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Lexical ambiguity is a subtype of semantic ambiguity where a word or morpheme is ambiguous. When a lexical ambiguity results from a single word having two senses, it is called polysemy . For instance, the English "foot" is polysemous since in general it refers to the base of an object, but can refer more specifically to the foot of a person or ...
Lexical ambiguity is contrasted with semantic ambiguity.The former represents a choice between a finite number of known and meaningful context-dependent interpretations.. The latter represents a choice between any number of possible interpretations, none of which may have a standard agreed-upon meani
Contextual and semantic factors influence processing at a later stage and can induce re-analysis of the syntactic parse. Re-analysis is costly and leads to an observable slowdown in reading. When the parser encounters an ambiguity, it is guided by two principles: late closure and minimal attachment.
In syntactic ambiguity, the same sequence of words is interpreted as having different syntactic structures. In contrast, in semantic ambiguity the structure remains the same, but the individual words are interpreted differently. [15] [16] Controlled natural languages are often designed to be unambiguous so that they can be parsed into a logical ...
In formal semantics, the scope of a semantic operator is the semantic object to which it applies. For instance, in the sentence "Paulina doesn't drink beer but she does drink wine," the proposition that Paulina drinks beer occurs within the scope of negation, but the proposition that Paulina drinks wine does not.
In addition, the sentence contains semantic ambiguity. For instance, the noun phrase "Time flies" could refer to all time flies or particular time flies, and "an arrow" to all arrows, a particular arrow, or different arrows for different flies; compare "Fruit flies like a banana", "Fruit flies ate a banana", "Fruit flies live on a banana".
This sentence is semantically ambiguous. Specifically, it contains a scope ambiguity. This ambiguity cannot be resolved at surface structure, since someone, being within the verb phrase, must be lower in the structure than everyone. This case exemplifies the general fact that natural language is insufficiently specified for strict logical ...
Semantic properties or meaning properties are those aspects of a linguistic unit, such as a morpheme, word, or sentence, that contribute to the meaning of that unit.Basic semantic properties include being meaningful or meaningless – for example, whether a given word is part of a language's lexicon with a generally understood meaning; polysemy, having multiple, typically related, meanings ...