This is the Appendix to my Master Thesis.

 

Thesis Presentation

Interview Code

Interview Questions

SPARQL Query heatmap

 

PREFIX arch: <http://purl.org/collections/nl/dss/archangel/>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX elb: <http://purl.org/collections/nl/dss/elbing/>
PREFIX wgs: <http://www.w3.org/2003/01/geo/wgs84_pos#>
PREFIX gn: <http://www.geonames.org/ontology#>

SELECT (COUNT(?name) AS ?count) ?name ?lat ?long WHERE {
{
SELECT ?name ?lat ?long
WHERE {
?journey elb:hasDestination ?stad.
?stad owl:sameAs ?placegeo.
?placegeo wgs:lat ?lat .
?placegeo wgs:long ?long .
?placegeo gn:name ?name .
}
} UNION {
SELECT ?name ?lat ?long
WHERE {
?journey arch:hasHarbour1 ?stad.
?stad owl:sameAs ?placegeo.
?placegeo wgs:lat ?lat .
?placegeo wgs:long ?long .
?placegeo gn:name ?name .
}
}
} GROUP BY ?name ?lat ?long

 

SPARQL Query graph

 

PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX elb: <http://purl.org/collections/nl/dss/elbing/>
PREFIX arch: <http://purl.org/collections/nl/dss/archangel/>

SELECT ?year (COUNT(?elb + ?arch) AS ?count) (COUNT(?arch) AS ?carch) (COUNT(?elb) AS ?celb) WHERE {
{
SELECT * WHERE {
?elb elb:hasNormalDate ?date .
}
} UNION {

SELECT * WHERE {
?arch arch:hasNormalDate ?date .
}
}
}
GROUP BY (year(?date) as ?year)