Integrating volunteers and Experts

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This presentation was given at the GLAM wiki conference held at the British Museum on the 27 - 28th November 2010. Some slides have been removed due to the image rights belonging to the finder of the Crosby Garrett Helemt.

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Integrating volunteers and Experts

  1. 1. Integrating volunteers and Experts- examplesfrom the Portable Antiquities Scheme Dan Pett TheBritish Museum dpett@britishmuseum.org
  2. 2. Portable Antiquities Scheme • 18,300 contributors of data • 660,000 objects recorded • 417,000 geo-referenced find spots • All available under CC NC- BY-SA • Driving archaeological knowledge of rural areas • Funded by DCMS • Employs 56 people • Deal with public discovery of archaeology • Started in 1997 • Costs £1.4mill per annum • IT budget c.£5000
  3. 3. Recording: one chance  Our staff generally have one chance to record  Dissemination online is swift, cheap, easy  There is no other archaeological database of this size  It is underused for research at present  The data it contains can tell a thousand stories of our shared heritage
  4. 4. Finds recorded per year Year Finds 1998 4588 1999 8200 2000 18106 2001 16368 2002 11996 2003 25464 2004 38997 2005 52188 2006 58306 2007 79010 2008 56448 2009 66515 2010 214840 0 50000 100000 150000 200000 250000 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Foot & mouth Scheme reviewed by MLA OAD go bust New database launched 2010 – imported two large datasets and one coin hoard of 53,000 objects
  5. 5. Most data is sourced from metal-detecting
  6. 6. GPS co-ordinates if possible
  7. 7. www.finds.org.uk 417,000 records 663,000 objects 18,300 people involved
  8. 8. Why is the spatial data so important? Without provenance:  A museum cannot acquire an object  Is it looted?  Did the landowner give permission?  Context has been lost, we don’t know the significance of the location of discovery.
  9. 9. All objects we have recorded • 1997 – 2010 • Topographical features drive discovery • Landowners and regulations can prevent discovery • Biases present in data collection eg. Staff illness, lack of car etc etc
  10. 10. Staff based here Here be mountains
  11. 11. Types of objects recorded 0 2000 4000 6000 8000 10000 12000 14000 16000 Metal objects Coins Lithics Pottery Other
  12. 12. Chronological distribution of finds 0 2000 4000 6000 8000 10000 12000 14000 16000 18000 20000 Stone Age Bronze Age Iron Age Rom an Early m edieval M edieval Post-m edieval
  13. 13. Method of discovery of objects recorded by PAS Metal detecting Metal detecting, eyes only Chance Fieldwalking Controlled arch. investigation
  14. 14. About us on Wikipedia
  15. 15. Sparse entry on Treasure Act
  16. 16. Wikipedia referrals – finds.org.uk March 24th – November 24th Source Visits PPV Mean visitlength Visits en.wikipedia.org 933 4.148982 4 minutes 933 en.m.wikipedia.org 14 1.571429 30 seconds 14 fr.wikipedia.org 12 4.666667 3 minutes 12 it.wikipedia.org 1 4 3 minutes 1 Disappointingly low referral rate 0.41% from 4 domains
  17. 17. Wikipedia referrals – britishmuseum.org March 24th – November 24th 2010 Referral rate 1.26% from 108 domains Source Visits Pages/Visit Avg. Time on Site Visits en.wikipedia.org 50377 6.266074 3 minutes 12 50377 ja.wikipedia.org 7911 4.82834 2 minutes 20 7911 es.wikipedia.org 4239 6.501533 3 minutes 17 4239 de.wikipedia.org 3979 6.16185 2 minutes 43 3979 ru.wikipedia.org 3790 8.004485 4 minutes 3790 fr.wikipedia.org 3166 6.502843 2 minutes 54 3166 it.wikipedia.org 1337 9.849663 4 minutes 49 1337 fa.wikipedia.org 1133 3.076787 2 minutes 33 1133 zh.wikipedia.org 994 5.385312 4 minutes 994 pt.wikipedia.org 969 6.215686 3 minutes 47 969
  18. 18. Major contributors • User:Victuallers • User:BabelStone • User:Martinevans123 • User:AgTigress (I think this is Catherine Johns of BM) • There’s more of course….. • Amazingly fast generation of stubs after we announce things • Feed data and images to wikipedians that I’ve met or know from the online social network • We let people know before the announcement about big new discoveries
  19. 19. Ringlemere gold cup
  20. 20. British Museum record
  21. 21. The Frome Hoard
  22. 22. Frome DYK stats
  23. 23. Frome (Somerset) Hoard
  24. 24. Shrewsbury Hoard
  25. 25. Staffordshire Moorlands trulla
  26. 26. Scheme record
  27. 27. Crosby Garrett Helmet • Troublesome case • No images of this were in the public domain with appropriate licence • Images sourced at auction and specifically noted for use by wikipedia (I tweeted this at the time….) •Discussion note: Here are some pictures of the auction: http://www.flickr.com/photos/finds/sets/721576 25114008100/ under cc-by. These were specifically noted by Daniel Pett from the Portable Antiquities Scheme as being made that way to help WP: http://twitter.com/#!/portableant/status/26650 916903 Witty Lama 14:11, 7 October 2010 (UTC)
  28. 28. Crosby Garrett Helmet
  29. 29. Our images in wikipedia
  30. 30. Wikimedia commons • Mostly uploaded by Victuallers after we met at the Hoxne challenge • Around 1200 images so far
  31. 31. Hoard list – many of these are first reported via PAS
  32. 32. The Newark Torc
  33. 33. Thornbury Hoard
  34. 34. The Hallaton Hoard
  35. 35. Vale of York Hoard
  36. 36. Scheme staff
  37. 37. Dbpedia – Staffordshire Hoard
  38. 38. Licences we use Attribution Non-Commercial Share Alike cc by-nc-sa Attribution Share Alike cc by-sa Attribution cc by Attribution Non-Commercial cc by-nc If you don’t like the licence we have issued on the work, contact us, we might waive it…..
  39. 39. Initial impact • 2000 conn/per sec to server on launch day • Never went offline • Experienced slow performance • Content caching helped get the site through the initial onslaught Day Pages 24/09 1,306,545 25/09 1,772,572 26/09 553,285 27/09 351,070 28/09 267,385 29/09 164,039 [..] Present ~ 25,000 Launch
  40. 40. Flickr daily views @ launch Day Flickr views 24/09 281,970 25/09 161,630 26/09 59,200 27/09 47,900 28/09 32,770 29/09 22,030 * As far as I am aware, this doesn’t include API views, of which the website made use and I used elsewhere.
  41. 41. Referrers and search [flickr] Very few people clicked through from staffordshirehoard.org.uk – were they stuck in the silo there? Always get lots of searches for our female Time Team staff
  42. 42. Flickr stats Processed from - http://stats.vispillo.org
  43. 43. BBC News front page
  44. 44. In the news
  45. 45. PREFIX owl: <http://www.w3.org/2002/07/owl#> PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX foaf: <http://xmlns.com/foaf/0.1/> PREFIX dc: <http://purl.org/dc/elements/1.1/> PREFIX : <http://dbpedia.org/resource/> PREFIX dbpedia2: <http://dbpedia.org/property/> PREFIX dbpedia: <http://dbpedia.org/> PREFIX skos: <http://www.w3.org/2004/02/skos/core#> PREFIX dbpedia-owl: http://dbpedia.org/ontology/ SELECT * FROM <http://dbpedia.org/sparql/> WHERE { ?king foaf:page <http://en.wikipedia.org/wiki/John_of_England> . OPTIONAL {?king dbpedia-owl:abstract ?abstract} . OPTIONAL {?king foaf:depiction ?depiction}. OPTIONAL {?king dbpedia-owl:thumbnail ?thumb} . OPTIONAL {?king dbpedia2:imgw ?imgw} . ?king foaf:page ?page. FILTER langMatches( lang(?abstract), "en") } LIMIT 1 Querying dbpedia for data
  46. 46. Ingested dbpedia sparql results All names correspond with wikipedia Depiction Abstract Direct link to wikipedia Complements our data for latest examples and maps of findspots etc
  47. 47. Numismatic guides Data consumed from wikipedia (via dbpedia) Latest examples found and recorded High resolution image of pristine example Instant map of findspots Lists of available denominations/mints/types etc
  48. 48. Recent news • Scheme funding cut by 15% over 4 years • Now managed by the BM and not MLA • Have recorded over 200,000 objects this year • IT budget is less than £5000
  49. 49. The end. Visit our website : www.finds.org.uk Contact me: dpett@britishmuseum.org Twitter: @portableant

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