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Supporting the Complex Dynamics of the Information Seeking Process (PhD Defense)

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PhD defense presentation (University of Amsterdam), 18 april 2018. Thesis title: Supporting the Complex Dynamics of the Information Seeking Process. Download the PDF at timelessfuture.com/phd.

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Supporting the Complex Dynamics of the Information Seeking Process (PhD Defense)

  1. 1. PhD Defense webarchiving.nl Image: Google Hugo Huurdeman, 18 April 2018 Thesis: timelessfuture.com/phd
  2. 2. Search has become the de-facto way to access the Web…
  3. 3. Search has become the de-facto way to access the Web…
  4. 4. Search has become the de-facto way to access the Web… …as well as collections of libraries, museums & archives
  5. 5. Search has become the de-facto way to access the Web… …as well as collections of libraries, museums & archives For simple tasks… “Where is the Agnietenkapel?”
  6. 6. Search has become the de-facto way to access the Web… …as well as collections of libraries, museums & archives For simple tasks… “Where is the Agnietenkapel?” …and very complex tasks “Writing a research paper”
  7. 7. however, despite the complexity of tasks,
  8. 8. however, despite the complexity of tasks,
  9. 9. support by search engines is limited however, despite the complexity of tasks,
  10. 10. support by search engines is limited 1 search box & 10 blue links however, despite the complexity of tasks,
  11. 11. How to support the complex dynamics of the information seeking process?
  12. 12. How to support the complex dynamics of the information seeking process? 1. Web archives
  13. 13. How to support the complex dynamics of the information seeking process? 1. Web archives 2. ‘Live’ web
  14. 14. §
  15. 15. Original image:A N P
  16. 16. Access: Wayback Machine
  17. 17. Access: Wayback Machine
  18. 18. How do search-based web archive access tools facilitate research? webarchiving.nl
  19. 19. How do search-based web archive access tools facilitate research? researchers webarchiving.nl
  20. 20. How do search-based web archive access tools facilitate research? researchers search
 engine webarchiving.nl
  21. 21. Findings • Search: 
 valuable addition to researcher’s toolbox • lacking transparency: 
 hiding underlying variables • lacking process support: phases in process
  22. 22. Findings • Search: 
 valuable addition to researcher’s toolbox • lacking transparency: 
 hiding underlying variables • lacking process support: phases in process researcher research activities corpus creation analysis dissemination Search system Data Web crawler
  23. 23. Findings • Search: 
 valuable addition to researcher’s toolbox • lacking transparency: 
 hiding underlying variables • lacking process support: phases in process Search system Data Web crawler
  24. 24. Would it be possible to recover 
 parts of the unarchived Web? • Harnessing additional information contained in web archive
  25. 25. Would it be possible to recover 
 parts of the unarchived Web? • Harnessing additional information contained in web archive • Estimate of which pages were missing • “Aura” of the archive Web Archive
  26. 26. Would it be possible to recover 
 parts of the unarchived Web? • Harnessing additional information contained in web archive • Estimate of which pages were missing • “Aura” of the archive • Reconstructing representations of unarchived pages Web Archive
  27. 27. Findings • Search: 
 valuable addition to researcher’s toolbox • lacking transparency: 
 hiding underlying variables • lacking process support: phases in process Search system Data Web crawler
  28. 28. Findings • Search: 
 valuable addition to researcher’s toolbox • lacking transparency: 
 hiding underlying variables • lacking process support: phases in process researcher research activities corpus creation analysis dissemination Search system Data Web crawler
  29. 29. Findings • Search: 
 valuable addition to researcher’s toolbox • lacking transparency: 
 hiding underlying variables • lacking process support: phases in process researcher research activities corpus creation analysis dissemination Search system Data Web crawler role of search?
  30. 30. • Models of information seeking describe fundamentally different macro-level stages Solution? +uncertainty- feelings thoughts actions vague focused seeking general information (exploring) seeking pertinent information (documenting) uncertainty optimism confusion clarity confidence (dis)satisfaction doubt direction FormulationInitiation Selection Exploration Collection Presentation Prefocus Focus Postfocus [Kuhlthau04,Vakkari01]
  31. 31. • Very valuable, but: difficult to translate to concrete search system functionalitymoves & tactics task progress inform pre-focus focus post-focus Information seeking models ? ? search engine functionality
  32. 32. a
  33. 33. a Wealth of potential supportive features
  34. 34. a Wealth of potential supportive features but unknown role in process
  35. 35. a Wealth of potential supportive features but unknown role in process (too many = overload)
  36. 36. • Valuable, but: difficult to translate to concrete search systems functionality Information seeking models ? ? • We need a more accurate understanding 
 of what functionality is useful when task progress inform pre-focus focus post-focus search engine functionality
  37. 37. How can different search system features support stages of the search process?
  38. 38. How can different search system features support stages of the search process?
  39. 39. How can different search system features support stages of the search process?
  40. 40. How can different search system features support stages of the search process?
  41. 41. How can different search system features support stages of the search process?
  42. 42. How can different search system features support stages of the search process?
  43. 43. How can different search system features support stages of the search process?
  44. 44. How can different search system features support stages of the search process?
  45. 45. How can different search system features support stages of the search process?
  46. 46. Control features become less useful over time Findings
  47. 47. Control features become less useful over time Informational features are generally useful in every stage Findings
  48. 48. Control features become less useful over time Informational features are generally useful in every stage The usefulness of personalisable features increases across stages Findings
  49. 49. Conclusion • Search features have different value over time • provide active and passive support
  50. 50. Conclusion • Search features have different value over time • provide active and passive support • Towards a helpful framework for complex task performance
  51. 51. Conclusion • Search features have different value over time • provide active and passive support • Towards a helpful framework for complex task performance high-level support low-level support strategems & strategies moves & tactics task progress informational features relativeimportance pre-focus focus post-focus
  52. 52. task progress pre-focus focus post-focus
  53. 53. task progress pre-focus focus post-focus Extend search when it is needed
  54. 54. task progress pre-focus focus post-focus a Extend search when it is needed
  55. 55. task progress pre-focus focus post-focus a Extend search when it is needed More dynamic support
  56. 56. Search in context libraries, museums, archives Search via learning platforms Search in commercial platforms Example applications
  57. 57. Search in context libraries, museums, archives Search via learning platforms Search in commercial platforms Example applications onderzoeksdata Search Results Timeline Aggregations Visualizations 347 archived results for onderzoeksdata, 33 unarchived results. Edit settings Help occurring words: aanvragen access afgelopen artikel belang beschikbaar bijdragen binnen buning burgers centraal cier cock creativiteit data december dient digital domein duurzaam duurzame eerste eijsvogels europese for forum gericht groot ict ier informatie informatiemaatschappij infrastructuren innovatie intellectuele jubileumcongres knowledge maatschappij media moeten mogelijk moment nationale nederlandse nieuwe noot novay nwo onder onderzoekonderzoeksdata ontwikkeling open praktijkgericht private proces professor project publiek publieke read research ringnalda steeds stimuleren stond that toegang tweede verband statistics: websites cebuco.nl open cier.nl tue.nl knaw.nl access.nl pabo.edu ncdd.nl kennisnet.nl europa-nu.nl artsennet.nl unesco categories Algemeen Wetenschap Geneeskunde Onderwijs Recht, Overheid archived results not in archive in archive temporal distribution: 2009 2010 2011 2012 Web archives
  58. 58. How to support the complex dynamics of the information seeking process? • By enhancing transparency • By increasing process support • more dynamic support for stages in the information seeking process
  59. 59. Thanks & Acknowledgements • WebART team: 
 Jaap Kamps, Richard Rogers, 
 Arjen de Vries, Anat Ben-David, Thaer Samar, Sanna Kumpulainen • National Library of the Netherlands • All collaborators & study participants • Max Wilson, University of Nottingham • Project funding by Netherlands Organization for Scientific Research. Travel grants SIGIR. • &: Everyone supporting during the process
  60. 60. Thanks! Image: Google Download: timelessfuture.com/phd

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