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Complex Feature Values

Daniela Bandić and Imke Veen. Complex Feature Values. Overview. Complements Specifiers Valence Principle Agreement. Complements. = elements that characteristically co-occur with a lexical head e.g. lexical head of a VP is the verb  PPs, direct and indirect objects can co-occur with it

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Complex Feature Values

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  1. Daniela Bandić and Imke Veen Complex Feature Values

  2. Complex Feature Values Overview Complements Specifiers Valence Principle Agreement

  3. Complex Feature Values Complements = elements that characteristically co-occur with a lexical head e.g. lexical head of a VP is the verb  PPs, direct and indirect objects can co-occur with it The kids watchTV. verb direct object BUT: there are verbs that can occur with different elements The student wrote. The student wrote a letter. => We need a feature whose value tells us what complements are needed!

  4. Complex Feature Values The COMPS Feature introduction of the feature COMPS value of this feature is a list of feature structures (to allow for more than one complement)

  5. Complex Feature Values The COMPS Feature ctnd. modification of the phrase expanding rule:

  6. Complex Feature Values Head Complement Rule becomes Head Complement Rule

  7. Complex Feature Values Head-Complement Rule ctnd. COMPS-value of a lexical head specifies what complements are to follow complements are enumerated on the COMPS-list and at the right hand side of the lexical head

  8. Complex Feature Values Head Complement Rule ctnd. COMPS-list of the mother node is empty when the rule is applied, complements are cancelled off the list

  9. Complex Feature Values An Example put flowers in a vase

  10. Complex Feature Values Specifiers other types of co-occurrence restrictions subject and verb must agree in number some determiners only occur with mass nouns others only with count nouns

  11. Complex Feature Values SPR-feature introduction of the feature SPR tells us what specifiers heads require also list-valued specifier of an NP is a determiner specifier of a sentence is a subject NP

  12. Complex Feature Values Head-Specifier Rule Head-Specifier Rule

  13. Complex Feature Values Valence Principle we have to make sure that the values of SPR and COMPS are passed up to the mother node when other rules are applied a general principle is needed: “Unless the rule says otherwise, the mother’s SPR and COMPS valued are identical to those of the head daughter.” default rule: lists are still cancelled off, according to the rule

  14. Complex Feature Values Example (= NP) (= NOM) P NP a book of poems

  15. Complex Feature Values Subject-Verb Agreement Revisited in English verbs can have two different forms (in simple present!) either with or without “s” type “3sing” is assigned to verbs of the third person singular type “non-3sing” to all other verb forms

  16. Complex Feature Values Subject-Verb Agreement ctnd.

  17. Complex Feature Values Subject-Verb Agreement ctnd. new types = values of AGR feature

  18. Complex Feature Values Determiner-Noun Agreement in English there are some determiners that can only occur with singular nouns and others with plural nouns to guarantee agreement between determiner and noun a new constraint is needed Nominal SPR Agreement (NSA) nouns must be specified as

  19. Complex Feature Values Example the dog walks

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