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semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
semantic web-unique presentation
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semantic web-unique presentation

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i here describe the semantic web and its features in an different style, some slides will be not clear, and if downloaded you will understand it

i here describe the semantic web and its features in an different style, some slides will be not clear, and if downloaded you will understand it

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  • Transcript

    • 1. 1
      Semantic Web
      By
      Ramesh
    • 2. Proper Flight with good reputation
      A trip to China!!! Wow
      Intermediate Airline
      Lowest Fare
      Luxurious
      Intermediate
      Cheap
      2
    • 3. Initial Phase
      Chinese????
      3
    • 4. Intermediate Phase
      Languages
      Specialized site
      Social travel site
      Images
      4
    • 5. Final Phase
      Searched
      Merged
      Sorted
      5
    • 6. Is this what the site offers???
      Data Base
      6
    • 7. Web Of Data
      Standard approach
      Analogous approach
      Publish Data
      A.Com
      ****
      not be forced to make targeted
      developments
      Pen Drive
      Searching
      some.Com
      ****
      Pen Drive
      7
    • 8. Web Of Data
      DB1
      DB2
      DB3
      8
    • 9. So semantic Web is..
      Collection of Technologies
      To Realize
      “Web Of Data”
      9
    • 10. Semantic Web
      Web 2.0
      Are they same????
      Its all about people and communication
      It is focuses on machines
      10
      Standard and Technologies
      Collaboration and Sharing
    • 11. Semantic Web
      World Wide Web
      Are they Different????
      WWW
      Adds new data and metadata to existing Web documents
      Extension of Web documents to data
      Semantic Web
      Extension
      11
    • 12. So what it aims at???
      In short aims at……….
      The goal of the semantic web is to be “a web talking to machines”
      I know What you mean……
      Providing meaningful information
      Supplying the web with
      formalized knowledge in addition to its actual informal content
      Designing a framework for interoperability
      accessible by computers.
      12
    • 13. Requirements
      Realization of a semantic web will require several layers of developments
      Interoperability
      Client Devices
      Applications
      Resources
      Languages
      Infrastructure
      13
    • 14. Approaches to Semantic Web
      2
      BUSINESS & PROFESSIONAL
      Electronic commerce
      Bioinformatics
      Knowledge
      Biological data
      WWW
      Semantic Web
      PERSONAL
      Personalization
      Gathering and filtering relevant information
      14
    • 15. RDF
      Building Blocks of Semantic Web
      Semantic Web
      Ontology
      Knowledge Representation
      Languages
      Andinferences
      15
    • 16. Resource Description Framework
      RDF???
      RDF???
      METADATA
      Describes
      Developed under the guidance of the World Wide Web Consortium
      Allow developers to build search engines that rely on the metadata
      Developed by
      Developed by
      Providing interoperability among applications that exchange machine-understandable information on the Web
      site's sitemap
      dates of updates
      Developed for
      Developed for
      16
    • 17. RDF provides a model for describing resources
      RDF Data Model
      RDF Description
      Property Type3
      Property Type2
      Resource
      2
      Resource
      3
      Resource
      Property Type4
      Property Type1
      “Atomic Value”
      “Atomic Value”
      17
    • 18. An example
      Consider this statements
      "The author of Document 1 is David“
      “David is the author of Document 1"
      Property-Type
      Document1
      Author
      “David”
      Value
      Resource
      18
    • 19. One step further
      Document1
      Author_001
      Author
      Email id
      Company
      Name
      david@.com
      Some ltd
      David
      19
    • 20. Ontologies
      An ontology is a formal conceptualization of a domain that is usable by a computer
      involves an explicit description of
      domain structure
      terms used to describe the domain
      20
      Allows applications to agree on the terms when communicating
    • 21. Ontology
      lifecycle
      Conceptual Refinement
      Initial Design
      Evaluation
      Requirement analysis
      Evolution
      Ontology
      questions,
      • Creating Reusable Domain
      • 30. Lack of tools
      • 31. Key issue- Specificity and reusability
      21
    • 32. Languages and inferences
      “languages are necessary for expressing the content of the
      semantic web”
      Inference Engines
      Languages
      Standardizing syntax
      Precise Semantics
      22
    • 33. Major Challenges in Languages
      Different modeling styles
      Logic
      Objects
      Constraints from AI
      View-Queries
      Identity
      Non-ambiguous names-URI
      Identifying objects of same domain
      Modularity
      Re-use of resources
      Extracting of section on ontology
      23
    • 34. 0
      24
      Knowledge Representation
      Automated reasoning
      DB1
      sets of inference rules
      Structured collections
      of information
    • 35. 25
      Two section will be benefited when semantic web evolves
      A for????????
    • 36. 26
      Thank you

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