알기 쉬운 Linked Open Data 알기 쉬운 Linked Open Data

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  • Linked Open Data

    Linked Open Data

  • . 1.

    2.

    . 1. Semantic Web Linked Open Data

    2. Linked Open Data = Linked Data + Open Data

    3. Linked Open Data Web

    4. LOD

    5. ? LOD ?

    6. 5

    7.

    8. .

    10

    12

    14

    18

    20

    27

    29

    35

    6

    7

  • CONTENTS

    . 40

  • . 1.

    2.

  • 6 |

    1

    (Big Data), (Linked Data), (Open Data)

    (Data) .

    - 21 2 (data is the new oil)1) ,

    , , , , .

    -

    , , .

    , (Linked Open Data : LOD) ,

    ,

    .

    , , (,

    2014 2)) LOD

    .

    Linked Open Data LOD

    LOD LOD

    ,

    , LOD

    .

    1)Clive Humby, ANA Senior marketers summit, 2006(http://ana.blogs.com/maestros/2006/11/data_is_the_new.html)

    2)http://koreadb.data.go.kr/

  • Linked Open Data | 7

    2

    . -

    ,

    LOD LOD

    .

    1. Semantic Web Linked Open Data : LOD

    Semantic Web LOD .

    2. Linked Open Data = Linked Data + Open Data : LOD

    .

    3. Linked Open Data Web : LOD

    .

    4. LOD :

    LOD .

    5. ? LOD ? :LOD ,

    -(Tim Berners-Lee) 5 (Five Star Open Data)

    .

    6. 5 : Five Star Open Data 5

    (LOD) .

    7. : 4 ,

    RDF .

    8. : LOD

    .

  • . 1. Semantic Web Linked Open Data

    2. Linked Open Data = Linked Data + Open Data

    3. Linked Open Data Web

    4. LOD

    5. ? LOD ?

    6. 5

    7.

    8. .

  • 10 |

    1 Semantic Web

    Linked Open Data

    Linked Open Data Semantic Web

    . Semantic Web .

    Semantic Web Linked Open Data , Linked Open

    Data Semantic Web

    .

    (Web, World Wide Web)

    (Tim Berners-Lee) Semantic Web .

    ,

    .3)

    .

    , , . ,

    (web of documents)

    .

    , ( )

    ,

    ()

    .

    3)Berners-Lee, T., Hendler, J., & Lassila, O. (2001). The semantic web. Scientific american, 284(5), 28-37.

  • Linked Open Data | 11

    ,

    .

    ,

    .

    , Linked Data

    RDF, SPARQL, OWL, SKOS

    .4)

    Linked Open Data

    . (,

    machine)

    , Linked Open Data

    .

    4)http://www.w3.org/standards/semanticweb/

  • 12 |

    2 Linked Open Data = Linked Data + Open Data

    Linked Open Data Linked Data Open Data . Linked Data

    Open Data

    . LOD

    .

    Open Data

    , .(Open Knowledge

    Foundation, 2012)5)

    - (Availability and Access) :

    ,

    . .

    - (Reuse and Redistribution) :

    , (

    ) .

    - (Universal Participation) : , ,

    . , ( )

    .

    5)Open Knowledge Foundation. (2012). Open Data Handbook Documentation. Retrieved from http://opendatahandbook.org/en/

  • Linked Open Data | 13

    Linked Data

    (publishing)

    .6)

    - Linked Data HTTP, RDF, URIs

    () (machine readable and processable)

    - Linked Data

    Linked Open Data

    (web of documents)

    (web of data) .

    ,

    .

    . LOD

    .

    6)http://tomheath.com/papers/bizer-heath-berners-lee-ijswis-linked-data.pdf

  • 14 |

    3 Linked Open Data

    7) Web

    LOD LOD

    . LOD

    .

    LOD ,

    .

    Hypertext, HTML, HTTP,

    URI.

    ,

    7)(platform) . LOD , , .

    http://ko.wikipedia.org/wiki/

    Hypertext, Hyperlink

    HTML

  • Linked Open Data | 15

    (Hypertext) ,

    . HTML

    .

    HTML .

    HTML

    ( ) HTTP

    .

    (address) URL URI

    . URI

    (identifier).

    LOD

    (Hypertext, HTML, HTTP, URI) . LOD

    (document) (:)

    . (:

    , )

    .

    LOD Hypertext, HTML

    . RDF

    (interlinking) .

    HTML web of documents

    web of data .

    HTML (web of documents)

    .

  • 16 |

    (web of documents)

    HTML

    HTML .

    .

    (web of data)

    (_City)

    : Class:

    , . : http://schema.org/CityCity : ()

    Data

    : :

    Data

    : : 100,210km

    ()City :, ,

    : , , , , : :

    ,: 50,912,264:

    :

    , , , ,

    :

  • Linked Open Data | 17

    (web of data)

    HTML HTML

    . LOD . LOD

    HTML (

    ) ()

    .

    .

    ,

    , .

    .

    ,

    .

    ,

    () .

    LOD .

    .

  • 18 |

    4 LOD

    - .

    .

    .

    .

    . .

    ,

    .

    ?

    . .

    .

    1

  • Linked Open Data | 19

    ( )

    .

    apple,

    .

    2

    .

    3. Linked Open Data Web LOD

    HTML (syntax) (description)

    , ( : , , , ,

    )

    .

    , , ( : , , , , ,

    ) .

    ,

    LOD

    .

    apple

  • 20 |

    5 ? LOD ?

    , , (),

    .

    .

    Linked Open Data Linked Data Open Data

    Linked Data .

    .

    Tim Berners-Lee Five Star Open Data8)

    .

    Five Star Open Data

    8) : http://5stardata.info/, : http://5stardata.info/kr/

    OL: On-Line [ ]RE: machine Readable [ ]OF: Open Format [ ]OF: Open Format [ ]URI: URI LD: Linked Data

  • Linked Open Data | 21

    (OL: On-Line)

    ( )

    .

    PDF .

    (OL, RE: machine REadable)

    , ()

    .

  • 22 |

    ,

    .

    (OL, RE, OF: Open Format)

    ,

    .

    ,

    CSV .

    (OL, RE, OF: Open Format, URI)

    URI

    .

  • Linked Open Data | 23

    RDFa . HTML

    . .

    -------------------------------------------

    -------------------------------------------

    , (Seoul)

    (metro) (Place) .

    ()

    () (Place)

    (Seoul) .

  • 24 |

    -------------------------------------------

    2012 2 5

    -4

    -------------------------------------------

    , resource=#forecast20120205

    URI , (metro)

    (predicted)

    , xsd:dateTime

    .

    (OL, RE, OF: Open Format, URI, LD: Linked Data)

    .

    4

    .

  • Linked Open Data | 25

    -------------------------------------------

    -------------------------------------------

    4 dbpedia

    .

    -------------------------------------------

    (C)

    -------------------------------------------

  • 26 |

    wikipedia, dbpedia

    dbpedia Celsius

    .

    4 5 .

    2012 2 5 -4

    .

    .

    .

    , ,

    .

    4

    5

    , ()

    . 5 ,

    , .

    .

    ,

    . ,

    .

    ,

    .

    .

    , () , ,

    , .

    .

  • Linked Open Data | 27

    6 5

    5 () LOD

    .

    1 ~ 3

    ,

    .

    , .

    A B

    . A B

    , ,

    .

    ,

    .

    A B

    ,

    ()

    A B

    name

    sex

    fullname

    gender

    ()

    ()

    birthday 0000-00-00

    g

    birthday 0000 00 00

    ()

  • 28 |

    .

    .

    .

    .

    .

    LOD

    . LOD

    (Global Database)

    .

    ()

    . (syntax)

    , (semantics)

    .

    5

    .

    LOD LOD ,

    .

  • Linked Open Data | 29

    7

    Tim Berners-Lee 49) .

    (web of data) .

    (web of documents)

    .

    URI . ,

    .

    . URI

    . LOD

    URI .

    .

    URI : dbpedia.org/page/Seoul

    URI : dbpedia.org/page/Computer

    HTTP

    . HTTP

    . LOD

    HTTP .

    HTTP URI : http://dbpedia.org/page/Seoul

    HTTP URI : http://dbpedia.org/page/Computer

    9)http://www.w3.org/DesignIssues/LinkedData.html

  • 30 |

    LOD HTTP

    RDF, SPARQL . URI

    RDF(S), SPARQL

    . RDF(S), SPARQL .

    RDF LOD .

    HTML(,

    Syntax) . LOD

    . ,

    HTML LOD RDF.

    RDF Resource Description Framework . Resource URI

    , . ,

    ,

    Resource. Description Resource

    . Framework .

    RDF (, )

    , . RDF SPO

    . SPO , , .

    HTTP URI

  • Linked Open Data | 31

    RDF = (Subject) - (Predicate) - (Ojbect)

    (Subject) , (Resource)

    . URI . , ,

    .

    RDF

    RDF . .

    RDF

    RDF .

    1

    .

    . . , , , ,

    (Predicate)

    (Subject)(Object)

    (Predicate)

  • 32 |

    .

    .

    (literal) .

    URI .

    . ,

    .

    ,

    . LOD

    (Class)

    .

    LOD

    . .

    LOD

    .

    2

    URI .

    creator creator

    dc:creator . dc:creator

    .

    http://www.ktvshow.kr/Infinite_

    Challenge

    dc:creator

  • Linked Open Data | 33

    LOD RDF

    .

    () , ()

    .

    RDF

    SPARQL . SPARQL Simple

    Protocal and RDF Query Language . LOD

    .

    SQL(Structured Query Language) .

    SPARQL .

    KData(http://kdata.kr) SPARQL Endpoint

    http://homepage.kr

    1 30

    http://www.imbc.com/broad/tv/ent/challenge/main.html

  • 34 |

    (link) .

    LOD

    . .

    ()

    .

    LOD .

    LOD

    . , RDF

    LOD .

    http://ko.dbpedia.org/page/

    http://ko.dbpedia.org/page/

  • Linked Open Data | 35

    8 .

    . -

    LOD

    .

    LOD (Web)

    .

    LOD RDF

    ,

    .

    RDF , , (triple)

    .

    , ,

    .

    .

    ,

    ,

    .

    .

    ?

    (

    ) .

  • 36 |

    RDF

    RDF

    . RDF .

    .

    RDF 2

    . , ()

    () .

    . () (

    )

    . RDFS(RDF Schema), OWL(Web Ontology Language)

    RDF, RDFS, OWL

    .

    ?

  • Linked Open Data | 37

    .

    () ,

    ()

    .

    RDF 2

    LOD

    () (, , )

    .

    .

    LOD RDF, RDFS, OWL

    .

    .

    .

    :

    O

  • .

  • 40 |

    . Big Data, Linked Data, IoT, Open Data, Gov3.0

    .

    ,

    .

    LOD

    . LOD ,

    (, machine),

    .

    LOD ? ?

    LOD ,

    .

    . ,

    .

    LOD

    . LOD

    .

    . LOD ,

    .

    , , , , , .

    LOD

    .

    ( )

    .

  • Linked Open Data | 41

    . LOD

    LOD

    LOD . , LOD

    .

    ,

    .

    LOD .

    (LOD) .

    .

    , , ,

    , , ,

    LOD

    .

    LOD

    LOD

    .

    . LOD

    ()

    .

    ,

    .

  • 2015 4

    2015 4

    , , , ,

    LOD MOU

    14

    (02) 2131-0114

    ()

    Linked Open Data

    1. LOD MOU .

    2. , .

    LOD MOU : , , , , , , , , ( )

    -LOD-153-225.PDF.pdf

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