0
2009   11 26               1
7000.006000.005000.004000.003000.002000.001000.00     0          1              2
✤    ✤    ✤✤    ✤    ✤        3
Credibility Degree   0.4                           4
Wikipedia            5
Wikipedia            5
Adler et al. WikiSym ’08, WWW 2007                          ✤               Author A                              ✤       ...
Lifetime 50                                        OK37.5                                       NG 2512.5  0       1   2  ...
60    =1       =167       =7   =1✤    ✤        Wikipedia      : 60        ✤                          950,548   ,   300 GB ...
✤                                 (kBytes)                          3,000                          2,250    ✤   80%       ...
✤✤                                                                 10       (x 1000 editors)✤                             ...
1.2.3.4.     11
1.2.3.4.     ?         12
1.2.3.4.   =       x -log         ?                      13
1                                          0.9                                          0.8Spearmans rank correlation coef...
✤    ✤    ✤✤    ✤    ✤        15
✤    ✤                Wikipedia        ✤   85,028               13.6%)   705,713         (Bot   )✤    ✤                   ...
1,000,000                         900,000                         800,000                         700,000Calculation time ...
10                           9                           8    40%                           7                             ...
✤    ✤✤    ✤           2%    ✤        ✤            ✤                     19
✤    ✤    ✤✤    ✤    ✤        20
21
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Wikipedia ws

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  • Transcript of "Wikipedia ws"

    1. 1. 2009 11 26 1
    2. 2. 7000.006000.005000.004000.003000.002000.001000.00 0 1 2
    3. 3. ✤ ✤ ✤✤ ✤ ✤ 3
    4. 4. Credibility Degree 0.4 4
    5. 5. Wikipedia 5
    6. 6. Wikipedia 5
    7. 7. Adler et al. WikiSym ’08, WWW 2007 ✤ Author A ✤ Author B ✤ Author CLifetime = lifetime 6
    8. 8. Lifetime 50 OK37.5 NG 2512.5 0 1 2 3 4 5 6 7 8 9 10 7
    9. 9. 60 =1 =167 =7 =1✤ ✤ Wikipedia : 60 ✤ 950,548 , 300 GB ✤ Wikipedian : 70 ✤ : 1 11,625 8
    10. 10. ✤ (kBytes) 3,000 2,250 ✤ 80% 1,500 (Ziph ) 750 ✤ 20% 80% 0 ID 9
    11. 11. ✤✤ 10 (x 1000 editors)✤ 9 8 7 Number of Editors 6✤Adler Uncredible editors 5 4 Credible editors 3 2 1 0 -10 -8 -6 -4 -2 0 2 4 6 8 10 (degrees) Reliability Degree ? 10
    12. 12. 1.2.3.4. 11
    13. 13. 1.2.3.4. ? 12
    14. 14. 1.2.3.4. = x -log ? 13
    15. 15. 1 0.9 0.8Spearmans rank correlation coefficient 0.7 0.6 0.5 0.4 Amount of description 0.3 Number of articles 0.2 Amount of desciption 0.1 and Number of articles 0 0 10 20 30 40 50 60 70 80 90 100 Reduction ratio of editors (%) 14
    16. 16. ✤ ✤ ✤✤ ✤ ✤ 15
    17. 17. ✤ ✤ Wikipedia ✤ 85,028 13.6%) 705,713 (Bot )✤ ✤ 98 443 ) 16
    18. 18. 1,000,000 900,000 800,000 700,000Calculation time (ms) 600,000 500,000 400,000 Amount of description 300,000 Number of articles 200,000 Amount of description and 100,000 number of articles 0 0 10 20 30 40 50 60 70 80 90 100 Decreasing ratio of editors (%) 17
    19. 19. 10 9 8 40% 7 Amount of descriptionAveraging Increaced Rank and number of articles 6 Amount of description 5 4 3 2 Number of articles 1 0 Important Editor Identification Method 18
    20. 20. ✤ ✤✤ ✤ 2% ✤ ✤ ✤ 19
    21. 21. ✤ ✤ ✤✤ ✤ ✤ 20
    22. 22. 21
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