp://wabiquitous.jp/
– hOp://calendar2.org/
– hOp://xbrowse.org/