Semantics by Paducheva

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Sentences, Utterance and prepositions

Szerző: Wilfer Junior

Linguistics

Szerző: karen barahona

NLP

Szerző: Steve Adams

Wallpaper Ruler 2.0

Szerző: William R. J. Ribeiro

Semantics by Paducheva

Semantic Features and Selection Restrictions in Lexicon and Grammar

Semantic features can be interpreted as a label for one or more semantic componets.

Examples of selection restrictions:

Namely motivated by some semantic component of a word.

Semantically motivated.

E.g: To believe

Incompatibility of contraries & Excluded neutrality

Two semantic features

On Semantic Invariant of the Class of Words with Genitive Subject

Verbs that can be used with genitive subject are called: genitive verbs.

They have semantic invariant.

The choice of the case of the subject is determined by a syntactic feature of a verb.

Examples: verb forms (passive forms) or predicatives

Significance of semantic features in NLP resources:

Subtopic

Transfer semantic features

for distinguishing

literal from deviant

or metaphoric interpretations

Use in revealing

anaphoric relations

in the text

Role in analysis

of coordinate

constructions

Combinability of verbs

with adverbials

relying on semantic concord

Disambiguation of lexically

homonymous words

Utilization in revealing predicate-argument

elations in parsing algorithms

Absence in existing dictionaries

Introduction to U. Weinreich's distinction of semantic features:

Semantic Features in Systems of Natural Language Processing (NLP):

Semantic conditions imposed on arguments by transitive features

Division of semantic features into categorial and transitive groups

Weinreich's purposes for semantic features:

basis of semantic agreement,

explanation of deviant readings,

addition of provisional semantic contents

Broader sense usage compared to transformational grammar (TG)

Paradigmatic vs. transfer features

Lexical Database of the System:

Semantic features include Speech act verb,

Performative verb,

Verb of motion,

Kinship term

Part of the body

Person,

Parameter

LBD structure:

morphology,

syntactic features

prosody, and referential features

semantic features

Components:

Lexical Database (LBD)

Bibliographical Database (BBD)

Researchers involved in the project

Lexicographer as an expert

system for natural

language processing