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Introducing lexical relations

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Title: Introducing lexical relations


1
Introducing lexical relations
  • Cruse (1986), Chapter 4

2
4.1 Preliminaries
  • Topic different semantic relations between
    lexical units.
  • Lexical unit lexical form 1 single
    distinguishing sense.

3
4.1 Preliminaries
  • 2 fundamental types of sense relations

4
4.1 Preliminaries
  • 2 fundamental types of sense relations
  • Paradigmatic

5
4.1 Preliminaries
  • 2 fundamental types of sense relations
  • Paradigmatic
  • Syntagmatic

6
Overview
  • Paradigmatic sense relations 4.2-4.11
  • - 4 basic types of sense relations 4.2-4.6
  • - other types of congruence relations 4.7
  • - general concepts about sense relations
  • 4.8-4.11
  • Syntagmatic sense relations 4.12

7
4.2 Congruence
  • 4 basic relations between classes
  • Identity
  • Inclusion
  • Overlap
  • Disjunction

8
4.3 Cognitive synonymy
  • identity

9
4.3 Cognitive synonymy
  • identity
  • Cognitive synonymy
  • X and Y are cognitive synonyms if
  • - they are syntacticly identical
  • - Any sentence S1 containing X has the same
    truth-conditions as an identical sentence S2 in
    which X is replaced by Y.

10
4.3 Cognitive synonymy
  • identity
  • example fiddle vs. violin

11
4.4 Hyponymy
  • inclusion
  • form A is f(X)
  • f(X) is an indefinite expression, and represents
    the minimum syntactic elaboration of X for it to
    function as a complement of the verb to be

12
4.4 Hyponymy
  • inclusion
  • If A is f(X) entails A is f(Y), but not the
    other way around then
  • X is a hyponym of Y
  • Y is a superordinate of X

13
4.4 Hyponymy
  • If A is f(X) entails A is f(Y), but not the
    other way around then
  • X is a hyponym of Y
  • Y is a superordinate of X
  • Example this is a dog entails this is an
    animal.

14
4.5 Compatibility
  • overlap
  • No systematic entailments between sentences
    differing only in respect of compatibles in
    parallel syntactic positions
  • A pair of compatibles must have a common
    superordinate

15
4.5 Compatibility
  • Strict compatability X and Y are strict
    compatibles if
  • They share at least 1 hyponym which is
    independently characterisable.
  • Example this is a snake / this is a poisonous
    creature
  • Contingent compatability
  • Example this is a dog / this is a pet

16
4.6 Incompatibility
  • disjunction
  • X and Y are incompatibles if
  • A is f(X) entails A is not f(Y)
  • and vice-versa.
  • Example this is a dog vs. this is a cat

17
4.7 Congruence variants
  • Secondary congruence relations
  • Identity -gt congruent relation
  • Inclusion -gt hypo-relation and super-relation
  • Overlap -gt semi-relation
  • Disjunction plays no role here

18
4.8 Partial relations
  • relations between lexical items which don't
    always occur at the same place in a sentence.
  • Example finish and complete

19
4.9 Quasi-relations
  • relations between lexical items which meet the
    semantic requirements, but are of different
    syntactic category
  • Example it is red/yellow/green with it is
    coloured as quasi-superordinate.

20
4.10 Pseudo-relations
  • 2 lexical items do not stand in any relation,
    but under certain circumstances they show 1 or
    more characteristic of a certain relation.
  • Example This triangle has 3 equal sides and
    This triangle has 3 equal angles.

21
4.11 Para-relations
  • relations between lexical items which are
    expected rather than necessary
  • Example dog and pet.
  • ?Its a dog, but its a pet.

22
4.12 Syntagmatic relations of meaning betw.
lexical units
  • syntactic control of the semantic properties of
    a sentence
  • Every word has a relation to all other words in a
    sentence, and even in neighboring sentences.
  • Relation through discourse propinquity
  • Relation controlled by syntax

23
4.12 Syntagmatic relations of meaning betw.
lexical units
  • Relation through discourse propinquity
  • Example The Ruritian ambassador delivered a
    jolly strong protest concerning the recent
    violation of his countrys sovereignty

24
4.12 Syntagmatic relations of meaning betw.
lexical units
  • Relation controlled by syntax
  • Example The Ruritanian ambassador delivered a
    highly strong protest concerning the recent
    violation of his countrys sovereignty

25
4.12 Syntagmatic relations of meaning betw.
lexical units
  • Relation controlled by syntax

26
4.12 Syntagmatic relations of meaning betw.
lexical units
  • Relation controlled by syntax

27
4.12 Syntagmatic relations of meaning betw.
lexical units
  • Relation controlled by syntax

28
4.12 Syntagmatic relations of meaning betw.
lexical units
  • Semantic clash only between sister nodes!

29
4.12 Syntagmatic relations of meaning betw.
lexical units
  • Semantic clash only between sister nodes!

30
4.12 Syntagmatic relations of meaning betw.
lexical units
  • Semantic clash only between sister nodes!

31
4.12 Syntagmatic relations of meaning betw.
lexical units
  • Directional properties
  • selector/selectee
  • Head-modifier constructions
  • the modifier is the selector
  • example a pregnant teacher
  • Head-complement constructions
  • the head is the selector
  • example did you drink it?

32
4.12 Syntagmatic relations of meaning betw.
lexical units
  • Directional properties
  • encapsulation of semantical traits
  • Head-modifier constructions
  • the head encapsulates the meaning of the
    modifier.
  • example ?a male uncle
  • Head-complement constructions
  • the head encapsulates the meaning of the
    complement.
  • example ?Arthur drinks liquids

33
4.12 Syntagmatic relations of meaning betw.
lexical units
  • Set of syntagmatic relations
  • Philonyms 2 lexical units combined into a
    syntactically semantically normal construction
  • Tautonyms ...pleonastic construction
  • Xenonyms ... dissonant constuction

34
4.12 Syntagmatic relations of meaning betw.
lexical units
  • Degrees of dissonance
  • Inappropriateness
  • when the selector has a cognitive synonym
    which is a philonym of the selector
  • example the aspidistra kicked the bucket

35
4.12 Syntagmatic relations of meaning betw.
lexical units
  • Degrees of dissonance
  • Paradox
  • when..
  • The method for inappropriateness doesnt work.
  • One of the lexical units involved has a
    superordinate which is a philonym of the other.
  • example a male aunt-gta male relation

36
4.12 Syntagmatic relations of meaning betw.
lexical units
  • Degrees of dissonance
  • Incongruity
  • when none of the methods for
    inappropriateness or paradox work.
  • example a lustfull affix
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