Social indexing at  Stockholm public library Harriet Aagaard Looking at the Past and Preparing for the Future Florence, 20...
 
 
 
 
Search from Google Search for ”Flyga drake recension” (review)
Search from Google Search for ”Flyga drake recension” (review)
Biblioteket.se and tagging <ul><li>Betaversion 2007-02-15. Available only for staff (”librarians”) </li></ul><ul><li>2008-...
Tags <ul><li>Unique tags </li></ul><ul><li>2006 -2007 1221 </li></ul><ul><li>2008   602 </li></ul><ul><li>2009 – June, 15 ...
1399 tags are only used once <ul><li>Total number of unique tags: 2139 </li></ul><ul><li>Total number of tagging: 5325 </l...
Ann Arbor district library <ul><li>Possible to tag for 2 1/2 years  </li></ul><ul><li>22000 unique tags  </li></ul><ul><li...
Ann Arbor district library <ul><li>The possibility to tag has been there for 2 1/2 years.  </li></ul><ul><li>22000 unique ...
Questions <ul><li>Which tags were used? </li></ul><ul><li>Who sets tags? </li></ul><ul><li>Why do users set tags? </li></u...
Method <ul><li>Too little information and not easy to get </li></ul><ul><li>Tags, date & time, number of use </li></ul><ul...
Search for non-librarians <ul><li>s </li></ul>64 reviews 1 tag
A typical non-tagger? Young female Reviews No tags
Librarians – non-librarians <ul><li>More than 60% of the tags are made by librarians </li></ul><ul><li>Most likely a lot m...
 
Tag categories <ul><li>All 2139 tags have been studied and classified </li></ul><ul><li>92 (4.3%)   Private tags, e.g. “To...
Subject tags <ul><li>1923 subject tags </li></ul><ul><li>106 (5.5%)    Genre </li></ul><ul><li>152 (7.9%)    Geography </l...
Comparison to Subject headings <ul><li>Stockholm public library </li></ul><ul><li>Subject headings for  </li></ul><ul><li>...
Different grammatical form <ul><li>17.3% of all subject tags </li></ul><ul><li>25.4% of non-librarians’ subject tags </li>...
Tags for multi words and phrases <ul><li>Tags are separated by space – only single words </li></ul><ul><li>Users want to c...
The 66 most popular tags used more than 10 times <ul><li>Usage Tag </li></ul><ul><li>145 Öknar (Deserts) </li></ul><ul><li...
Mediatype tagged <ul><li>41 (62%) fiction </li></ul><ul><li>33 (50%) non-fiction </li></ul><ul><li>19 (29%) film (dvd, vhs...
Comparison to subject headings <ul><li>(10 tags were for private use or reflected personal opinions) </li></ul><ul><li>56 ...
Different tags <ul><li>Activities_with_children (12) useful for parents </li></ul><ul><li>Children_in_danger (13)  Several...
Why do users tag? Why don’t they tag? No users contacted me about tagging
Non-librarian users <ul><li>2 focus-groups </li></ul><ul><li>A) Players of role-playing games (4 persons, 15-20 years old)...
Non-librarian users <ul><li>2 focus-groups </li></ul><ul><li>A) Players of role-playing games (4 persons, 15-20 years old)...
Non-librarian taggers <ul><li>8 people were asked to tag 10-20 tags </li></ul><ul><li>5 did tag  </li></ul><ul><li>1 wrote...
Non-librarian taggers <ul><li>None had tagged before </li></ul><ul><li>Difficult but interesting (4) </li></ul><ul><li>Qui...
Tagging is not easy
Users <ul><li>Most users do not want to tag! </li></ul><ul><li>Difficult </li></ul><ul><li>Cannot see the use of tags </li...
Open libraries http://oppnabiblioteket.se <ul><li>Creating API’s for </li></ul><ul><li>Part 1.Sharing librarians’ reviews ...
Jönköping university library uses the API for Boktips.net
Future improvements <ul><li>Multi term tags: Las Vegas </li></ul><ul><li>Help forming tags  </li></ul><ul><ul><li>How to t...
 
 
 
 
 
Conclusion <ul><li>> 60 % of the tags were set by librarians  </li></ul><ul><li>Users find tagging less attractive than re...
[email_address] www.biblioteket.se
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Social indexing at Stockholm public library 20090821

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Presentation held at "Looking at the past and preparing for the future", Firenze 2009-08-21

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Social indexing at Stockholm public library 20090821

  1. 1. Social indexing at Stockholm public library Harriet Aagaard Looking at the Past and Preparing for the Future Florence, 2009-08-21
  2. 6. Search from Google Search for ”Flyga drake recension” (review)
  3. 7. Search from Google Search for ”Flyga drake recension” (review)
  4. 8. Biblioteket.se and tagging <ul><li>Betaversion 2007-02-15. Available only for staff (”librarians”) </li></ul><ul><li>2008-02-15 tagging is open for all patrons </li></ul><ul><li>Login to tag. </li></ul><ul><ul><li>1st time: create alias & agree to rules </li></ul></ul>
  5. 9. Tags <ul><li>Unique tags </li></ul><ul><li>2006 -2007 1221 </li></ul><ul><li>2008 602 </li></ul><ul><li>2009 – June, 15 316 </li></ul><ul><li>Total no. tags 2139 </li></ul><ul><li>Umeå district library 4300 </li></ul><ul><li>Ann Arbor district library 22000 </li></ul>
  6. 10. 1399 tags are only used once <ul><li>Total number of unique tags: 2139 </li></ul><ul><li>Total number of tagging: 5325 </li></ul><ul><li>The most popular tag has been used 145 times </li></ul>
  7. 11. Ann Arbor district library <ul><li>Possible to tag for 2 1/2 years </li></ul><ul><li>22000 unique tags </li></ul><ul><li>Used on 11000 titles </li></ul><ul><li>Set by 537 different users </li></ul><ul><li>Around 5 % of the records have tags </li></ul><ul><li>Less than 1 % of the users have set tags </li></ul>
  8. 12. Ann Arbor district library <ul><li>The possibility to tag has been there for 2 1/2 years. </li></ul><ul><li>22000 unique tags </li></ul><ul><li>Used on 11000 titles </li></ul><ul><li>Set by 537 different users </li></ul><ul><li>Around 5 % of the records have tags </li></ul><ul><li>less than 1 % of the users have set tags </li></ul>
  9. 13. Questions <ul><li>Which tags were used? </li></ul><ul><li>Who sets tags? </li></ul><ul><li>Why do users set tags? </li></ul><ul><li>Do users set different tags from librarians? </li></ul><ul><li>Compare tags to subject headings </li></ul>
  10. 14. Method <ul><li>Too little information and not easy to get </li></ul><ul><li>Tags, date & time, number of use </li></ul><ul><li>Categorized all tags </li></ul><ul><li>Studied the 66 most popular tags </li></ul><ul><li>Set up 2 focusgroups </li></ul><ul><li>A small group of non-librarians have tagged </li></ul>
  11. 15. Search for non-librarians <ul><li>s </li></ul>64 reviews 1 tag
  12. 16. A typical non-tagger? Young female Reviews No tags
  13. 17. Librarians – non-librarians <ul><li>More than 60% of the tags are made by librarians </li></ul><ul><li>Most likely a lot more! </li></ul><ul><li>27 non-librarians </li></ul><ul><li>Difficult to say anything conclusive </li></ul>
  14. 19. Tag categories <ul><li>All 2139 tags have been studied and classified </li></ul><ul><li>92 (4.3%) Private tags, e.g. “To_read” </li></ul><ul><li>124 (5.8%) Tags reflecting personal opinions, e.g. “Smashing” </li></ul><ul><li>1923 (89.9%) Subject tags </li></ul><ul><li>Most tags reflect subjects and are not for private use or personal opinions. </li></ul><ul><li>Among the tags set by known non-librarians (27), 9.9 % reflected opinions and no tags were for private use. </li></ul>
  15. 20. Subject tags <ul><li>1923 subject tags </li></ul><ul><li>106 (5.5%) Genre </li></ul><ul><li>152 (7.9%) Geography </li></ul><ul><li>32 (1.7%) Prizes and awards </li></ul><ul><li>1633 (84.9%) Other </li></ul>
  16. 21. Comparison to Subject headings <ul><li>Stockholm public library </li></ul><ul><li>Subject headings for </li></ul><ul><li>Non-fiction 1932- (LCSH) </li></ul><ul><li>Fiction 1990- </li></ul>
  17. 22. Different grammatical form <ul><li>17.3% of all subject tags </li></ul><ul><li>25.4% of non-librarians’ subject tags </li></ul><ul><li>62.9% singular form ”dog” instead of ”dogs” </li></ul><ul><li>12.3% adjectives ”Violent” </li></ul><ul><li>24,8% other differences </li></ul>
  18. 23. Tags for multi words and phrases <ul><li>Tags are separated by space – only single words </li></ul><ul><li>Users want to create words and phrases </li></ul><ul><li>To become well </li></ul><ul><li>To </li></ul><ul><li>Become </li></ul><ul><li>Well </li></ul><ul><li>Bad for consistency </li></ul><ul><li>Las Vegas: Las_Vegas, LasVegas, Las-Vegas </li></ul>
  19. 24. The 66 most popular tags used more than 10 times <ul><li>Usage Tag </li></ul><ul><li>145 Öknar (Deserts) </li></ul><ul><li>139 klassiker </li></ul><ul><li>87 fantasy </li></ul><ul><li>65 Origami </li></ul><ul><li>55 Bör-läsas (Should be read) </li></ul><ul><li>48 humor </li></ul><ul><li>48 kärlek (Love) </li></ul><ul><li>46 Hugo-vinnare (A literary prize) </li></ul><ul><li>42 provläs (Read to see if you like it) </li></ul><ul><li>41 Krig (War) </li></ul><ul><li>40 Relationer </li></ul><ul><li>… </li></ul>
  20. 25. Mediatype tagged <ul><li>41 (62%) fiction </li></ul><ul><li>33 (50%) non-fiction </li></ul><ul><li>19 (29%) film (dvd, vhs) </li></ul><ul><li>5 (7.6%) music (cd) </li></ul><ul><li>Each tag can be used on more than one mediatype . </li></ul>
  21. 26. Comparison to subject headings <ul><li>(10 tags were for private use or reflected personal opinions) </li></ul><ul><li>56 subject tags </li></ul><ul><li>29 (51.8%) Identical </li></ul><ul><li>6 (10.7%) Almost identical </li></ul><ul><li>7 (12.5%) More specific </li></ul><ul><li>11 (37.9) More common </li></ul><ul><li>3 (5.4%) Different </li></ul>
  22. 27. Different tags <ul><li>Activities_with_children (12) useful for parents </li></ul><ul><li>Children_in_danger (13) Several subjects headings: Childabuse, Mobbing, Immigrant girls </li></ul><ul><li>Alternative-history (13) </li></ul>
  23. 28. Why do users tag? Why don’t they tag? No users contacted me about tagging
  24. 29. Non-librarian users <ul><li>2 focus-groups </li></ul><ul><li>A) Players of role-playing games (4 persons, 15-20 years old) </li></ul><ul><li>B) Players of other games (5 persons, all 17 years old) </li></ul><ul><li>Did not tag </li></ul><ul><li>Used the library, but not the website </li></ul><ul><li>Did not search the catalogue for fiction </li></ul><ul><li>Sceptical to user supplied information </li></ul><ul><li>“ Only people that like a book writes about it” </li></ul><ul><li>“ Librarians write better reviews” </li></ul><ul><li>Preferred descriptions to reviews </li></ul><ul><li>Preferred subject headings to tags </li></ul><ul><li>Books take a long time to read… </li></ul>
  25. 30. Non-librarian users <ul><li>2 focus-groups </li></ul><ul><li>A) Players of role-playing games (4 persons, 15-20 years old) </li></ul><ul><li>B) Players of other games (5 persons, all 17 years old) </li></ul><ul><li>Did not tag </li></ul><ul><li>Used the library, but not the website </li></ul><ul><li>Did not search the catalogue for fiction </li></ul><ul><li>Sceptical to user supplied information </li></ul><ul><li>“ Only people that like a book writes about it” </li></ul><ul><li>“ Librarians write better reviews” </li></ul><ul><li>Preferred descriptions to reviews </li></ul><ul><li>Preferred subject headings to tags </li></ul><ul><li>Books take a long time to read… </li></ul>
  26. 31. Non-librarian taggers <ul><li>8 people were asked to tag 10-20 tags </li></ul><ul><li>5 did tag </li></ul><ul><li>1 wrote reviews ”neaded more words” </li></ul><ul><li>2 found it too difficult & timeconsuming </li></ul>
  27. 32. Non-librarian taggers <ul><li>None had tagged before </li></ul><ul><li>Difficult but interesting (4) </li></ul><ul><li>Quite easy (1) </li></ul><ul><li>Would have liked more information about how to tag </li></ul><ul><li>Tagging is not easy, but some people like to tag </li></ul>
  28. 33. Tagging is not easy
  29. 34. Users <ul><li>Most users do not want to tag! </li></ul><ul><li>Difficult </li></ul><ul><li>Cannot see the use of tags </li></ul><ul><li>Most librarians love to tag </li></ul>
  30. 35. Open libraries http://oppnabiblioteket.se <ul><li>Creating API’s for </li></ul><ul><li>Part 1.Sharing librarians’ reviews </li></ul><ul><li>Part 2. Sharing user supplied reviews, ratings and tags </li></ul><ul><li>Cooperation between public libraries, university libraries and Libris </li></ul>
  31. 36. Jönköping university library uses the API for Boktips.net
  32. 37. Future improvements <ul><li>Multi term tags: Las Vegas </li></ul><ul><li>Help forming tags </li></ul><ul><ul><li>How to tag </li></ul></ul><ul><ul><li>Online suggestions </li></ul></ul><ul><li>Make tags more visible: </li></ul><ul><ul><li>Tagclouds </li></ul></ul><ul><ul><li>From My loans etc. </li></ul></ul><ul><li>Sharing tags with other libraries. Öppna bibliotek. </li></ul>
  33. 43. Conclusion <ul><li>> 60 % of the tags were set by librarians </li></ul><ul><li>Users find tagging less attractive than reviews and ratings </li></ul><ul><li>Few users set tags </li></ul><ul><li>Still useful – the Long Tail </li></ul><ul><li>Tags set by non-librarians differ from subject headings – but how much? </li></ul><ul><li>Tags do not replace subject headings </li></ul>
  34. 44. [email_address] www.biblioteket.se

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