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

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

22. Agreement between ontologies

23. Semi-automatic mechanism

24. Deployment

25. Maintenance

26. Management

27. Creating Domain

28. Analyzing the resources

30. Lack of tools

31. Key issue- Specificity and reusability21

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