Semanntic Web Exercises

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Semanntic WebExercises
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XML-exercises (1)

• 1. Give an XML-document (by not using
  attributes), which includes the information that
  the first name of a person is Alan, his last name
  is Turing, and his professions are computer
  scientist, mathematician and cryptographer.
• Give the tree diagram of the document given in 1.
• Modify the document given in exercise 1 such that
  the first and last are the attributes of the
  name element

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XML-exercises (2)

• Give an XML-document (by not using attributes),
  which includes the following information the
  social security number (123456789A), the first
  name of a person is Jack, and his last name is
  Taylor, his address is composed of postcode
  (0500), city (Boston) and street (Hamilton
  street), and his telephone numbers are 12345 and
  6789.
• Give the tree diagram of the document given in
  exercise 1.
• 3. Give a DTD (Document Type Definition) for the
  XML-document specified in exercise 1.
• Give an XML Schema for the information specified
  in exercise 1.
• Validate the schema using the validator located
  at
• http//www.stg.brown.edu/service/xmlvalid/
• 5. Give an instance of a the XML Schema
  specified in exercise 4.

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Conceptual modelling exercises

• Give a conceptual schema (using ER-design) about
  teams, players, and their fans, including
• For each team, its name, its players, its team
  captain (one of its players), and the colors of
  its uniform.
• For each player, his/her name.
• For each fan, his/her name, favorite teams,
  favorite players, and favorite color.
• Do exercise 1 using UML-design
• Capture the knowledge, using the graph of N3
  notation, of the following English statements
• Jack Smith studies at Helsinki University
• Helsinki University has a web site at
  http//www.helsinki.fi/university/
• Jack is a friend of Elisa Ford
• Elisa Ford studies at Lappeenranta University of
  Technology
• Lappeenranta University of Technology has a
  website at http//www.lut.fi/en/
• Elisa Ford has a website at http//www.lut.fi/elis
  a
• 4. Using UML give a schema for the statements
  given in exercise 3.

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XSLT-exercise

• 1. Modify the xml file of the slide page 198 and
  the style sheet presented at pages 201 and 202
  such that the final layout would look as follows

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• Give an a taxonomy, which can be used in
  classifying learning objects of computer science.
• 2. Give a thesarus that describes information
  entities such as course, laboratory course,
  exercise, exam, class room, course course book,
  laboratory, lecturer and laboratory room.
• 3. Give a conceptual schema using ER-schema
  notation that models the entities stated in
  exercise 2 and their relationships.
• 4. By using first order predicate logic state the
  following everyone who has enrolment of the Java
  course has a registration on that course.

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RDF-exercises

• RDF-Exercise 1.
• Give an RDF_description that states the
  following
• Resource http //www.hut.fi/jack/homepage is a
  homepage and it is owned by Jack Taylor.
• RDF-Exercise 2.
• Give an RDF_description that states the
  following
• Resource http //www.innouni.fi/innouni-ns/T-999
  gt is a course named Java-programming and is
  lectured by Lisa Smith at room T2.
• RDF-Exercise 3.
• By using container elemn rdf Bag, give an
  RDF_description that states the following Mary
  and John owns the car ABC-99
• Answer RDF-Excercise 3.

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• RDF-Exercise 4.
• By using the collection value of the rdf
  parseType attribute give an RDF_description that
  states the following Mary and John owns the car
  ABC-99

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RDFS-exercises

• RDFS-Exercise 1.
• Give a graphical presentation and RDF Schema that
  describe the following Professors and assistants
  are subclasses of teachers. Each techer has a
  name. Each course has a course_id. Professors
  lecture courses while assistants suprervise
  courses.
• Execise 2. RQL-Exercise .
• By using RQL and the RDF Schema of the previous
  exercise give the following queries
• Retrieve all the instances of the class Teacher
• Retrieve aal the inatances of the class Teacher
  that are iether profwssors or assistanra.
• Retrieve the names of the assistants.

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• Execise 3.
• Discuss the difference vbetween the following
  statements, and draw graphs to illustrate the
  difference X supports the proposal Y supports
  the propodsal
• Z supports the proposal. The group of X, Y, and
  Z supports the proposal.
• Draw graphs to illustrate the difference.
• Exercise 4. Compare rdfssubClassOf with type
  extension in XML Schema
• Exercise 5. Try to map the relational database
  model on RDF.
• Exercise 6. Compare entity-relationship modelling
  to RDF.
• Exercise 7.Model part of a library in RDF Schema
  books, authors, publishers, years, copies, dates,
  and so on. Then write some statements in RDF, and
  query them using RQL.

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• Exercise 8. Write an ontology about geography
  cities, countries, capitals, borders, states, and
  so on.
• Exercise 9. Consider the classes of males and
  females. Name a relationship between them that
  should be included in an ontology.
• Exercise 10. Consider the classes of persons,
  males and females. Name a relationship between
  all the three that should be included in an
  ontology. Which part of this relationship can be
  expressed in RDF Schema.
• Exercise 11. Suppose we declare Bob and Peter to
  be the father of Mary. Obviously there is a
  semantic error here. How should the semantic
  model make this error impossible?
• Exercise 12. What relationship exist between is
  child of and is parent of ?

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• Exercise 13. Consider the property eats with
  domain animal and range animal or plant. Suppose
  we define a new class vegetarian. Name a
  desirable restriction on eats for this class. Do
  you think that this restriction can be expressed
  in RDF Schema by using rdfs range ?

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OWL-exercises

• OWL-Exercise 1. Give an OWL-ontology that
  describes the following
• There are courses and laboratory courses.
  Homeworks are part of courses. Courses are
  organized by teachers. Teachers are either
  professors or assistants. Professors teach
  courses while assistants only teach laboratory
  courses.
• OWL-Exercise 2. Give an OWL-ontology that
  describes the following
• a) Medicinal products are either over the
  counter drugs or prescription based drugs. Each
  medicinal product includes an active substance.
  In addition each medicinal product is
  substitutable by zero or more medicinal products.
• b) Panadol is an instance of over the counter
  drug, Tramadol is an instance of prescription
  based drug, and Loperamide is an instance of
  active substance.