Machine Tags

Machine Tags Dr. Harry Chen CMSC 491S/691S February 27, 2008

Agenda ,[object Object],[object Object],[object Object],[object Object]

Traditional tags ,[object Object]

Tagging Model ,[object Object],User Resources Tags

What else can you say about “photo-1293”? Resources Relates to a YouTube video (link?) John Smith is in this picture (homepage?) Taken on 2007/12/03 @ 10:00PM Johnny is the photographer (homepage?) Relates to a family trip (trip’s homepage?) Location Piccadilly Square (latitude/longitude?)

Describing and relating resources ,[object Object],[object Object],[object Object],[object Object],What’s an “ad-hoc” property?

Machine Tags ,[object Object],+ = http://www.flickr.com/groups/api/discuss/72157594497877875/

Triple Model ,[object Object],Subject Predicate (Property) Object (Value) Johnny Photo-1923 takenBy

Machine Tag Syntax ,[object Object],[namespace] : [predicate] = [object] Subject Predicate (Property) Object (Value) Where is the “Subject” in the syntax?

Machine Tag example Resource Predicate Object Johnny Smith Photo-1923 foo:takenBy [namespace] : [predicate] = [object] foo : takenBy = “Johnny Smith”

Describing location information Subject Predicate Object Photo-1923 geo:locality Piccadilly Square [namespace] : [predicate] = [object] geo:locality=“piccadilly square”

Relating resources ,[object Object],Subject Predicate Object Photo-1923 upcoming:event http://upcoming.yahoo.com/event/1393 upcoming:event=1393

I machine-tagged, but what use? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],What’s your experience with Machine Tags?

Interesting use of Machine Tags What camera did u use? About the airplane

Machine Tags for selling books http://adactio.com/journal/1274/ amazon:asin=1234567890 book:isbn=1234567890 http://learningtheworld.eu/2007/amazon-machine-tags/

Relating Flickr photos with a blog post http://adactio.com/journal/1274/ Collective intelligence?

Machine Tag for field-based search ,[object Object],[object Object]

Machine Tag for building taxonomy? ,[object Object]

Relating resources to RDF/OWL Geonames.ORG http://sws.geonames.org/5352844/about.rdf geonames:feature=5352844 http://www.geospatialsemanticweb.com/2007/03/28/geonames-machine-tags

Shortcomings of the Machine Tags ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Where is your kid? ,[object Object],[object Object],[object Object],[object Object],[object Object],Who is John? Power Station?

Machine Tags in Gnizr ,[object Object],[object Object],[object Object]

DB Table: “tag” id tag count

BookmarkManager BookmarkManager GeonamesTagListener ForUserListener geonames:[location] for:[username] bookmark added updated deleted notify notify

GeonamesTagListener.java Find all “machine tags” of  gn:geonames=[location] Get the latitude and longitude pair for [location] from Geonames.org. Add POINT(lng,lat) about a bookmark to the DB.

Listen for new Machine Tags Extend from BookmarkListener Add new listeners to the BookmarkManager

Summary ,[object Object],[object Object],[object Object]

Machine Tags

Empfohlen

Empfohlen

Weitere ähnliche Inhalte

Andere mochten auch

Andere mochten auch (8)

Ähnlich wie Machine Tags

Ähnlich wie Machine Tags (20)

Mehr von hchen1

Mehr von hchen1 (10)

Kürzlich hochgeladen

Kürzlich hochgeladen (20)

Machine Tags