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PARC CSL Colloquium
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PARC CSL Colloquium






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PARC CSL Colloquium PARC CSL Colloquium Presentation Transcript

  • Eyes on the World: Putting Your Photos in Context Mor Naaman Yahoo! Research Berkeley
  • Attraction Map of Paris
      • Stanley Milgram, 1976.
      • Psychological Maps of Paris
  • Attraction Map of London
      • Jaffe et al, 2006.
    View slide
  • Outline
    • Wisdom of the tags
      • mining information from geo-tagged photos
    • ZoneTag
      • your photos in context
    • Why we tag
      • a user study of tagging
    View slide
  • Alternative Outline How? What? Why?
  • Information Overload?
      • Flickr “geotagged”
  • What can we derive?
    • Dataset:
    • ( photo_id , user_id, latitude, longitude)
    • ( photo_id , tag )
      • Given all photos from a geographic region,
      • find a “representative” summary set
      • generate a meaningful visualization
  • Issues to Tackle
    • Noisy data
    • Photographer biases
      • In locations
      • In Tags
    • Wrong data
    Whatever, color, city, spectrum, santa barbara, california, usa, Lookatme, Herbert Bayer Chromatic Gate
  • Intuition
      • More “activity” in a certain location indicates importance of that location
      • Tag that are unique to a certain location can suggest importance of that location
  • (Very) Simple Example
  • Summary of San Francisco Golden Gate Bridge TransAmerica AT&T Baseball Park Golden Gate Twin Peaks Golden Gate Bay Bridge Ocean Beach Chinatown
  • Tag Maps
  • Tag Maps
  • Outline
    • Wisdom of the tags
      • mining information from geo-tagged photos
    • ZoneTag
      • your photos in context
    • Why we tag
      • a user study of tagging
  • Outline How? What? Why?
  • Another Look at the Tag Map
  • ZoneTag(?)
    • How would we:
    • Create/store?
    • Find?
    • Share?
    • Discover?
    “ Everything in the world exists to end up in a photograph” -- Susan Sontag
  • Why Cameraphones?
    • Numbers, numbers…
    • Programmable
    • Context-aware
    • Network-connected
    • Quality… it’s getting there
      • 500,000,000
    (Source: Future Image Inc.)
  • Current Mobile Experience
    • Difficult to share (or even save!)
    • Hard to find
      • No context
      • No semantic information
  • ZoneTag Experience
    • 2-click upload (same key!)
    • Photo uploaded with location and time metadata
  • ZoneTag Experience
    • Tagging made easy
      • Tag/annotate your photos from the phone
  • Where do locations come from?
    • Bluetooth GPS (when available)
    • User-contributed cell tower mapping
  • Where do tags come from?
    • Tags I used in this context (`home’)
    • Tags my friends used in this context (`Research Meeting’)
    • Tags other people used in this context (`PARC’, ‘Mor Naaman’, `This talk sucks’)
  • Where do tags come from?
    • Stuff around you:
      • Yahoo! Local
      • Upcoming.org (`Mor Naaman @ PARC’, `PARC George E. Pake Auditorium’)
    • Stuff from you (any RSS 2.0 feed):
      • Calendar ( G, Upcoming.org, Kiko ,…)
      • Favorite hangouts
  • Suggested Tags “ When I went to upload, there were already all these exotic tags like "Bill Graham Civic Auditorium" and "Bob dylan live" available...it sure was convenient to just select and go…”
  • Where do tags go?
    • Back to the original RSS items
      • Upcoming.org
    • Action Tags
      • Trigger a call to a web service
        • With parameters
      • Command line - from your phone
    Rotate:right Email:dad Group:zonetag Scanr:document
  • I’m Too Lazy (you’re not alone)
    • Tagging is the means, not the goal
    • Benefits even if you never tagged a single image
    (Bradley Horowitz, elatable.com) (?) (?) (?)
  • Things We Learned
    • “ Best” feature: 2-click upload
      • Even users that often tag
    • For some, last chance to annotate
    • Mobile tagging - not just experts, not all experts…
  • Things We Learned
    • Tagging behavior:
      • All over the place
      • More than Shozu
      • Connected to privacy
  • Outline
    • Wisdom of the tags
      • mining information from geo-tagged photos
    • ZoneTag
      • your photos in context
    • Why we tag
      • a user study of tagging
  • Outline How? What? Why?
  • Why Tag?
    • What are tags?
  • Why Tag? Bay Bridge, Fog, [San Francisco, 94105]
  • Why Tag? RedSox, Fenway, GreenMonster, [Boston, 02215], …
  • Why Tag? Liz, sunbathing, sunny, sunglasses, concrete, [Palo Alto, 94306], …
  • Tag Affordances on Flickr
    • Displayed next to photo
    • Can be used to search:
      • Your own photos
      • Others’ photos
      • Public photos
  • Tags on ZoneTag
    • By default, tags are kept from one photo to next
    • Tags used in a location will be suggested in that location
      • To you
      • To others
    • Immediate (i.e., during event)
    • Place name tags added automatically
  • User Study
    • 13 ZoneTag users (23-45, 9m, 4f)
    • All “taggers” (no use to ask non-taggers why they tag)
    • Structured interviews
  • Expected…
    • Organization/retrieval
    • Creator/synthesizer
    • “Tagging for community”
  • Found…
    • Motivation taxonomy
    • No “synthesizers”
    • Inspired by community
    • Organization/retrieval
    • Creator/Synthesizer
    • “ Tagging for community”
  • Motivation Taxonomy “ If I tagged ahead of time I can go back and get all my pictures of [my children]…” “… I then think “well, maybe I should tag this” so I can find it again later” “ I’m obsessive-compulsive”
  • Motivation Taxonomy “ I want at least one hook of association in there that can help me reconstruct…”
  • Motivation Taxonomy “ I tag photos with what I think might be interesting to other people, stuff I think people will like” “ I know that tagging can connect my photos to activities, and get more interest” “ I want to look at all [my neighborhood’s] tags. … That’s definitely a reason I’m putting these tags in ” “ ...at night, by the fires all around the market, ... at each word that one man says -- such as 'wolf', 'sister', 'hidden treasure', 'battle', 'scabies', 'lovers' -- the others tell, each one, his tale of wolves, sisters, treasures, scabies, lovers, battles.” -- Italo Calvino, Invisible Cities
  • Motivation Taxonomy “… so that my friends can see what I am up to” I can tell my mom [with the tag] “look, we went to…” “ I left reviews of places – like at the airport, when my flight was delayed, I tagged “Aloha Air sucks.”
  • Breakdown
  • Suggested Tags
    • Useful for entry, when they “work”
      • Critical mass needed
      • Better filtering
    • Inspire and give example
    • Overtagging may be issue
    “ Tag suggestions were huge for me; they really cut down on typing” “ I thought: this is how I want it to work all the time!” “ This person was in my phone for a month - who is she???” “ I try to use as many suggested tags that apply. … I also use it for auto-completion – I type “s” to get San Francisco”
  • Open Questions
    • Those who don’t…
    • Better filtering, tag suggestions
    • Longer usage trends
    • Effect of community on usage
  • Final Notes
    • All Flickr/ZT photos, Creative Commons or with author permission
    • http://www.flickr.com/photos/frozenquack/106111967/
    • http://www.flickr.com/photos/bryce_edwards/272002447/
    • http://www.flickr.com/photos/plasticbag/188818779/
    • http://www.flickr.com/photos/groovymother/131591824/
    • http://www.flickr.com/photos/deaneckles/220482624/
  • ZoneTag For All
    • Everything we can do, you can do (better?)
      • Cell ID translation
      • Suggested Tags
      • More…
    • Use ZT-technology with your app!
    • Email me
  • Thanks
    • With: Shane Ahern, Simon King, Rahul Nair, Nathan Good, Marc Davis, Morgan Ames, Dean Eckles, Alex Jaffe, Tamir Tassa
    • Download, sign up, get the full scoop:
    • http://zonetag.research.yahoo.com
    • Become an intern, get involved:
    • Email me.
    • Mor Naaman
    • [email_address]