Algorithm 2: Obtaining the artwork The_Starry_Night.

1 import RDF libraries

2 g = Graph()

3 g.read(“database_emotions.ttl”, format=“ttl”)

4 g.add_namespace(“emo”, “http://www.emonto.org/ (accessed on 18 December 2020)”)

5 qres = g.query(“SELECT ?emotion_l

6            WHERE {

7            ?emotion a emo:Emotion ;

8            ?emotion emo:emotionValue

9            ?emotion_l .

10          ?event a emo:Event ;

11          ?event emo:produces ?emotion ;

12          ?event emo:isCausedBy

13          ?object.

14          ?object a emo:Object ;

15          ?object rdfs:label “The_Starry_Night” .

16 }”)