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Miten Linked Data –aineistojatuotetaanjajulkaistaan? Kim Viljanen Semanttisen laskennan tutkimusryhmä SeCo Aalto-yliopisto kim.viljanen@tkk.fi
Webin ”killer app” on web itse= valtava määrä informaatiota, joka löytyy yhdestä osoitteesta ja jossa sivujen välillä on linkkejä
Voiko saman ilmiön toistaa tietokannoille ja -kokoelmille, joita maailma on pullollaan?Siten, että tieto olisi yhteismitallisessa, yhteenlinkittyneessä muodossa sovellusten käytettävissä?
Esimerkiksi: mitenSuomenmuseoidendatattulisijulkaistamuidenkäyttöön? Espoo Vaasa Turku Oulu Kuopio
...sitenettä ne rikastavattoisiaan? Espoo Vaasa Turku Oulu Kuopio
Kulttuuri-sampo X Y Espoo Vaasa Turku Oulu Kuopio ...siten että syntyisi uusia sovelluksia tämän aineiston päälle?
PM Gordon Brown, 22.3.2010”the next generation of the web is called the semantic web, or the web of linked data.[it] is a simple concept, but has the potential to be just as revolutionary – just as disruptive to existing business and organisational models – as the web was itself.” ”Speech on Building Britain’s Digital Future” http://www.number10.gov.uk/Page22897
Miten datat julki? Kaksi tasoa.
Ihmisten taso
datan  omistaja internet
datan  omistaja linked data -sovellus
datan  omistaja datan  omistaja linked data -sovellus datan  omistaja
datan  omistaja datan  omistaja linked data -sovellus datan  omistaja
datan  omistaja linked data -sovellus datan  omistaja datan  omistaja loppukäyttäjä
linked data -sovellus datan  omistaja linked data -sovellus datan  omistaja datan  omistaja linked data -sovellus Jotta sovelluksia alkaisi syntymään: ,[object Object]
data houkuttelevaan muotoon
rahaa, resursseja, ...
kysyntää,[object Object]
Missä muodossa data julki:- PDF?- Excel?- HTML?- XML?- JSON?- Mikroformaatit?- SQL-rajapinta?- Web Service?- ...?
Missä muodossa data julki:- PDF?- Excel?- HTML?- XML?- JSON?- Mikroformaatit?- SQL-rajapinta?- Web Service?- ...? Linked Data
http://www.yso.fi/onto/koko/p35193
”kalavalmiste” http://www.yso.fi/onto/koko/p58 http://www.kalatehdas.fi/purkki12345
eräänlainen sisältää http://www.yso.fi/onto/koko/p58 http://www.yso.fi/onto/koko/p35193 http://www.kalatehdas.fi/purkki12345
eräänlainen sisältää http://www.yso.fi/onto/koko/p58 http://www.yso.fi/onto/koko/p35193 http://www.kalatehdas.fi/purkki12345 Kätevä kieli: RDF (Resource description framework)
How to Publish Linked Data on the WebBizer & al.
1. Linked Data –periaatteet- kohteiden yksilöinti: URI- esityskieli: RDF (tai RDFa)
Kala RDF/Turtle-muodossa <http://www.yso.fi/onto/koko/p35193>       rdf:type yso-meta:Concept , afo:AFOConcept ;       rdfs:subClassOf <http://www.yso.fi/onto/koko/p48176> ;       owl:equivalentClass afo:kala , yso:p907 ;       skos:prefLabel "kala"@fi , "fish"@en , "fisk"@sv ;       skos:related <http://www.yso.fi/onto/koko/p48097> , <http://www.yso.fi/onto/koko/p35463> , <http://www.yso.fi/onto/koko/p738> , <http://www.yso.fi/onto/koko/p4908> , <http://www.yso.fi/onto/koko/p45714> , <http://www.yso.fi/onto/koko/p58> ;       afo:cc  afo:C60_elintarviketieteet , afo:C80_ymparistonsuojelu ;       om:definedConcept ysa:Y1674 .
2. URI:en muotoilu- pysyviä (tai pitkäikäisiä)- HTTP-muotoisia- jotka palauttavat lisätietoaEsimerkki: ”kala” http://www.yso.fi/onto/koko/p35193
3. skeemat/sanastot - hyödynnä olemassa olevia suosituksia, esimerkiksi: Dublin core –metatietomalli- jos luot uusia: suhteuta ne olemassa oleviin Mitä tietoja tähän liittyy?
Mistä löytyy ”kala”?
ONKI - aina ajantasalla www.yso.fi
4. URI:n paluuarvoMitä osoitteesta ”http://www.kalatehdas.fi/purkki12345” saa?
eräänlainen sisältää http://www.yso.fi/onto/koko/p58 http://www.yso.fi/onto/koko/p35193 http://www.kalatehdas.fi/purkki12345
5. linkitys datan  omistaja datan  omistaja datan  omistaja
6. julkaiseminen - RDF-tiedosto- SPARQL
7. testaus(=miltä datasi näyttää RDF-selaimilla)
8. hei maailma!- miten mainostat omaa dataasi?
Tärkein tapa mainostaa:sisääntulevat linkit!(vrt. nykyinen web)
Kohti yhdistettyä avointa tietoa...
Antikvaria-ryhmä Suomen Linked Data -edelläkävijät
Antikvaria-ryhmä Suomen Linked Data -edelläkävijät
Kansainvälinen Linked Open Data (2009)
Maailman Linked Open Data (2015?)
...jonka avulla voidaan luoda ennennäkemättömiä sovelluksia
Mikä on Linked Open Data Killer App?
Kulttuurisampo: Partamuotia 1800-luvun lopun Suomessa eri lähteistä kerättyä aineistoa Kulttuurisammossa

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Miten Linked Data -aineistoja tuotetaan ja julkaistaan

Editor's Notes

  1. http://flickr.com/photos/tommyh/2991836182/
  2. http://www.msnbc.msn.com/id/26646919/
  3. http://www.burningwell.org/gallery2/v/Animals/fish/P3290022.jpg.html?g2_imageViewsIndex=1
  4. http://dontplaywithyourfood.net/images/posts/tunapasta.jpg
  5. http://www.publicdomainpictures.net/view-image.php?picture=book&amp;image=591&amp;large=1
  6. http://www.publicdomainpictures.net/view-image.php?picture=book&amp;image=591&amp;large=1
  7. http://www.publicdomainpictures.net/view-image.php?picture=book&amp;image=591&amp;large=1