Függésfák

Függésfák, a Hungarian term, translates to "dependency trees" in English and refers to a concept in computer science and linguistics. In computer science, a dependency tree is a data structure used to represent the grammatical relationships between words in a sentence. Each word in the sentence is a node in the tree, and the relationships between words, such as subject-verb, adjective-noun, or verb-object, are represented by directed edges connecting these nodes. The root of the tree is typically the main verb or the most central word in the sentence. Dependency parsing algorithms generate these trees to analyze sentence structure and extract semantic information.

In linguistics, dependency grammar, a theory of grammar that contrasts with constituency grammar, views sentences as constructed from dependencies between words. Függésfák are the visual representation of these dependencies. This approach focuses on the direct relationships between words, where one word (the head) governs another word (the dependent). This contrasts with constituency grammar, which breaks sentences down into nested phrases. The analysis provided by dependency trees is useful for natural language processing tasks such as machine translation, information extraction, and sentiment analysis, as it offers a clear and often more compact representation of sentence meaning compared to phrase structure trees. The direction of the dependency arrows indicates which word modifies or depends on which other word.