DC 2012Metadata Tutorial, Coyle

Exercises

Exercise 1a

You run a physical warehouse. You will store toys and ship them to stores. What metadata do you need to about the toy?

Exercise 1b

You run a toy store. You will store, display and sell the toys. What metadata do you need about the toy?

Take-home exercise1. You run a warehouse. You will store books and ship them

to customers. What metadata do you need to about the book?

2. You run a bookstore. You will store, display and sell the books. What metadata do you need about the book?

3. You are the librarian in a school library. Your students come to the library for books. What metadata do you need about the book?

4. Compare your results to metadata in online bookstores, and in libraries.

Exercise 2: Data

Take each of the data elements that you created in the first exercise and define the element as data using one of the data types presented in the lecture.

•text•numeric•currency•identifier•controlled value

Exercise 3 : Identifiers

1. What does it identify?

2. In what context is the identifier unique?

3. What could be done to make it unique “globally” on the Web?

Exercise 4a: Making statements

This is a dog named Dewey.Dewey is a golden retriever.Dewey is 8 years old.Dewey weights 42 kilos (!)

Exercise 4b: Making statements in graphs

• This is a dog named Dewey.• Dewey is a golden retriever.• Dewey is 8 years old.• Dewey weights 90 pounds (!)

• Dewey lives in Berkeley.• Berkeley is in California.• Berkeley is the home of the University of

California

Two-doorRedFordMustang

Extra Graph Exercise

Exercise 5a: Properties

•This is a dog named Dewey.•His breed is golden retriever.•His birthday is 12/25.•His date of birth is 12/25/2004.•He lives in Berkeley, California•This photo was taken at the University of California in Berkeley.

Exercise 5a: Properties & Values

•This is a dog named Dewey.•His breed is golden retriever.•His birthday is 12/25.•His date of birth is 12/25/2004.•He lives in Berkeley, California•This photo was taken at the University of California in Berkeley.

Extra Credit Exercise

Extra Credit Exercise