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Integrating volunteers and Experts



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 ...

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 Integrating volunteers and Experts Presentation Transcript

    • Integrating volunteers and Experts - examples from the Portable Antiquities Scheme
      Dan PettThe British Museum
    • 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
    • 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
    • Finds recorded per year
      New database launched
      2010 – imported two large datasets and one coin hoard of 53,000 objects
      Foot & mouth
      OAD go bust
      Scheme reviewed by MLA
    • Most data is sourced from metal-detecting
    • GPS co-ordinates if possible
    • www.finds.org.uk
      417,000 records 663,000 objects 18,300 people involved
    • 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.
    • 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
    • Here be mountains
      Staff based here
    • Types of objects recorded
    • Chronological distribution of finds
    • Method of discovery of objects recorded by PAS
    • About us on Wikipedia
    • Sparse entry on Treasure Act
    • Wikipedia referrals – finds.org.ukMarch 24th – November 24th
      Disappointingly low referral rate 0.41% from 4 domains
    • Wikipedia referrals – britishmuseum.orgMarch 24th – November 24th 2010
      Referral rate 1.26% from 108 domains
    • Major contributors
      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
    • Ringlemere gold cup
    • British Museum record
    • The Frome Hoard
    • Frome DYK stats
    • Frome (Somerset) Hoard
    • Shrewsbury Hoard
    • Staffordshire Moorlands trulla
    • Scheme record
    • 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/72157625114008100/ 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/26650916903 Witty Lama 14:11, 7 October 2010 (UTC)
    • Crosby Garrett Helmet
    • Our images in wikipedia
    • Wikimedia commons
      • Mostly uploaded by Victuallers after we met at the Hoxne challenge
      • Around 1200 images so far
    • Hoard list – many of these are first reported via PAS
    • The Newark Torc
    • Thornbury Hoard
    • The Hallaton Hoard
    • Vale of York Hoard
    • Scheme staff
    • Dbpedia – Staffordshire Hoard
    • Licences we use
      Attribution Non-Commercial Share Alikecc by-nc-sa
      Attribution Share Alikecc by-sa
      Attributioncc by
      Attribution Non-Commercialcc by-nc
      If you don’t like the licence we have issued on the work, contact us, we might waive it…..
    • 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
    • Flickr daily views @ launch
      * As far as I am aware, this doesn’t include API views, of which the website made use and I used elsewhere.
    • Referrers and search [flickr]
      Always get lots of searches for our female Time Team staff
      Very few people clicked through from staffordshirehoard.org.uk – were they stuck in the silo there?
    • Flickr stats
      Processed from - http://stats.vispillo.org
    • BBC News front page
    • In the news
    • 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
    • Ingested dbpediasparql results
      All names correspond with wikipedia
      Direct link to wikipedia
      Complements our data for latest examples and maps of findspots etc
    • Numismatic guides
      High resolution image of pristine example
      Data consumed from wikipedia (via dbpedia)
      Latest examples found and recorded
      Lists of available denominations/mints/types etc
      Instant map of findspots
    • 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
    • The end.
      Visit our website : www.finds.org.uk
      Contact me: dpett@britishmuseum.orgTwitter: @portableant