DS53 Business intelligence big data Course Materials & Test Answers | moodle.utbm.fr

Question 02

The value "250" may be invalid due to

surrounding whitespace/newlines being preserved.

✅

The rdf:parseType="Literal" attribute is

missing.

❌

rdf:datatype cannot be used

with custom properties.

❌

RDF/XML does not support the XSD integer namespace.

❌

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Question 01

4.

❌

3.

✅

1

❌

2.

❌

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Question 06

SELECT (COUNT(?p) AS ?res) WHERE { ?l :price ?p }

❌

SELECT (AVG(?p) AS ?res) WHERE

{ ?l :price ?p }

❌

SELECT (MAX(?p) AS ?res) WHERE

{ ?l :price ?p }

✅

SELECT (SUM(?p) AS ?res) WHERE { ?l :price ?p }

❌

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Question 03

:Oxford a :University

✅

:John a :University

❌

:Oxford a :Laboratory

❌

:John a :Professor

❌

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Question 04

We can infer

:A :isNeighborOf :C

❌

We can infer

:C :isNeighborOf :A

❌

We can infer

:B :isNeighborOf :A

❌

We can infer

that :A, :B, and :C are owl:sameAs each other.

✅

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Question 05

:anna a :Person

0%

:anna a :SeniorEmployee

0%

:emma a :SeniorEmployee

0%

:emma a :Agent

0%

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Question 09

?fax will always be bound to a value

❌

Only people with both phone and fax will appear

0%

?fax may be unbound if no data exists

0%

The query fails if the person does not have a fax

0%

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Question 08

The model becomes read-only

❌

The model executes SPARQL queries directly

❌

Only explicitly defined triples are accessible

❌

Inferred triples based on the schema are added to the model

✅

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Question 07

owl:someValuesFrom

❌

owl:FunctionalProperty

❌

owl:qualifiedCardinality

✅

owl:minCardinality

❌

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DS53 Business intelligence big data

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