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Exocentric
In theoretical linguistics, a distinction is made between endocentric and exocentric constructions. A grammatical construction (for instance, a phrase or compound) is said to be ''endocentric'' if it fulfils the same linguistic function as one of its parts, and ''exocentric'' if it does not. The distinction reaches back at least to Bloomfield's work of the 1930s, who based it on terms by Pāṇini and Patañjali in Sanskrit grammar. Such a distinction is possible only in phrase structure grammars (constituency grammars), since in dependency grammars all constructions are necessarily endocentric. Endocentric construction An endocentric construction consists of an obligatory head and one or more dependents, whose presence serves to modify the meaning of the head. For example: # NP_ A_big.html"_;"title="sub>NP_[A_big">sub>NP_[A_big[N_house.html" ;"title="sub>A_big.html" ;"title="sub>NP [A big">sub>NP [A big[N house">sub>A_big.html" ;"title="sub>NP [A big">sub>NP [A big[N house #[VP ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Compound (linguistics)
In linguistics, a compound is a lexeme (less precisely, a word or sign) that consists of more than one stem. Compounding, composition or nominal composition is the process of word formation that creates compound lexemes. Compounding occurs when two or more words or signs are joined to make a longer word or sign. A compound that uses a space rather than a hyphen or concatenation is called an open compound or a spaced compound; the alternative is a closed compound. The meaning of the compound may be similar to or different from the meaning of its components in isolation. The component stems of a compound may be of the same part of speech—as in the case of the English word ''footpath'', composed of the two nouns ''foot'' and ''path''—or they may belong to different parts of speech, as in the case of the English word ''blackbird'', composed of the adjective ''black'' and the noun ''bird''. With very few exceptions, English compound words are stressed on their first componen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Compound (linguistics)
In linguistics, a compound is a lexeme (less precisely, a word or sign) that consists of more than one stem. Compounding, composition or nominal composition is the process of word formation that creates compound lexemes. Compounding occurs when two or more words or signs are joined to make a longer word or sign. A compound that uses a space rather than a hyphen or concatenation is called an open compound or a spaced compound; the alternative is a closed compound. The meaning of the compound may be similar to or different from the meaning of its components in isolation. The component stems of a compound may be of the same part of speech—as in the case of the English word ''footpath'', composed of the two nouns ''foot'' and ''path''—or they may belong to different parts of speech, as in the case of the English word ''blackbird'', composed of the adjective ''black'' and the noun ''bird''. With very few exceptions, English compound words are stressed on their first componen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bahuvrihi
A ''bahuvrihi'' compound (from sa, बहुव्रीहि, tr=bahuvrīhi, lit=much rice/having much rice, originally referring to fertile land but later denoting the quality of being wealthy or rich) is a type of compound word that denotes a referent by specifying a certain characteristic or quality the referent possesses. A bahuvrihi is exocentric, so that the compound is not a hyponym of its head. For instance, a sabretooth ('' smil-odon'') is neither a sabre nor a tooth, but a feline with sabre-like teeth. In Sanskrit bahuvrihis, the last constituent is a noun—more strictly, a nominal stem—while the whole compound is an adjective. In Vedic Sanskrit the accent is regularly on the first member ( ' "a king's son", but bahuvrihi ' "having kings as sons" ( lit. king-sons), viz. ', m., "father of kings", ', f., "mother of kings"), with the exception of a number of non-nominal prefixes such as the privative a; the word ' is itself likewise an exception to this rule. Ba ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Inflectional Phrase
In linguistics, X-bar theory is a model of phrase-structure grammar and a theory of syntactic category formation that was first proposed by Noam Chomsky in 1970Chomsky, Noam (1970). Remarks on Nominalization. In: R. Jacobs and P. Rosenbaum (eds.) ''Reading in English Transformational Grammar'', 184–221. Waltham: Ginn. and further developed by Ray Jackendoff (1974, 1977a, 1977bJackendoff, Ray (1977b) Constraints on Phrase Structure Rules, in P. W. Culicover, T. Wasow & A. Akmajian (eds.), ''Formal Syntax'', Academic Press, New York, pp. 249–83.), along the lines of the theory of generative grammar put forth in the 1950s by Chomsky. It attempts to capture the structure of phrasal categories with a single uniform structure called the X-bar schema, basing itself on the assumption that any phrase in natural language is an XP (X phrase) that is headed by a given syntactic category X. It played a significant role in resolving issues that phrase structure rules had, representative of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
X-bar Theory
In linguistics, X-bar theory is a model of phrase-structure grammar and a theory of syntactic category formation that was first proposed by Noam Chomsky in 1970Chomsky, Noam (1970). Remarks on Nominalization. In: R. Jacobs and P. Rosenbaum (eds.) ''Reading in English Transformational Grammar'', 184–221. Waltham: Ginn. and further developed by Ray Jackendoff (1974, 1977a, 1977bJackendoff, Ray (1977b) Constraints on Phrase Structure Rules, in P. W. Culicover, T. Wasow & A. Akmajian (eds.), ''Formal Syntax'', Academic Press, New York, pp. 249–83.), along the lines of the theory of generative grammar put forth in the 1950s by Chomsky. It attempts to capture the structure of phrasal categories with a single uniform structure called the X-bar schema, basing itself on the assumption that any phrase in natural language is an XP (X phrase) that is headed by a given syntactic category X. It played a significant role in resolving issues that phrase structure rules had, representative ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Head (linguistics)
In linguistics, the head or nucleus of a phrase is the word that determines the syntactic category of that phrase. For example, the head of the noun phrase ''boiling hot water'' is the noun ''water''. Analogously, the head of a compound is the stem that determines the semantic category of that compound. For example, the head of the compound noun ''handbag'' is ''bag'', since a handbag is a bag, not a hand. The other elements of the phrase or compound modify the head, and are therefore the head's '' dependents''. Headed phrases and compounds are called ''endocentric'', whereas '' exocentric'' ("headless") phrases and compounds (if they exist) lack a clear head. Heads are crucial to establishing the direction of branching. Head-initial phrases are right-branching, head-final phrases are left-branching, and head-medial phrases combine left- and right-branching. Basic examples Examine the following expressions: :::big red dog :::birdsong The word ''dog'' is the head of ''big red ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Exocentric Environment
In the field of user interfaces, an exocentric environment refers to a virtual reality or some other immersive environment which completely encompasses the user, e.g. by placing the viewer in a room made up entirely of rear projection screens. Systems which merely display a virtual reality directly to the user (e.g. using a head-mounted display) do not qualify. They are endocentric environment In the field of user interfaces, an endocentric environment refers to a virtual reality or some other immersive environment which is introduced directly into the user's senses (for example by using VR goggles). Systems which display a virtual re ...s. References User interfaces {{Software-type-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phrase
In syntax and grammar, a phrase is a group of words or singular word acting as a grammatical unit. For instance, the English expression "the very happy squirrel" is a noun phrase which contains the adjective phrase "very happy". Phrases can consist of a single word or a complete sentence. In theoretical linguistics, phrases are often analyzed as units of syntactic structure such as a constituent. Common and technical use There is a difference between the common use of the term ''phrase'' and its technical use in linguistics. In common usage, a phrase is usually a group of words with some special idiomatic meaning or other significance, such as " all rights reserved", " economical with the truth", " kick the bucket", and the like. It may be a euphemism, a saying or proverb, a fixed expression, a figure of speech, etc.. In linguistics, these are known as phrasemes. In theories of syntax, a phrase is any group of words, or sometimes a single word, which plays a particular role withi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leonard Bloomfield
Leonard Bloomfield (April 1, 1887 – April 18, 1949) was an American linguist who led the development of structural linguistics in the United States during the 1930s and the 1940s. He is considered to be the father of American distributionalism. His influential textbook ''Language'', published in 1933, presented a comprehensive description of American structural linguistics. He made significant contributions to Indo-European historical linguistics, the description of Austronesian languages, and description of languages of the Algonquian family. Bloomfield's approach to linguistics was characterized by its emphasis on the scientific basis of linguistics and emphasis on formal procedures for the analysis of linguistic data. The influence of Bloomfieldian structural linguistics declined in the late 1950s and 1960s as the theory of generative grammar developed by Noam Chomsky came to predominate. Early life and education Bloomfield was born in Chicago, Illinois, on April 1, 188 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endocentric Environment
In the field of user interfaces, an endocentric environment refers to a virtual reality or some other immersive environment which is introduced directly into the user's senses (for example by using VR goggles). Systems which display a virtual reality indirectly to the user (for example by placing the viewer in a room made up entirely of rear projection screen A video projector is an image projector that receives a video signalling (telecommunication), signal and projects the corresponding image on a projection screen using a lens (optics), lens system. Video projectors use a very bright ultra-high-per ...s) do not qualify. See also * Exocentric environment Virtual reality {{Software-type-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Constraint-based Grammar
Model-theoretic grammars, also known as constraint-based grammars, contrast with generative grammars in the way they define sets of sentences: they state constraints on syntactic structure rather than providing operations for generating syntactic objects. A generative grammar provides a set of operations such as rewriting, insertion, deletion, movement, or combination, and is interpreted as a definition of the set of all and only the objects that these operations are capable of producing through iterative application. A model-theoretic grammar simply states a set of conditions that an object must meet, and can be regarded as defining the set of all and only the structures of a certain sort that satisfy all of the constraints. The approach applies the mathematical techniques of model theory to the task of syntactic description: a grammar is a theory in the logician's sense (a consistent set of statements) and the well-formed structures are the models that satisfy the theory. Exampl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grammar Frameworks
In linguistics, the grammar of a natural language is its set of structural constraints on speakers' or writers' composition of clauses, phrases, and words. The term can also refer to the study of such constraints, a field that includes domains such as phonology, morphology, and syntax, often complemented by phonetics, semantics, and pragmatics. There are currently two different approaches to the study of grammar: traditional grammar and theoretical grammar. Fluent speakers of a language variety or ''lect'' have effectively internalized these constraints, the vast majority of which – at least in the case of one's native language(s) – are acquired not by conscious study or instruction but by hearing other speakers. Much of this internalization occurs during early childhood; learning a language later in life usually involves more explicit instruction. In this view, grammar is understood as the cognitive information underlying a specific instance of language production. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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