1. Querying with SPARQL
Govinda et Lei

2. SPARQL on IMDB

3. IMDB
Object
LinkedMDB publishes linked open data using the
D2R Server. The project aims at publishing the
first open semantic web database for movies,
including a large number of interlinks to several
datasets on the open data cloud and references
to related webpages.

4. IMDB
Inerlink

5. IMDB
Accessing Data
Web browsers (see examples below)
film: http://data.linkedmdb.org/page/film
actor: http://data.linkedmdb.org/page/actor
Semantic Web browsers - entry point:
http://data.linkedmdb.org/all
SPARQL clients - SPARQL endpoint:
http://data.linkedmdb.org/sparql

6. Search film on HTML
Goto category: Film -> Disraeli
http://data.linkedmdb.org/page/film/100
Etc...

7. Query with SPARQL
Online Explorer: SPARQL Explorer
Query examples following...

8. Query with SPARQL
Select all director names
SELECT ?nameDirector WHERE {
?director movie:director_name ?nameDirector.
}ORDER BY ?nameDirector
Etc...

9. Query with SPARQL
Select a certain director "George Lucas"
SELECT ?title WHERE {
?film rdf:type movie:film ;
foaf:page ?link ;
dc:title ?title ;
movie:director ?director.
?director movie:director_name ?nameDirector.
FILTER ( regex(?nameDirector, "George Lucas","i")
&& regex(str(?link), "^http://www.imdb.com/title", "i")
)
}ORDER BY ?title

10. Query with SPARQL
Count the films produced by a certain director
SELECT count (*) WHERE {
?film rdf:type movie:film ;
foaf:page ?link ;
dc:title ?title ;
movie:director ?director.
?director movie:director_name ?nameDirector.
FILTER ( regex(?nameDirector, "George Lucas","i")
&& regex(str(?link), "^http://www.imdb.com/title", "i")
)
}ORDER BY ?title

11. Query with SPARQL
Select the films produced by a certain director
and Filter them by date
SELECT ?title ?link WHERE {
?film rdf:type movie:film ; foaf:page ?link ;
dc:title ?title ; dc:date ?date ;
movie:director ?director.
?director movie:director_name ?nameDirector.
FILTER ( regex(?nameDirector, "George Lucas","i")
&& regex(str(?link), "^http://www.imdb.com/title", "i")
&& str(?date) > "2000"
)
}ORDER BY ?title

12. SPARQL on Wordpress

13. Use Plugins
OpenLink Data Explorer
Site http://molene.enstb.org/F2B506/ index.php?sioc_type=site
Post http://molene.enstb.org/F2B506/ index.php?
sioc_type=post&sioc_id=274
Embedded RDF
auther http://molene.enstb.org/F2B506/ ?author=1
auther http://molene.enstb.org/F2B506/ ?feed=foaf&author=1

14. Query on SPARQL
SELECT ALL POSTS
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX sioc: <http://rdfs.org/sioc/ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
SELECT ?post ?title ?content ?creator ?user ?container
WHERE {
?post dc:title ?title.
?post sioc:content ?content.
?creator rdfs:label ?user
?post sioc:has_container ?container.
} ORDER BY ?title

15. Thanks !