Howto

Programma

1. Data uploaden
2. Data downloaden
3. Metadata gebruiken
4. Data gebruiken
5. Data vinden
6. Data applicaties bouwen

[1] Data uploaden

[2.1] Data downloaden: Web site

[2.2] Data downloaden: Web Service

http://download.lodlaundromat.org/MD5

[2.3] Data downloaden: Frank

$ frank documents
$ frank statements

[3.1] Metadata gebruiken

Widgets

[3.2] Metadata: dereference

http://lodlaundromat.org/resource/MD5

[3.3] Metadata: endpoint

[3.3] Metadata: endpoint

prefix llo: <http://lodlaundromat.org/ontology>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
select distinct ((?duplicates/xsd:double(?duplicates+?triples)) as ?relative) ?url {
 ?dataset
   llo:duplicates ?duplicates;
   llo:triples ?triples;
   llo:url ?url.
   filter(?triples > 0)
}
order by desc(?relative)
limit 50

Run query

[3.4] Metadata: frank

$ ./frank documents --minTriples=1000 --maxTriples=10000

[4.1] Data gebruiken

LOD Wardrobe

[4.1] Data gebruiken: Web site

http://ldf.lodlaundromat.org/MD5

[4.2] Data gebruiken: Web service

http://ldf.lodlaundromat.org/MD5

Parameters

• subject
• predicate
• object

[5.1] Data vinden: namespace

[5.2] Data vinden: resource

[6] Data-intensieve applicaties bouwen

• Frank
• Java library

Cheatsheet

[1] Data uploaden

LOD Basket

[2] Data downloaden

http://download.lodlaundromat.org/MD5

[3] Metadata gebruiken

Endpoint

[4] Data gebruiken

http://ldf.lodlaundromat.org/MD5

[5] Data vinden

http://index.lodlaundromat.org

[6] Data applicaties bouwen

• https://github.com/LOD-Laundromat/Frank
• https://github.com/LOD-Laundromat/GettingStartedJava