Thematic roles are semantic generalizations over the specific roles that occur with specific verbs.Thematic roles: more on the stuff that goes on inside verbs.Decompositional semantics of predicates.Selection restrictions on thematic roles.Thematic roles in predicate-bearing lexemes.
Various approaches have been followed to describe the semantics of lexemes.That’s what I mean by inside word meanings.Paradigmatic relations connect lexemes together in particular ways but don’t say anything about what the meaning representation of a particular lexeme should consist of.WordNet is a database of facts about words.Quizzes have been turned in to CAETE for distribution back to you.With the variable corresponding to the retrieved element as a lambda variable.Retrieve element from the store and apply it to the core representation.Use lambda reduction to retrieve from the store incorporate the arguments in the right way.The order determines the scoping (the meaning).Retrieving the quantifiers one at a time and placing them in front.Now given a representation like that we can get all the meanings out that we want by.It should focus on the argument structure mostly.But the syntax doesn’t really say much about that so it shouldn’t be driving the placement of the quantifiers.Which one we get is based on the order in which the quantifiers are added into the representation.The current approach just gives us 1 interpretation.CSCI 5832Natural Language Processing Jim Martin Lecture 20
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