Semantic Microblogging
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Semantic Microblogging

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Slides about combining semantic web technology with microblogging. Describes motivation, concepts, and experimental implementations. Includes a (very) short intro to semantic web principles.

Slides about combining semantic web technology with microblogging. Describes motivation, concepts, and experimental implementations. Includes a (very) short intro to semantic web principles.

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  • Great slideshow. thanks!
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  • a good presentation on semantic web combined with micro blogging and its use
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Semantic Microblogging Semantic Microblogging Presentation Transcript

  • Semantic Microblogging Benjamin Nowack bnode.org / semsol.com
  • Cementic? Symantec?
  • Semantics = Meaning
  • A web where computers can (better) understand what a page is about ... The Semantic Web
  • … and where they can then do more without our help. Not necessarily complex stuff.
    • Add this event to my calendar!
    • Generate an album from (only) the photos in this Activity Stream!
    • List all #mbc09 Twitter and Identi.ca users who share a friend with me!
    • What are the most popular links about microblogging on Twitter?
    • Auto-block all followers with „SEO“ or “Social Media Expert” in their profile!
  • Evolution, not Revolution! (A semantic web could enable revolutionary new apps, though)
  • A little semantics ...
    • <title>
    • PageRank
    • rel=alternate
    • Tags
    • RSS
  • We're slowly increasing the content granularity on the web
    • HTML
    • CSS
    • microformats
    • RDF / RDFa
    • ...
  • … moving from documents and links t o (arbitrary) things and their relations .
  • The “How” is a huge puzzle, though
    • Creation (NLP, annotations, wrappers, ...)
    • Publication (embedded, separate, API, formats, ...)
    • Discovery (centralized, decentralized, push, pull, ...)
    • Access / Privacy
    • Integration / Repurposing
  • Bringing microblogging into the SemWeb play (and the other way round).
  • Creating content for the semantic web is often cumbersome.
  • Writing microposts is easy and fun.
  • Microblogs mash short-term, social chatter with long-term-useful information.
  • Microblogging improves and accelerates product development, PR, and CRM (but lacks reporting/controlling) .
  • Microblog streams are the biggest productivity killer since IM and email notifications.
  • SemWeb technology enables self-describing content, querying, custom filtering, and automation.
  • The semantic web still doesn't have easy input UIs for everyday use.
  • Microblogging clients are becoming ubiquitous.
  • The semantic web uses small units to encode information. Subject > Predicate > Object Thing > Key > Value ID > Verb > Object … MBC09 > location > Hamburg
  • Microbloggers use short posts to encode information.
  • Microblogs are flexible
    • Life / Work logging
    • Conversations
    • Note taking
    • Announcements / CRM
    • Bookmarking & Tagging
    • Interest tracking
  • Microblogs are not fully Enterprise 2.0-ready yet
    • No long-term archives or backups
    • No granular privacy settings
    • No project-oriented interfaces
    • No DB-like filtering or querying
    • No integration of external data
  • A solution
  • Let's use microblogs to create structured content on the fly. Get rich filtering of “information streams” in return.
  • A semantic microblog
    • simplifies the creation of machine-readable information
    • „ knows“ what posts are about
    • enables task-specific interaction methods
    • helps with repetitive processes
  • The structure-to-opacity ratio in µPosts is already very high @joe, the new #release is out: http://bit.ly/123 by alec on 2009-01-24 ------------------------------------------------------------------------------------------------------------------------- RT @sue: I can #offer a #ride from #Berlin to the #mbc09 in #Hamburg by alec on 2009-01-24 author, @recipient, @persons, #hashtags, date, content, URLs (even without hashtags!)
  • What if we could do: @joe, the new #release is out: http://bit.ly/123 (#version=RC2 #fix=bug27 #_2h #_billable) by alec on 2009-01-24 ------------------------------------------------------------------------------------------------------------------------- Attended great #talk by #seesmic's @kaotisch (#topic=xmpp #event=mbc09 ****) by alec on 2009-01-24 ------------------------------------------------------------------------------------------------------------------------- RT @sue: I can #offer a #ride to the #mbc09 #from=Berlin #to=Hamburg by alec on 2009-01-23 ------------------------------------------------------------------------------------------------------------------------- Arrived at #mbc09 (#location=Hamburg) by alec on 2009-01-23
  • … something magic happens...
  • … and my microblog could then
    • tell me which countries I’ve been to this year
    • filter posts by tag
    • filter by machine tag key and/or value
    • generate software release notes
    • generate project reports (or even invoices)
    • recommend links or experts for some topic
    • Provide a query API
  • The challenge
  • Finding the sweet spot between simplicity and added value
    • Syntax patterns should evolve slowly, and in a bottom-up way
    • Re-use existing patterns (#tag, @person, to:group, ...)
    • UIs will need slight improvements (machine tag suggestions, filters, ...)
  • Prototypes, Demos, Experiments
  • SMOB
    • smob.sioc-project.org
    • maintained by DERI Galway
    • source available
    • tag disambiguation via RDF
      • #geo:Paris, #dbpedia:France
    • SPARQL API
  • SMOB
  • HD Streams
    • fun experiment
    • feed subscriptions based on seed tags
      • twitter, identi.ca, ma.gnolia, delicious
    • (hash)tag extraction
    • entity extraction via NLP APIs (OpenCalais, Zemanta)
    • entity expansion via dbpedia, freebase, crunchbase
    • faceted entity browsing (just a crappy proof of concept)
    • SPARQL API
    http://bnode.org/blog/2009/01/16/connecting-the-lod-dots-with-calais-4-0-and-zemanta
  • HD Streams
  • Smesher
    • semantic microblogging client with local storage
    • twitter / identi.ca integration
    • structure detection / extraction
      • hash tags, machine tags (#foo=bar), private tags (#_foo)
      • Re-tweets (leading RT), private posts (leading PP)
      • @recipient, @person
      • Ratings (e.g. ****)
      • URLs (expanded)
    • simple dashboard for custom lists and filters
    • SPARQL API
    source going to be made available at smesher.org and through a devx.com article
  • Smesher
  • Smesher (SPARQL API)