| http://www.w3.org/ns/prov#value | - One example of such a language is referred to as a question and exercise language (QEL), which may have an interface written in a high-level programming language, such as Basic, Pascal, or C. This QEL includes a set of syntactical rules and constructs which permits a teacher to write questions to ask the class or to set exercises or problems for the class to perform.
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