What%20is%20the%20Semantic%20Web?%20(A%20mostly%20pictorial%20tour)

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What is the Semantic Web?(A mostly pictorial
tour)

• Prof. James Hendler
• Hendler_at_cs.umd.edu
• http//www.cs.umd.edu/hendler
• http//www.mindswap.org

Presentations, Downloads and Demos
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Information Convergence

• Convergence not just in devices, also in
  information
• Your personal information (phone, PDA,)
  Calendar, photo, home page, files
• Your professional life (laptop, desktop,
  Grid) Web site, publications, files, databases,
  
• Your community contexts (Web) Hobbies, blogs,
  fanfic, social networks
• The Web teaches us that people will work to share
• How do we CREATE, SEARCH, and BROWSE in the
  non-text based parts of our lives?

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Getting there Make Web content more
machine-readable!
Lassila et al, 2002
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The Semantic Wave
YOU ARE HERE
(Berners-Lee, 03)
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Now.

• RDF, RDFS and OWL are ready for prime time
• Designs are stable, implementations maturing
• Major Research investment translating into
  application development and commercial spinoffs
• Adobe 6.0 embraces RDF
• IBM releases tools, data and partnering
• HP extending Jena to OWL
• Tucana announces results for 1B triple queries
• Proprietary OWL ontologies for vertical markets
• c.f. pharmacology, HMO/health care, ... Soft
  drinks
• Several new starts in SW space

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Now huge potential

• Data integration identified as 100Bs world-wide
  market
• with significant govt interest creating a
  user-pull
• Ontology development efforts, in OWL, aimed at
  information mgt ongoing in US govt include
• NIST, NLM, EPA, DHS, DoD, DOJ, FDA, NIH, USGS,
  NOAA
• Huge potential follow-on market - EAI for the
  small business
• making external data and info resources
  integrable
• Could do for integration what Visicalc (excel)
  did for report generation

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Now Tools for tool builders

• Like the pre-MOSAIC WWW
• but, it is much easier to get started than it
  was even a year ago,
• Parsers, APIs, triple-stores
• http//www.daml.org/tools
• http//www.w3.org/RDF
• End to end no longer takes a miracle
• Prototype OWL website took three undergraduates
  about 1 month.
• End user tools just starting to emerge
• Metaphors growing

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Tools for markup...
PhotoStuff Demo
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Not tied to specific domains
Photo from Grecia
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Not tied to specific domains
Photo from Grecia
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Semantic Web Application Portals
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Info views
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Not tied to specific domains
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Not tied to specific domains
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Not tied to specific domains
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With Info Contexts
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Shared calendars
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Calendar photos
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Social networkse.g. Friend of a Friend (FOAF)

• Say stuff about yourself (or others) in OWL
  files, link to who you know

ltfoafPersongt ltfoafnamegtJim
Hendlerlt/foafnamegt ltfoaftitlegtDrlt/foaftitle
gt ltfoaffirstNamegtJimlt/foaffirstNamegt
ltfoafsurnamegtHendlerlt/foafsurnamegt
ltfoafmbox_sha1sumgt be972c7a602683f7cf3c7a1fd094
9c565debe4d3 lt/foafmbox_sha1sumgt
ltfoafhomepage rdfresource"http//www.cs.umd.edu
/hendler"/gt ltfoafdepiction
rdfresource"http//www.semanticgrid.org/q-iantbl
jim.jpg"/gt ltfoafworkplaceHomepage
rdfresource"http//owl.mindswap.org"/gt
ltfoafknowsgthttp//www.cs.umd.edu/jen/foaf.rdflt/f
oafknowsgt lt/foafPersongt
Estimates of the number of Foaf users range from
2M-5M
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Using FOAF in other contexts
Jennifer Golbeck
http//trust.mindswap.org
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Coming sooner than you may think
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and this
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and this?
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EmergingSemantic Web Services
Information management capabilities
Discovery, Filtering, Composition
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Semantics and services
OWL-S grounding (coming to WSDL 2.0)
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Get a BN price (In Euros)
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Of a particular book
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In its German edition?
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(No Transcript)
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Later Automated composition
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Longer term? Adding Proof
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The Policy Aware Web
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Conclusion

• The Semantic Web is here
• The question isnt if, but how much
• Semantic Web technologies have a promising future
  and an exciting potential
• The business case is emerging
• Enterprise integration on the Web
• Database, image, and services as 1st class Web
  citizens
• Portal technology in the small
• The future feed is exciting
• Rules and Proof -gt Policy Aware Web

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MIND SWAP

• Maryland Information and Network Dynamics
  Laboratory, Semantic Web and Agents Project
• J. Hendler
• B. Parsia
• Jennifer Golbeck
• Aditya Kalyanpur
• David Wang
• Daniel Krech
• Evren Sirin
• Corporate Research Partners
• Fujitsu Laboratory of America, College Park
• Lockheed Martin Advanced Technology Laboratories
• NTT Corp
• SAIC Corp., Kevric Corp, Top Quadrant, Tucana,
  Semaview
• Govt Funding
• US Army Research Laboratory, NSF, DARPA, DoD,
  NIST,
• http//www.mindswap.org (OWL-powered Semantic
  Web page)

Ronald Alford Jordan Katz Amy Alford
Matt Westhoff Kendall Clark Nada Hashmi