introduction to the semantic web and foaf
play

Introduction to the Semantic Web and FOAF Gajo Petrovi c - PowerPoint PPT Presentation

Sep 02, 2022 •213 likes •1.05k views

Web 1.0 Web 2.0 Web 3.0 FOAF Introduction to the Semantic Web and FOAF Gajo Petrovi c University of Novi Sad, Faculty of Technical Sciences gajop@uns.ac.rs April 12, 2013 Gajo Petrovi c Intro: Semantic Web & FOAF Web 1.0 Web

  1. Web 1.0 Web 2.0 Web 3.0 FOAF Introduction to the Semantic Web and FOAF Gajo Petrovi´ c University of Novi Sad, Faculty of Technical Sciences gajop@uns.ac.rs April 12, 2013 Gajo Petrovi´ c Intro: Semantic Web & FOAF

  2. Web 1.0 Web 2.0 Web 3.0 FOAF Overview Web 1.0 Web 2.0 Web 3.0 Motivation Semantic Web layer cake FOAF FOAF Ontology FOAF network FOAF Use Case Gajo Petrovi´ c Intro: Semantic Web & FOAF

  3. Web 1.0 Web 2.0 Web 3.0 FOAF Web 1.0 Gajo Petrovi´ c Intro: Semantic Web & FOAF

  4. Web 1.0 Web 2.0 Web 3.0 FOAF Web 1.0 ◮ Invented 1991 Gajo Petrovi´ c Intro: Semantic Web & FOAF

  5. Web 1.0 Web 2.0 Web 3.0 FOAF Web 1.0 ◮ Invented 1991 ◮ Tim Berners-Lee Gajo Petrovi´ c Intro: Semantic Web & FOAF

  6. Web 1.0 Web 2.0 Web 3.0 FOAF Document Web Gajo Petrovi´ c Intro: Semantic Web & FOAF

  7. Web 1.0 Web 2.0 Web 3.0 FOAF Document Web ◮ Web of documents Gajo Petrovi´ c Intro: Semantic Web & FOAF

  8. Web 1.0 Web 2.0 Web 3.0 FOAF Document Web ◮ Web of documents ◮ Connected by URL (Uniform resource locator) Gajo Petrovi´ c Intro: Semantic Web & FOAF

  9. Web 1.0 Web 2.0 Web 3.0 FOAF Document Web Gajo Petrovi´ c Intro: Semantic Web & FOAF

  10. Web 1.0 Web 2.0 Web 3.0 FOAF Document Web ◮ Web for documents Gajo Petrovi´ c Intro: Semantic Web & FOAF

  11. Web 1.0 Web 2.0 Web 3.0 FOAF Document Web ◮ Web for documents ◮ Specifies looks Gajo Petrovi´ c Intro: Semantic Web & FOAF

  12. Web 1.0 Web 2.0 Web 3.0 FOAF Document Web ◮ Web for documents ◮ Specifies looks ◮ HTML, CSS Gajo Petrovi´ c Intro: Semantic Web & FOAF

  13. Web 1.0 Web 2.0 Web 3.0 FOAF Web as a simple graph Gajo Petrovi´ c Intro: Semantic Web & FOAF

  14. Web 1.0 Web 2.0 Web 3.0 FOAF Web as a simple graph ◮ Pages as graph nodes Gajo Petrovi´ c Intro: Semantic Web & FOAF

  15. Web 1.0 Web 2.0 Web 3.0 FOAF Web as a simple graph ◮ Pages as graph nodes ◮ Links as graph links Gajo Petrovi´ c Intro: Semantic Web & FOAF

  16. Web 1.0 Web 2.0 Web 3.0 FOAF Web as a simple graph ◮ Pages as graph nodes ◮ Links as graph links Gajo Petrovi´ c Intro: Semantic Web & FOAF

  17. Web 1.0 Web 2.0 Web 3.0 FOAF Web 2.0 Application Web Gajo Petrovi´ c Intro: Semantic Web & FOAF

  18. Web 1.0 Web 2.0 Web 3.0 FOAF Web 2.0 Application Web ◮ Web applications Gajo Petrovi´ c Intro: Semantic Web & FOAF

  19. Web 1.0 Web 2.0 Web 3.0 FOAF Web 2.0 Application Web ◮ Web applications ◮ AJAX, JavaScript frameworks... Gajo Petrovi´ c Intro: Semantic Web & FOAF

  20. Web 1.0 Web 2.0 Web 3.0 FOAF Web 2.0 Application Web ◮ Web applications ◮ AJAX, JavaScript frameworks... ◮ jargon Gajo Petrovi´ c Intro: Semantic Web & FOAF

  21. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Web 1.0/2.0 Machine unreadable Gajo Petrovi´ c Intro: Semantic Web & FOAF

  22. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Web 1.0/2.0 Machine unreadable ◮ Lacks semantics Gajo Petrovi´ c Intro: Semantic Web & FOAF

  23. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Web 1.0/2.0 Machine unreadable ◮ Lacks semantics ◮ No page (graph node) description Gajo Petrovi´ c Intro: Semantic Web & FOAF

  24. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Web 1.0/2.0 Machine unreadable ◮ Lacks semantics ◮ No page (graph node) description ◮ No link (graph link) description Gajo Petrovi´ c Intro: Semantic Web & FOAF

  25. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Web 1.0/2.0 Machine unreadable ◮ Lacks semantics ◮ No page (graph node) description ◮ No link (graph link) description Gajo Petrovi´ c Intro: Semantic Web & FOAF

  26. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Semantic Web Gajo Petrovi´ c Intro: Semantic Web & FOAF

  27. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Semantic Web ◮ Data Web Gajo Petrovi´ c Intro: Semantic Web & FOAF

  28. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Semantic Web ◮ Data Web ◮ Machine readable Gajo Petrovi´ c Intro: Semantic Web & FOAF

  29. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Semantic Web layer cake ◮ Layers of abstraction ◮ Hierarchy of languages Gajo Petrovi´ c Intro: Semantic Web & FOAF

  30. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Layer 0: Identifiers & Character set Unicode Display and manipulate text in most world languages. Gajo Petrovi´ c Intro: Semantic Web & FOAF

  31. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Layer 0: Identifiers & Character set Unicode Display and manipulate text in most world languages. URI Uniquely identify Web resources: ◮ URL http://example.org/people/john ◮ URN urn:issn:1535-3613 Gajo Petrovi´ c Intro: Semantic Web & FOAF

  32. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Layer 1: Syntax Gajo Petrovi´ c Intro: Semantic Web & FOAF

  33. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Layer 1: Syntax XML Structure data Gajo Petrovi´ c Intro: Semantic Web & FOAF

  34. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Layer 1: Syntax XML Structure data XML Schema Specifies type of XML document Gajo Petrovi´ c Intro: Semantic Web & FOAF

  35. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Layer 1: Syntax XML Structure data XML Schema Specifies type of XML document XML Namespace Removes ambiguity with unique naming Gajo Petrovi´ c Intro: Semantic Web & FOAF

  36. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Layer 2: Data intercharge RDF Represents a graph Statements in the form of triplets Gajo Petrovi´ c Intro: Semantic Web & FOAF

  37. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Layer 3: Taxonomies & Queries Gajo Petrovi´ c Intro: Semantic Web & FOAF

  38. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Layer 3: Taxonomies & Queries RDF Schema Vocabulary for RDF Gajo Petrovi´ c Intro: Semantic Web & FOAF

  39. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Layer 3: Taxonomies & Queries RDF Schema Vocabulary for RDF SPARQL Query language Gajo Petrovi´ c Intro: Semantic Web & FOAF

  40. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Layer 4: Ontologies & Rules Gajo Petrovi´ c Intro: Semantic Web & FOAF

  41. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Layer 4: Ontologies & Rules OWL Extends on RDFS Gajo Petrovi´ c Intro: Semantic Web & FOAF

  42. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF Layer 4: Ontologies & Rules OWL Extends on RDFS RIF/SWRL ◮ SWRL: rule language ◮ RIF: rule interchange ◮ (SQWRL for reasoning) Gajo Petrovi´ c Intro: Semantic Web & FOAF

  43. Web 1.0 Web 2.0 Motivation Web 3.0 Semantic Web layer cake FOAF An alternative look on the layer cake... Gajo Petrovi´ c Intro: Semantic Web & FOAF

  44. Web 1.0 FOAF Ontology Web 2.0 FOAF network Web 3.0 FOAF Use Case FOAF FOAF Ontology Gajo Petrovi´ c Intro: Semantic Web & FOAF

  45. Web 1.0 FOAF Ontology Web 2.0 FOAF network Web 3.0 FOAF Use Case FOAF FOAF Ontology ◮ An OWL based ontology Gajo Petrovi´ c Intro: Semantic Web & FOAF

  46. Web 1.0 FOAF Ontology Web 2.0 FOAF network Web 3.0 FOAF Use Case FOAF FOAF Ontology ◮ An OWL based ontology ◮ Ontology for the social web Gajo Petrovi´ c Intro: Semantic Web & FOAF

  47. Web 1.0 FOAF Ontology Web 2.0 FOAF network Web 3.0 FOAF Use Case FOAF FOAF Ontology Key entities ◮ Agent, Person, Group, Document, Project ◮ foaf:Agent, foaf:Person, foaf:Group, foaf:Document, foaf:Project Gajo Petrovi´ c Intro: Semantic Web & FOAF

  48. Web 1.0 FOAF Ontology Web 2.0 FOAF network Web 3.0 FOAF Use Case FOAF FOAF Ontology Key entities ◮ Agent, Person, Group, Document, Project ◮ foaf :Agent, foaf :Person, foaf :Group, foaf :Document, foaf :Project ◮ foaf namespace = http://xmlns.com/foaf/0.1/ Gajo Petrovi´ c Intro: Semantic Web & FOAF

  49. Web 1.0 FOAF Ontology Web 2.0 FOAF network Web 3.0 FOAF Use Case FOAF FOAF Ontology Key entities ◮ Agent, Person, Group, Document, Project ◮ foaf: Agent , foaf: Person , foaf: Group , foaf: Document , foaf: Project ◮ OWL classes ◮ Person is an Agent subclass ◮ Document and Project are subclasses of owl:Thing Gajo Petrovi´ c Intro: Semantic Web & FOAF

  50. Web 1.0 FOAF Ontology Web 2.0 FOAF network Web 3.0 FOAF Use Case FOAF FOAF Ontology Person properties Data properties Gajo Petrovi´ c Intro: Semantic Web & FOAF

  51. Web 1.0 FOAF Ontology Web 2.0 FOAF network Web 3.0 FOAF Use Case FOAF FOAF Ontology Person properties Data properties ◮ First name, foaf:firstName Gajo Petrovi´ c Intro: Semantic Web & FOAF

Recommend

Social Semantic Web Defining personal information and relationships in the semantic web with

Social Semantic Web Defining personal information and relationships in the semantic web with

Social Semantic Web Defining personal information and relationships in the semantic web with XFN and FOAF Contents Introduction Background and reasoning Two example approaches: FOAF (Friend of a Friend) XFN (XHTML

642 views • 32 slides
OWL: the Web Ontology Language Alun Preece http://www.csd.abdn.ac.uk/~ apreece/foaf.rdf OWL:

OWL: the Web Ontology Language Alun Preece http://www.csd.abdn.ac.uk/~ apreece/foaf.rdf OWL:

OWL: the Web Ontology Language Alun Preece http://www.csd.abdn.ac.uk/~ apreece/foaf.rdf OWL: what? Core of the World Wide Web Consortiums Semantic Web activity In various senses a successor to previous work on Web-friendly knowledge

386 views • 11 slides
Module 13 Introduction to Semantic Technology, Ontologies and the Semantic Web Module 13 Outline

Module 13 Introduction to Semantic Technology, Ontologies and the Semantic Web Module 13 Outline

Module 13 Introduction to Semantic Technology, Ontologies and the Semantic Web Module 13 Outline 10.30-12.30 Introduction to the Semantic Web Ontologies Semantic Web related standards 12.30-14.00 Lunch break 14.00-16.00 Semantic

1.14k views • 85 slides
Semantic Web: a short introduction Ivan Herman, Semantic Web Activity Lead, W3C Webelopers

Semantic Web: a short introduction Ivan Herman, Semantic Web Activity Lead, W3C Webelopers

Semantic Web: a short introduction Ivan Herman, Semantic Web Activity Lead, W3C Webelopers Day, Internet NG Conference, Isabel Plaza (Madrid), October 17, 2007 (2) > Towards a Semantic Web The current Web represents information using

722 views • 61 slides
Semantic Web 2008 Se a t c eb 008 Semantic Web ca. 2008 S ti W b 2008 Semantic Web

Semantic Web 2008 Se a t c eb 008 Semantic Web ca. 2008 S ti W b 2008 Semantic Web

Semantic Web 2008 Se a t c eb 008 Semantic Web ca. 2008 S ti W b 2008 Semantic Web companies starting & growing Siderean, SandPiper, SiberLogic, Ontology Works, Intellidimension, Intellisophic, TopQuadrant, Data Grid, Mondeca,

481 views • 23 slides
Using the Semantic Web Mathieu dAquin q What is there to use on the Semantic Web? Web?

Using the Semantic Web Mathieu dAquin q What is there to use on the Semantic Web? Web?

Using the Semantic Web Mathieu dAquin q What is there to use on the Semantic Web? Web? Technologies Systems Systems Services Infrastructures I f t t Knowledge, information, data A lot of that Introduction to the

559 views • 29 slides
What the #%*&! is the Semantic Web? The Semantic Web is a collaborative movement led by

What the #%*&! is the Semantic Web? The Semantic Web is a collaborative movement led by

What the #%*&! is the Semantic Web? The Semantic Web is a collaborative movement led by international standards body the World Wide Web Consortium (W3C).[1] ... By encouraging the inclusion of semantic content in web pages, the

578 views • 44 slides
Semantic Similarity MultiJEDI ERC 259234 Semantic Similarity Semantic Similarity Mostly

Semantic Similarity MultiJEDI ERC 259234 Semantic Similarity Semantic Similarity Mostly

SemEval 2014 Task-3 Cross-Level Semantic Similarity MultiJEDI ERC 259234 Semantic Similarity Semantic Similarity Mostly focused on similar types of lexical items Semantic Similarity What if we have different types of inputs? CLSS:

971 views • 47 slides
Motivation Bootstrapping Semantic Lexicons A semantic lexicon contains semantic category Ex:

Motivation Bootstrapping Semantic Lexicons A semantic lexicon contains semantic category Ex:

Motivation Bootstrapping Semantic Lexicons A semantic lexicon contains semantic category Ex: dog, cat, lion, unannotated texts lizard, snake assignments for words. For example: blogger HUMAN sedan VEHICLE AK-47 WEAPON N best words

344 views • 8 slides
INTRODUCTION TO Elena Simperl, University of Southampton, UK THE SEMANTIC WEB e.simp mperl@sot

INTRODUCTION TO Elena Simperl, University of Southampton, UK THE SEMANTIC WEB e.simp mperl@sot

INTRODUCTION TO Elena Simperl, University of Southampton, UK THE SEMANTIC WEB e.simp mperl@sot soton.ac.uk @esimperl rl THE BEGINNINGS The Semantic Web is no not a a sep separate We Web but an extens nsion n of the he c current

578 views • 18 slides
Introduction to Information Retrieval http://informationretrieval.org IIR 18: Latent Semantic

Introduction to Information Retrieval http://informationretrieval.org IIR 18: Latent Semantic

Singular Value Decomposition Dimensionality reduction Latent Semantic Indexing Introduction to Information Retrieval http://informationretrieval.org IIR 18: Latent Semantic Indexing Hinrich Sch utze Institute for Natural Language

1.27k views • 106 slides
Short introduction to the Semantic Web $Date: 2006/11/25 13:37:30 $ Ivan Herman, W3C Ivan

Short introduction to the Semantic Web $Date: 2006/11/25 13:37:30 $ Ivan Herman, W3C Ivan

Short introduction to the Semantic Web $Date: 2006/11/25 13:37:30 $ Ivan Herman, W3C Ivan Herman, W3C Towards a Semantic Web The current Web represents information using natural language (English, Hungarian, Chinese,) graphics, multimedia,

659 views • 50 slides
RDF, RDFS and OWL: Graph Data Models for the Semantic Web Semantic Web: The Idea Semantic

RDF, RDFS and OWL: Graph Data Models for the Semantic Web Semantic Web: The Idea Semantic

RDF, RDFS and OWL: Graph Data Models for the Semantic Web Semantic Web: The Idea Semantic Web does not mean computers are going to understand the meaning of everything on the web does mean that we can create some standards ways of

344 views • 33 slides
An Introduction to Latent Semantic Analysis Thomas K Landauer Department of Psychology

An Introduction to Latent Semantic Analysis Thomas K Landauer Department of Psychology

1 Running head: INTRODUCTION TO LATENT SEMANTIC ANALYSIS An Introduction to Latent Semantic Analysis Thomas K Landauer Department of Psychology University of Colorado at Boulder, Peter W. Foltz Department of Psychology New Mexico State

447 views • 41 slides
Knowledge Representation for the Semantic Web Lecture 1: Introduction Daria Stepanova Max Planck

Knowledge Representation for the Semantic Web Lecture 1: Introduction Daria Stepanova Max Planck

Organization Content Semantic Web Knowledge Representation KRSW Knowledge Representation for the Semantic Web Lecture 1: Introduction Daria Stepanova Max Planck Institute for Informatics D5: Databases and Information Systems group WS

765 views • 49 slides
An Introduction to Eric Rosen, Kaiyu Zheng Semantic Mapping in Robotics 3/22/2019 Outline

An Introduction to Eric Rosen, Kaiyu Zheng Semantic Mapping in Robotics 3/22/2019 Outline

An Introduction to Eric Rosen, Kaiyu Zheng Semantic Mapping in Robotics 3/22/2019 Outline Timeline of Semantic mapping Why semantic mapping (in robotics)? How? Problem definition Literature review What? (Our

1k views • 77 slides
Ralph Hodgson Realizing a semantic solution: Ontologies are like and unlike other IT models

Ralph Hodgson Realizing a semantic solution: Ontologies are like and unlike other IT models

Enterprise Architecture in SOA: Coverage Models and Methodologies Going Semantic Semantic technology May 23 rd , 2005 Enterprise architecture and semantic technology Enterprise architecture maturity model Capabilities of semantic

244 views • 9 slides
Ontologies, Description Logics and Semantic Web A Short Introduction Marek Obitko

Ontologies, Description Logics and Semantic Web A Short Introduction Marek Obitko

Ontologies, Description Logics and Semantic Web Ontologies, Description Logics and Semantic Web A Short Introduction Marek Obitko obitko@labe.felk.cvut.cz Department Of Cybernetics Faculty of Electrical Engineering Czech Technical University

886 views • 43 slides
Semantic Analysis and Semantic Roles Ling 571 Deep Processing Techniques for NLP February 10,

Semantic Analysis and Semantic Roles Ling 571 Deep Processing Techniques for NLP February 10,

Semantic Analysis and Semantic Roles Ling 571 Deep Processing Techniques for NLP February 10, 2016 Roadmap Semantic Analysis Semantic attachments Extended example Quantifier scope Earley Parsing and Semantics

588 views • 15 slides
Semantic Processing Augmenting CFGs Currying Quantifier scope Semantic Grammars L445 / L545

Semantic Processing Augmenting CFGs Currying Quantifier scope Semantic Grammars L445 / L545

Semantic Processing Semantic Representation FOPC Inference Issues Description Logics Semantic Processing Semantic Processing Augmenting CFGs Currying Quantifier scope Semantic Grammars L445 / L545 Dept. of Linguistics, Indiana

585 views • 44 slides
Introduction to Information Retrieval http://informationretrieval.org IIR 18: Latent Semantic

Introduction to Information Retrieval http://informationretrieval.org IIR 18: Latent Semantic

Latent semantic indexing Dimensionality reduction LSI in information retrieval Introduction to Information Retrieval http://informationretrieval.org IIR 18: Latent Semantic Indexing Hinrich Sch utze Institute for Natural Language

1.42k views • 75 slides
The Semantic Web Needs Anaphora Resolution Rodolfo Delmont Dipartimento Scienze del

The Semantic Web Needs Anaphora Resolution Rodolfo Delmont Dipartimento Scienze del

The Semantic Web Needs Anaphora Resolution Rodolfo Delmont Dipartimento Scienze del Linguaggio Universit Ca Foscari Ca Garzoni-Moro - San Marco 3417 - 30124 VENEZIA Outline Introduction Input to the QA Module RDFs and Semantic

846 views • 48 slides
KnowledgeWeb UPC Introduction Semantic Web Education Activities and Potential Contributions

KnowledgeWeb UPC Introduction Semantic Web Education Activities and Potential Contributions

KnowledgeWeb UPC Introduction Semantic Web Education Activities and Potential Contributions Steven Willmott Universitat Politecnica de Catalunya steve@lsi.upc.edu http://www.lsi.upc.edu/~webia/KEMLG UPC Overview KnowledgeWeb UPC Introduction

358 views • 11 slides
Align, Disambiguate, and Walk A Unified Approach for Measuring Semantic Similarity Semantic

Align, Disambiguate, and Walk A Unified Approach for Measuring Semantic Similarity Semantic

Align, Disambiguate, and Walk A Unified Approach for Measuring Semantic Similarity Semantic Similarity; how similar are a pair of lexical items? Semantic Similarity Semantic Similarity Semantic Similarity Sentence level

1.42k views • 127 slides

More recommend