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Protege 4.x Tutorial Errata

This page contains a list of errata for the current Protege 4.x version of the Protege-OWL Tutorial.

Protege 4.x is under heavy development so it is difficult to keep such a comprehensive document completely up-to-date. If you find that the most recent version is not in sync with the tutorial, please add to this page to describe the problem (and a solution if you have one). We can then use this page when we incrementally update the tutorial and your contributions will allow this to be done more easily.

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Protege-OWL Tutorial Edition 1.1

Misleading or out of date

Please give a location of the error where possible (page number, section/paragraph, figure number, etc.).

Location Error
page 29, Exercise 10, step 2 The properties hierarchy does not show inverse information.
page 29, Exercise 10, step 4 requires rewording. Follow the same procedure as step 2, but select isBaseOf. If isBaseOf does not exist it can be created within the dialog by selecting isIngredientOf and pressing the add sub property button.
page 38, Note P4 does not show inferred domains or ranges until the ontology has been classified.
page 42, Exercise 16, step 2 Subclass Of should be Superclasses. see #Terminology.
page 48, Exercise 21, step 2 You will be asked to name the duplicate class rather than it being created directly. For the exercise, choose not to duplicate annotations.
page 51, Section 4.9.1 Species Validation not supported. To validate OWL1.0 ontologies, it is possible to use the Wonderweb Validator.
page 56, Figure 4.44 out of date. see #Terminology.
page 57, Exercise 29, steps 3 & 5 see #Drag_and_Drop_support. Use cut and paste (in the Edit menu or using keyboard shortcuts) to move restrictions. Or to make a single equivalent class out of several superclasses, select the classes then right click and select Convert selected rows to defined class.
page 62, Section 4.11.1 No classification results pane is shown. This proved to be an annoying feature for many people. The inferred axioms can be viewed in a separate view in the Active ontology tab.
page 70, Exercises 36 & 37 There is currently no action for automatically creating closure axioms. This operation must be performed by hand as per exercise 35.
page 71, Section 4.14 The patterns plugin for editing value partitions is currently not available. Value partitions should be created by hand using the manual step specified.
page 84, Exercise 48 In step 4, for earlier releases an additional space may required between the >= and the 12
page 76, Section 4.15 The Matrix that was used here can't create the result. You have to set at least the Hot property to JalapenoPepperTopping.
page 84, Meaning The text says "We have described a LargePizzaSize to be a subclass of Food", while there is no Food class defined anywhere in the tutorial.
page 85, Exercise 51 This exercise is incomplete and no classification will take place. In addition the LargePizza class should be selected in the class hierarchy in step 1.
page 93, Exercise 58, step 5 Select the + button next to the types header in the Description view. In the dialog either type "Country" into the editor or select it from the class hierarchy tab.
page 96, Exercise 60, step 4 The enumeration requires commas between the individual values
page 97, Tip box There is currently no wizard for creating this enumeration. It is quicker and simpler to type in the values in the inline editor.
page 100-110, Chapter 7: Other Topics This chapter describes features that are either not supported by P4 or are implemented completely differently from P3.4. Please ignore this chapter completely.

General notes about the tutorial


Some references to the class description view currently use slightly different terminology from the current release. The tutorial is in line with Protege 3.x terminology, whereas the Protege 4.x environment has intentionally used the terminology of the OWL 1.1 specification.

Therefore, in the tutorial when the term Necessary Conditions is used it is synonymous with Superclasses in the Class Description View. Also, in the tutorial when the term Necessary & Sufficient is used it is synonymous with Equivalent classes in the Class Description View.

Some screenshots of the view may need to be updated to reflect this.

Drag and Drop support

Much of the drag and drop support has temporarily been removed as many people were finding it easy to perform operations by mistake while moving around the interface. It is likely that we will re-implement this once we can work out way around these problems. Drag and Drop is still available in the entity hierarchy views (eg for "moving classes" to a new superclass), but has been replaced in favour of cut and paste within other views (eg the class description view).


The use of colour and the symbols on the icons have both been minimised to provide a consistent look.

Minor Typos

Location Typo
page 21, Exercise 6, steps 1 & 2 hierarchy misspelled twice
page 39, 4.8.1, last line "thought" should be "throughout"
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