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COINs2011

 Editorial Collaboration Networks of
Wikipedia Articles in Various Languages	





                    Takashi Iba
                   Ko Matsuzuka
                  Daiki Muramatsu
      Faculty of Policy Management, Keio University
Editorial Collaboration Networks of
Wikipedia Articles in Various Languages

  • The characteristics of collaboration patterns of
   all articles in a certain language.

  • The commonality and differences of collaboration
  patterns among Wikipedias written in various
  languages.
Editorial Collaboration Networks of
Wikipedia Articles in Various Languages


     Method: Sequential collaboration network

     Analysis 1: Comparison of 12 different languages	


     Analysis 2: Distribution of account and IP users 	


     Analysis 3: Distribution of Featured Articles
Editorial Collaboration Networks of
Wikipedia Articles in Various Languages


     Method: Sequential collaboration network

     Analysis 1: Comparison of 12 different languages	


     Analysis 2: Distribution of account and IP users 	


     Analysis 3: Distribution of Featured Articles
  Method: Sequential collaboration network

    Building a sequential collaboration network, connecting a
    relation from editor A to editor B, if editor B follows on
    work done by editor A.


                   order
              	
                    1      A                 A
                   2
                           B
                   3

                   4       A                           B

                           C                  C
                   5
Sequential Collaboration Network of Article
“Collaborative Innovation Networks” in English Wikipedia




The number of Nodes = 51
Average path length = 6.399
Sequential Collaboration Network of Article “Basel”
in English Wikipedia




The number of Nodes = 594
Average path length = 6.577
Sequential Collaboration Network of Article “Switzerland”
in English Wikipedia




The number of Nodes = 3998
Average path length = 5.468
Sequential Collaboration Network of Article “Fondue”
in English Wikipedia




The number of Nodes = 457
Average path length = 10.485
  Method: Sequential collaboration network

    Building a sequential collaboration network, connecting a
    relation from editor A to editor B, if editor B follows on
    work done by editor A.


                   order
              	
                    1      A                 A
                   2
                           B
                   3

                   4       A                           B

                           C                  C
                   5
Our Previous Study: Featured Articles in English Wikipedia



        each sequential collaboration network
             The average path length of                                                Linear graph
                                                                      2,545 articles [Jun 27 2009]




                                                The order of each sequential collaboration network
                                                      (The number of editors in each article)

T. Iba, K. Nemoto, B. Peters & P. Gloor, "Analyzing the Creative Editing Behavior of Wikipedia
Editors Through Dynamical Social Network Analysis", COINs2011, 2009
T. Iba and S. Itoh, "Sequential Collaboration Network of Open Collaboration", NetSci'09, 2009
Editorial Collaboration Networks of
Wikipedia Articles in Various Languages


     Method: Sequential collaboration network

     Analysis 1: Comparison of 12 different languages	


     Analysis 2: Distribution of account and IP users 	


     Analysis 3: Distribution of Featured Articles
 Analysis 1: Comparison of 12 different languages	


                                         Target Languages
                                          Rank 1: English
                                          Rank 2: German
                                          Rank 3: French
                                          Rank 4: Polish
                                          Rank 5: Italian
                                          Rank 6: Japanese
                                          Rank 7: Spanish
                                          Rank 8: Dutch
                                          Rank 9: Portuguese
Analyzing ALL articles as of              Rank 10: Russian
January 1st, 2011 in each language.       …
                                          Rank 15: Finnish
The ranking based on the data as of       …
January 6th, 2011.                        Rank 20: Turkish
English                                                                                     Rank 1
                                                                                            3,490,325 articles



   each sequential collaboration network
        The average path length of




                                                                         Double logarithmic graph



                                           The order of each sequential collaboration network
                                                 (The number of editors in each article)
English                                                                                     Rank 1
                                                                                            3,490,325 articles



   each sequential collaboration network
        The average path length of




                                                                         Double logarithmic graph



                                           The order of each sequential collaboration network
                                                 (The number of editors in each article)
German                                                                                      Rank 2
                                                                                            1,155,210 articles



   each sequential collaboration network
        The average path length of




                                                                         Double logarithmic graph



                                           The order of each sequential collaboration network
                                                 (The number of editors in each article)
French                                                                                      Rank 3
                                                                                            1,039,251 articles



   each sequential collaboration network
        The average path length of




                                                                         Double logarithmic graph



                                           The order of each sequential collaboration network
                                                 (The number of editors in each article)
Polish                                                                                       Rank 4
                                                                                             752,734 articles



    each sequential collaboration network
         The average path length of




                                                                          Double logarithmic graph



                                            The order of each sequential collaboration network
                                                  (The number of editors in each article)
Italian                                                                                      Rank 5
                                                                                             750,634 articles



    each sequential collaboration network
         The average path length of




                                                                          Double logarithmic graph



                                            The order of each sequential collaboration network
                                                  (The number of editors in each article)
Japanese                                                                                    Rank 6
                                                                                            718,974 articles



   each sequential collaboration network
        The average path length of




                                                                         Double logarithmic graph



                                           The order of each sequential collaboration network
                                                 (The number of editors in each article)
Spanish                                                                                     Rank 7
                                                                                            676,866 articles



   each sequential collaboration network
        The average path length of




                                                                         Double logarithmic graph



                                           The order of each sequential collaboration network
                                                 (The number of editors in each article)
Dutch                                                                                       Rank 8
                                                                                            656,079 articles



   each sequential collaboration network
        The average path length of




                                                                         Double logarithmic graph



                                           The order of each sequential collaboration network
                                                 (The number of editors in each article)
Portuguese                                                                                  Rank 9
                                                                                            638,747 articles



   each sequential collaboration network
        The average path length of




                                                                         Double logarithmic graph



                                           The order of each sequential collaboration network
                                                 (The number of editors in each article)
Russian                                                                                     Rank 10
                                                                                            627,139 articles



   each sequential collaboration network
        The average path length of




                                                                         Double logarithmic graph



                                           The order of each sequential collaboration network
                                                 (The number of editors in each article)
Finnish                                                                                      Rank 15
                                                                                             255,712 articles



    each sequential collaboration network
         The average path length of




                                                                          Double logarithmic graph



                                            The order of each sequential collaboration network
                                                  (The number of editors in each article)
Turkish                                                                                     Rank 20
                                                                                            152,262 articles



   each sequential collaboration network
        The average path length of




                                                                         Double logarithmic graph



                                           The order of each sequential collaboration network
                                                 (The number of editors in each article)
English      German     French    Polish




Italian      Japanese   Spanish   Dutch




Portuguese   Russian    Finnish   Turkish
Result of Analysis 1: Comparison of 12 different languages	


    • Scatter plot of all articles exhibits a tilted triangle
    in all languages.

    • The height of triangle gets shorter as the number of
    articles decreases.
Editorial Collaboration Networks of
Wikipedia Articles in Various Languages


     Method: Sequential collaboration network

     Analysis 1: Comparison of 12 different languages	


     Analysis 2: Distribution of account and IP users 	


     Analysis 3: Distribution of Featured Articles
 Analysis 2: Distribution of account and IP users	





                                                   IP users




                                                  Account	

                                                   users
Scatter plot of articles in English Wikipedia



      each sequential collaboration network
           The average path length of




                                                                            Double logarithmic graph



                                              The order of each sequential collaboration network
                                                    (The number of editors in each article)
Scatter plot of articles with
number of IP users / number of total editors

      each sequential collaboration network
           The average path length of




                                                                            0.0       PIP        1.0


                                                                            Double logarithmic graph



                                              The order of each sequential collaboration network
                                                    (The number of editors in each article)
Scatter plot of articles with
number of IP users / number of total editors



             PIP = 0.0         PIP = 0.1       PIP = 0.2




             PIP = 0.3         PIP = 0.4       PIP = 0.5




             PIP = 0.6         PIP = 0.7       PIP = 0.8
Scatter plot of articles with
number of IP users / number of total editors

      each sequential collaboration network
           The average path length of




                                                                            0.0       PIP        1.0


                                                                            Double logarithmic graph



                                              The order of each sequential collaboration network
                                                    (The number of editors in each article)
Result of Analysis 2: Distribution of account and IP users 	



    • Top and right area of the “triangle” in scatter plot
    consist of articles which ratios of users is high.

    • As a result, both the average path length and order
    of network can be large in these areas.




  PIP = 0.0                                             PIP = 0.6
Editorial Collaboration Networks of
Wikipedia Articles in Various Languages


     Method: Sequential collaboration network

     Analysis 1: Comparison of 12 different languages	


     Analysis 2: Distribution of account and IP users 	


     Analysis 3: Distribution of Featured Articles
 Analysis 3: Distribution of Featured Articles	





         3,372 featured articles / 3,732,033 articles
                   In English Wikipedia
Scatter plot of all articles in English Wikipedia


     each sequential collaboration network
          The average path length of




                                                                           Double logarithmic graph



                                             The order of each sequential collaboration network
                                                   (The number of editors in each article)
Scatter plot of featured articles on the all articles
in English Wikipedia

      each sequential collaboration network
           The average path length of




                                                                            Double logarithmic graph



                                              The order of each sequential collaboration network
                                                    (The number of editors in each article)
Scatter plot of featured articles on the all articles
in English Wikipedia

      each sequential collaboration network
           The average path length of




                                                                            Double logarithmic graph



                                              The order of each sequential collaboration network
                                                    (The number of editors in each article)
Result of Analysis 3: Distribution of Featured Articles	


    • Features articles are located at a certain area in the
    scatter plot.

    • It implies that there would be characteristic
    patterns of collaboration producing good results.
Editorial Collaboration Networks of
Wikipedia Articles in Various Languages


     Method: Sequential collaboration network

     Analysis 1: Comparison of 12 different languages	


     Analysis 2: Distribution of account and IP users 	


     Analysis 3: Distribution of Featured Articles
Editorial Collaboration Networks of
Wikipedia Articles in Various Languages

  • Scatter plot of all articles commonly
  exhibits a tilted triangle in all languages,
  but the height of triangle gets shorter as the
  number of articles decreases.

  • Top and right area of the “triangle” in
  scatter plot consist of articles which the
  ratios of IP users are high.

  • Features articles are located at a certain
  area in the scatter plot.
Collaborators                         “Editorial Collaboration Networks of
                                       Wikipedia Articles in Various Languages”	

                                       Contact us: e-mail to iba@sfc.keio.ac.jp	

                Takashi Iba
           Associate Professor,
Faculty of Policy Management,
                Keio University
Ph.D. in media and governance

                                       Natsumi Yotsumoto
            Ko Matsuzuka
                                      Former student of Iba Lab.
                      Iba Lab.    Faculty of Policy Management,
Faculty of Policy Management,                     Keio University
                Keio University



                                               Bui Hong Ha
        Daiki Muramatsu
                                      Former student of Iba Lab.
                      Iba Lab.    Faculty of Policy Management,
Faculty of Policy Management,                     Keio University
                Keio University

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Editorial Collaboration Networks of Wikipedia Articles in Various Languages

  • 1. COINs2011 Editorial Collaboration Networks of Wikipedia Articles in Various Languages Takashi Iba Ko Matsuzuka Daiki Muramatsu Faculty of Policy Management, Keio University
  • 2. Editorial Collaboration Networks of Wikipedia Articles in Various Languages • The characteristics of collaboration patterns of all articles in a certain language. • The commonality and differences of collaboration patterns among Wikipedias written in various languages.
  • 3. Editorial Collaboration Networks of Wikipedia Articles in Various Languages   Method: Sequential collaboration network   Analysis 1: Comparison of 12 different languages   Analysis 2: Distribution of account and IP users   Analysis 3: Distribution of Featured Articles
  • 4. Editorial Collaboration Networks of Wikipedia Articles in Various Languages   Method: Sequential collaboration network   Analysis 1: Comparison of 12 different languages   Analysis 2: Distribution of account and IP users   Analysis 3: Distribution of Featured Articles
  • 5.   Method: Sequential collaboration network Building a sequential collaboration network, connecting a relation from editor A to editor B, if editor B follows on work done by editor A. order 1 A A 2 B 3 4 A B C C 5
  • 6. Sequential Collaboration Network of Article “Collaborative Innovation Networks” in English Wikipedia The number of Nodes = 51 Average path length = 6.399
  • 7. Sequential Collaboration Network of Article “Basel” in English Wikipedia The number of Nodes = 594 Average path length = 6.577
  • 8. Sequential Collaboration Network of Article “Switzerland” in English Wikipedia The number of Nodes = 3998 Average path length = 5.468
  • 9. Sequential Collaboration Network of Article “Fondue” in English Wikipedia The number of Nodes = 457 Average path length = 10.485
  • 10.   Method: Sequential collaboration network Building a sequential collaboration network, connecting a relation from editor A to editor B, if editor B follows on work done by editor A. order 1 A A 2 B 3 4 A B C C 5
  • 11. Our Previous Study: Featured Articles in English Wikipedia each sequential collaboration network The average path length of Linear graph 2,545 articles [Jun 27 2009] The order of each sequential collaboration network (The number of editors in each article) T. Iba, K. Nemoto, B. Peters & P. Gloor, "Analyzing the Creative Editing Behavior of Wikipedia Editors Through Dynamical Social Network Analysis", COINs2011, 2009 T. Iba and S. Itoh, "Sequential Collaboration Network of Open Collaboration", NetSci'09, 2009
  • 12. Editorial Collaboration Networks of Wikipedia Articles in Various Languages   Method: Sequential collaboration network   Analysis 1: Comparison of 12 different languages   Analysis 2: Distribution of account and IP users   Analysis 3: Distribution of Featured Articles
  • 13.  Analysis 1: Comparison of 12 different languages Target Languages Rank 1: English Rank 2: German Rank 3: French Rank 4: Polish Rank 5: Italian Rank 6: Japanese Rank 7: Spanish Rank 8: Dutch Rank 9: Portuguese Analyzing ALL articles as of Rank 10: Russian January 1st, 2011 in each language. … Rank 15: Finnish The ranking based on the data as of … January 6th, 2011. Rank 20: Turkish
  • 14. English Rank 1 3,490,325 articles each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 15. English Rank 1 3,490,325 articles each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 16. German Rank 2 1,155,210 articles each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 17. French Rank 3 1,039,251 articles each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 18. Polish Rank 4 752,734 articles each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 19. Italian Rank 5 750,634 articles each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 20. Japanese Rank 6 718,974 articles each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 21. Spanish Rank 7 676,866 articles each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 22. Dutch Rank 8 656,079 articles each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 23. Portuguese Rank 9 638,747 articles each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 24. Russian Rank 10 627,139 articles each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 25. Finnish Rank 15 255,712 articles each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 26. Turkish Rank 20 152,262 articles each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 27. English German French Polish Italian Japanese Spanish Dutch Portuguese Russian Finnish Turkish
  • 28. Result of Analysis 1: Comparison of 12 different languages • Scatter plot of all articles exhibits a tilted triangle in all languages. • The height of triangle gets shorter as the number of articles decreases.
  • 29. Editorial Collaboration Networks of Wikipedia Articles in Various Languages   Method: Sequential collaboration network   Analysis 1: Comparison of 12 different languages   Analysis 2: Distribution of account and IP users   Analysis 3: Distribution of Featured Articles
  • 30.  Analysis 2: Distribution of account and IP users IP users Account users
  • 31. Scatter plot of articles in English Wikipedia each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 32. Scatter plot of articles with number of IP users / number of total editors each sequential collaboration network The average path length of 0.0 PIP 1.0 Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 33. Scatter plot of articles with number of IP users / number of total editors PIP = 0.0 PIP = 0.1 PIP = 0.2 PIP = 0.3 PIP = 0.4 PIP = 0.5 PIP = 0.6 PIP = 0.7 PIP = 0.8
  • 34. Scatter plot of articles with number of IP users / number of total editors each sequential collaboration network The average path length of 0.0 PIP 1.0 Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 35. Result of Analysis 2: Distribution of account and IP users • Top and right area of the “triangle” in scatter plot consist of articles which ratios of users is high. • As a result, both the average path length and order of network can be large in these areas. PIP = 0.0 PIP = 0.6
  • 36. Editorial Collaboration Networks of Wikipedia Articles in Various Languages   Method: Sequential collaboration network   Analysis 1: Comparison of 12 different languages   Analysis 2: Distribution of account and IP users   Analysis 3: Distribution of Featured Articles
  • 37.  Analysis 3: Distribution of Featured Articles 3,372 featured articles / 3,732,033 articles In English Wikipedia
  • 38. Scatter plot of all articles in English Wikipedia each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 39. Scatter plot of featured articles on the all articles in English Wikipedia each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 40. Scatter plot of featured articles on the all articles in English Wikipedia each sequential collaboration network The average path length of Double logarithmic graph The order of each sequential collaboration network (The number of editors in each article)
  • 41. Result of Analysis 3: Distribution of Featured Articles • Features articles are located at a certain area in the scatter plot. • It implies that there would be characteristic patterns of collaboration producing good results.
  • 42. Editorial Collaboration Networks of Wikipedia Articles in Various Languages   Method: Sequential collaboration network   Analysis 1: Comparison of 12 different languages   Analysis 2: Distribution of account and IP users   Analysis 3: Distribution of Featured Articles
  • 43. Editorial Collaboration Networks of Wikipedia Articles in Various Languages • Scatter plot of all articles commonly exhibits a tilted triangle in all languages, but the height of triangle gets shorter as the number of articles decreases. • Top and right area of the “triangle” in scatter plot consist of articles which the ratios of IP users are high. • Features articles are located at a certain area in the scatter plot.
  • 44. Collaborators “Editorial Collaboration Networks of Wikipedia Articles in Various Languages” Contact us: e-mail to iba@sfc.keio.ac.jp Takashi Iba Associate Professor, Faculty of Policy Management, Keio University Ph.D. in media and governance Natsumi Yotsumoto Ko Matsuzuka Former student of Iba Lab. Iba Lab. Faculty of Policy Management, Faculty of Policy Management, Keio University Keio University Bui Hong Ha Daiki Muramatsu Former student of Iba Lab. Iba Lab. Faculty of Policy Management, Faculty of Policy Management, Keio University Keio University