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Upcoming Exam Details and Feedback Request for Tuesday, July 17

Attention students! The next exam is scheduled for Tuesday, July 17, from 10 AM to 12 PM. If you haven't registered yet, please do so as soon as possible. We also want your input on the evaluation of the course material. Many found the exercises challenging, and we believe additional tutorial hours could benefit understanding. Please share your comments about the difficulty level, clarity of tutor explanations, and the need for more examples. Your feedback is essential for improving the educational experience.

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Upcoming Exam Details and Feedback Request for Tuesday, July 17

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  1. Sheet 11 SPARQL

  2. Organization • Exam next Tuesday 17.07.07 (10-12) --- A9 • Register if you have not yet registered • Evaluation • Difficult or Too difficult (around 70%) • Make sense to have tutorial hours (around 70%) • Exercise helps to understand the lecture (100%) • Tutor explanation clear (ok [30%]-good [60%]) • Size of room (not too important) • Other comments: • Exercises too difficult and take too much time • Group work • Mistakes in exercises • More examples in tutorial • Tutorial with PC

  3. @prefix xs: <http://www.w3.org/2001/XMLSchema#> . @prefix : <http://www.cgnm.de/rdf/family#> . :Anne :age "45"^^xs:integer; :marriedTo :Bert ; :motherOf :Clara, :Dennis . :Bert :age "49"^^xs:integer; :marriedTo :Anne ; :fatherOf :Clara, :Dennis . :Clara :age "24"^^xs:integer; :marriedTo :Emil; :motherOf :Fred, :Gisa . :Dennis :age "22"^^xs:integer. :Emil :age "27"^^xs:integer; :marriedTo :Clara; :fatherOf :Fred, :Gisa . :Fred :age "2"^^xs:integer. :Gisa :age "1"^^xs:integer.

  4. prefix : <http://www.cgnm.de/rdf/family#> select distinct ?x where { { ?x :fatherOf ?y, ?z } union { ?x :motherOf ?y, ?z } ---------- | x | ========== | :Clara | | :Anne | | :Emil | | :Bert | ---------- prefix : <http://www.cgnm.de/rdf/family#> select distinct ?x where { { {?x :motherOf ?y . ?x :motherOf ?z } union {?x :fatherOf ?y . ?x :fatherOf ?z } } FILTER (?y != ?z) }

  5. prefix : <http://www.cgnm.de/rdf/family#> select distinct ?person where { ?person :age ?age optional {?person :fatherOf ?child} optional {?person :motherOf ?child} filter ( !bound(?child) ) } xsd:boolean   bound (variable var) Returns true if var is bound to a value. Returns false otherwise. Variables with the value NaN or INF are considered bound.

  6. @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . @prefix xs: <http://www.w3.org/2001/XMLSchema#> @prefix : <http://www.ismll.de/rdf/teaching#> :ProfLars :teaches :XmlAndSemanticWeb ; :teaches :AdvancedAI ; :teaches :OntologyLearning ; :teaches :PredictiveModeling ; :teaches :RecommenderSystems . :XmlAndSemanticWeb rdf:type :Course ; :title "XML & Semantic Web" . :AdvancedAI rdf:type :Course ; :title "Advanced Artificial Intelligence" . :OntologyLearning rdf:type :Seminar ; :title "Ontology Learning" . :PredictiveModeling rdf:type :Seminar ; :title "Predictive Modeling" . :RecommenderSystems rdf:type :Seminar ; :title "Recommender Systems" .

  7. :xml :assignmentOf :XmlAndSemanticWeb . :rdf :assignmentOf :XmlAndSemanticWeb . :owl :assignmentOf :XmlAndSemanticWeb . :XmlAndSemanticWeb :assignmentNumber 3 . :textClassification :assignmentOf :OntologyLearning . :WordNet :assignmentOf :OntologyLearning . :OntologyLearning :assignmentNumber 2 . :Karen :attends :XmlAndSemanticWeb . :Leandro :attends :OntologyLearning . :Mary :attends :PredictiveModeling . :ProfLars :supervises :Karen, :Leandro, :John.

  8. prefix : <http://www.ismll.de/rdf/teaching#> prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> select ?x ?z where { :ProfLars :teaches ?x . ?x rdf:type ?z } prefix : < http://www.ismll.de/rdf/teaching#> prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> select ?module ?number where { ?module :assignmentNumber ?number }

  9. prefix : <http://www.ismll.de/rdf/teaching#> prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> select ?y ?x where { {?y :attends ?z . ?x :assignmentOf ?z} FILTER (?y = :Karen || ?y = :Leandro || ?y = :Mary) } prefix : < http://www.ismll.de/rdf/teaching#> prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> select ?student where { { :ProfLars :supervises ?student . ?student :attends ?module . ?module rdf:type :Seminar} UNION {:ProfLars :supervises ?student . ?student :attends ?module . ?module rdf:type :Course} }

  10. prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> prefix xs: <http://www.w3.org/2001/XMLSchema#> prefix : <http://www.cgnm.de/spreadsheet#> CONSTRUCT { ?table :hasColumnName ?rowName . :hasRow :hasRowName ?columnName . :hasColumn :containsData ?Data. ?Data ?contains ?value; } WHERE { ?table :hasRow ?Row . ?Row :hasRowName ?rowName . ?Row :containsData ?Data. ?Data ?contains ?value. ?table :hasColumnNames ?n. ?n ?p ?columnName. }

  11. prefix : <http://www.cgnm.de/spreadsheet#> select ?_ ?2004 ?2005 ?2006 where { ?x1 :hasColumnNames ?y1 . ?y1 ?r ?_ . ?x2 :hasRowName "2004" { ?x2 :containsData ?y2 { ?y2 ?r ?2004 } } } { ?x3 :hasRowName "2005" { ?x3 :containsData ?y3 { ?y3 ?r ?2005 } } } { ?x4 :hasRowName "2006" { ?x4 :containsData ?y4 { ?y4 ?r ?2006 } } } }

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