Herbert Van De Sompel - Time Travel for the Web

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  • Research on ephemeral web shows the numbers.
  • There’s good reasons for this: link robustness. But …
  • Starts with having to know about web archives. And where they are. Then start searching.
  • Wayback machine software!
  • Herbert Van De Sompel - Time Travel for the Web

    1. 1. Time Travel for the Web<br />Herbert Van de Sompel<br />@hvdsomp<br />http://public.lanl.gov/herbertv/<br />Michael L. Nelson<br />Robert Sanderson<br />Lyudmila Balakireva<br />Harihar Shankar<br />Scott Ainsworth<br />Winner of the<br />2010 Digital Preservation Award<br />http://mementoweb.org/<br />
    2. 2. An important part of the future Web is its past.<br />
    3. 3. The Web has become <br />a major carrier of our cultural record.<br />
    4. 4. But the Web has a bad case of amnesia.<br />
    5. 5.
    6. 6. http://demorgen.be<br />Dec 10 2010 18:34:11 GMT<br />http://demorgen.be<br />Dec 11 2010 14:48:11 GMT<br />
    7. 7. Significant parts of our cultural record <br />become inaccessible.<br />
    8. 8. The Good News: Pockets of the Past Web exist.<br />
    9. 9. Past resource versions are available on the Web:<br /><ul><li>Content Management Systems;
    10. 10. Web Archives;
    11. 11. Transactional archives;
    12. 12. Search engine caches.</li></li></ul><li>Dec 20 2001, 4:51:00 UTC<br />Sep 11 2001, 20:36:10 UTC <br />Past Resource Versions<br />http://web.archive.org/web/20010911203610/http://www.cnn.com/<br />archived resource for <br />http://cnn.com<br />http://en.wikipedia.org/w/index.php?title=September_11_attacks&oldid=282333<br />archived resource for<br />http://en.wikipedia.org/wiki/September_11_attacks<br />
    13. 13. The Bad News: Navigating the Past Web sucks.<br />
    14. 14. Finding Past Resource Versions<br />Go to http://www.archive.org/and search<br />http://cnn.com<br />Onhttp://web.archive.org/web/*/http://cnn.com, select desired datetime<br />
    15. 15. Finding Past Resource Versions<br />Go to <br />http://en.wikipedia.org/wiki/September_11_attacks <br />and click History<br />Browse History<br />
    16. 16. Dec 20 2001, 4:51:00 UTC<br />current<br />Navigating Past Resource Versions<br />Pentagon<br />http://en.wikipedia.org/w/index.php?title=September_11_attacks&oldid=282333 archived resource for http://en.wikipedia.org/wiki/September_11_attacks<br />http://en.wikipedia.org/wiki/The_Pentagon<br />
    17. 17. Sep 11 2001, 21:38:55 UTC<br />Sep 11 2001, 20:36:10 UTC <br />Navigating Past Resource Versions<br />SPACE<br />http://web.archive.org/web/20010911213855/www.cnn.com/TECH/space/<br />http://web.archive.org/web/20010911203610/http://www.cnn.com/ archived resource for http://cnn.com<br />
    18. 18. Memento wants to make it easy<br />to access the Web of the Past.<br />
    19. 19. Tate Online<br />Today<br />Select Date<br />March 16 2008<br />Tate Online<br />March 16 2008<br />From<br />National Archives<br />
    20. 20. Memento achieves this by technically integrating<br />the present Web and the past Web.<br />
    21. 21. Memento’s core components:<br /><ul><li>The abstract notion of the state of a resource as it existed in the past: datetime as a uniform resource version indicator;
    22. 22. A bridge between present and past: link and content negotiation;
    23. 23. A bridge between past and present: link.</li></li></ul><li>original resource and versions<br />
    24. 24. bridge from present to past<br />
    25. 25. bridge from past to present<br />
    26. 26. memento<br />
    27. 27. original resource provides no link<br />
    28. 28. client – server interaction<br />
    29. 29. original resource gone<br />
    30. 30. original resource’s server gone<br />
    31. 31. multiple archives<br />
    32. 32. Memento Time Travel is real fun.<br />Try it! Download the FireFox plug-in.<br />
    33. 33. Memento Time Travel is really powerful.<br />Time-Series via HTTP follow-your-nose.<br />
    34. 34. memento<br />
    35. 35. memento<br />Original Resource: http://lanlsource.lanl.gov/pics/picoftheday.png<br />
    36. 36. Time Travel across Versions of a Picture of the Day<br />Data collected through HTTP Navigation<br />
    37. 37. memento<br />Original Resource: http://dbpedia.org/resource/France<br />
    38. 38. Time-Series Analysis across DBpedia Versions<br />Data collected through HTTP Navigation<br />
    39. 39. Memento standardization started via the IETF.<br />First public comment was from Tim Berners-Lee.<br />
    40. 40. https://datatracker.ietf.org/doc/draft-vandesompel-memento/<br />
    41. 41. Memento tools are emerging.<br />Both client-side and server-side.<br />
    42. 42. http://mementoweb.org/tools/<br />
    43. 43. If you agree the Web’s Past<br />is important to its Future: support Memento! <br />
    44. 44. Blog, Tweet, Share, Like, implement, deploy.<br />Slap a Memento sticker on your laptop. <br />
    45. 45. Time Travel for the Web<br />Herbert Van de Sompel<br />@hvdsomp<br />http://public.lanl.gov/herbertv/<br />Michael L. Nelson<br />Robert Sanderson<br />Lyudmila Balakireva<br />Harihar Shankar<br />Scott Ainsworth<br />Winner of the<br />2010 Digital Preservation Award<br />http://mementoweb.org/<br />

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