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Metadata en Techniek
            vanuit perspectief van Edurep




http://flic.kr/p/8uULf8   Wim Muskee – Stichting Kennisnet
Edurep?
maakt leermiddelen vindbaar




                              http://flic.kr/p/5mTkg
http://flic.kr/p/8kxWiu




      aanbieders leermiddelen
webpagina's, online documenten, boeken,
                leskisten
metadata




           http://flic.kr/p/5wtWtD
metadata verzamelen
     OAI-PMH




                  http://flic.kr/p/8tWBqS
http://flic.kr/p/8V8H7U




               indexeren, zoekbaar maken
index
                    per veld een doorsnede




http://flic.kr/p/aJKUYT
http://flic.kr/p/7CuYAo




tekst: relevantie bepalen
http://flic.kr/p/7CuYAo




relatieve voorkomendheid
http://flic.kr/p/58dE4P




vocabulaires: filteren
http://flic.kr/p/4WFik9




numeriek waarden: sorteren
API, voorbereiden voor vinden
         SRU/SRW




                        http://flic.kr/p/aAyaQM
http://flic.kr/p/3ioQjm

                          publiek
zoekvraag




            http://flic.kr/p/b7yQW
alles

edurep




         http://flic.kr/p/7AXNfY
trefwoord = fiets

      edurep




                    http://flic.kr/p/7AXNfY
alleen sector = HBO

          edurep




    HBO




                      http://flic.kr/p/7AXNfY
sector = HBO of sector = WO

               edurep




         HBO
                    WO




                         http://flic.kr/p/7AXNfY
sector = HBO of sector = WO

               edurep




         HBO
                    WO




                         http://flic.kr/p/7AXNfY
trefwoord = fiets en (sector = HBO
         of sector = WO)

                  edurep




            HBO
                       WO




                            http://flic.kr/p/7AXNfY
kennis nodig van metadata velden




http://flic.kr/p/bW6TwE
gebruikersinterface: keuzes en vorm




http://flic.kr/p/6e7uqr
gegevens per resultaat
●   titel (en link)           ●   studielast
●   beschrijving              ●   eindgebruiker
●   trefwoorden               ●   objecttype
●   kosten                    ●   leeftijdsgroep
●   bestandstype              ●   reviews
●   leerdoel(en)              ●   gemiddelde beoordeling
●   vak(ken)                  ●   rechten
●   leerniveau(s)
                              ●   relaties naar andere resultaten
●   uitgever
●   auteur(s)
●   publicatiedatum



                                                      http://flic.kr/p/7AXNfY
http://flic.kr/p/7AXNfY
vocabulaire waarden




                      http://flic.kr/p/7AXNfY
vocabulaire voorbeeld
                scheiding mens en machine




            ●   leerling/student
            ●   leerling           of
            ●   lerende

http://flic.kr/p/7AXNfY             http://commons.wikimedia.org/wiki/File:Graduate.svg
identifiers




              http://flic.kr/p/9sb91Y
identifiers   http://flic.kr/p/cZGq8L
identifiers




              http://flic.kr/p/8G5jBk
identifiers




              http://flic.kr/p/7AXNfY
identifier context
                     IANA mime types




                         http://flic.kr/p/7AXNfY
dezelfde context?




                    http://flic.kr/p/7AXNfY
urn:isbn:978-90-01-83272-8




                                                                           review

                                                                      auteur: linkdin id?

                               NL-LOM

                            format: text/html
                            vak: 7afbb7a6...
                            auteur: linkdin id?




      IANA                                          OBK
text/html: webpagina                         7afbb7a6... : wiskunde

                                                                            http://flic.kr/p/7AXNfY
                       http://commons.wikimedia.org/wiki/File:Wikisource-books-missing-scan.png
youtube:xxAFh-qHPPA   uri:http://youtu.be/xxAFh-qHPPA




      NL-LOM                  NL-LOM




                                          http://flic.kr/p/7AXNfY
samenvattend
●   waarde van de metadata wordt bepaald door
    gedeelde betekenis

●   aangesloten partijen delen dezelfde vocabulaires
●   identifiers centraal opslaan en delen
●   identifiers voor meer soorten informatie
    –   auteurs
    –   uitgevers



                                               http://flic.kr/p/7AXNfY
vragen?




          http://flic.kr/p/7AXNfY

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Metadata en Techniek van perspectief van Edurep