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A further modification is the lexicalized PCFG, which assigns a head to each constituent and encodes rule for each lexeme in that head slot. Thus, where a PCFG may have a rule "NP → DT NN" (a noun phrase is a determiner and a noun) while a lexicalized PCFG will specifically have rules like "NP(dog) → DT NN(dog)" or "NP(person)" etc.
Network programming traditionally covers different layers of OSI/ISO model (most of application-level programming belongs to L4 and up). The table below contains some examples of popular protocols belonging to different OSI/ISO layers, and popular APIs for them.
A computer program written in an imperative language. Imperative languages specify a sequential algorithm using declarations, expressions, and statements: [52] A declaration introduces a variable name to the computer program and assigns it to a datatype [53] – for example: var x: integer; An expression yields a value – for example: 2 + 2 ...
In computer science, the syntax of a computer language is the rules that define the combinations of symbols that are considered to be correctly structured statements or expressions in that language. This applies both to programming languages , where the document represents source code , and to markup languages , where the document represents data.
This same conception can be found in subsequent grammars, such as 1878's A Tamil Grammar [8] or 1882's Murby's English grammar and analysis, where the conception of an X phrase is a phrase that can stand in for X. [9] By 1912, the concept of a noun phrase as being based around a noun can be found, for example, "an adverbial noun phrases is a ...
Derivational morphology is a process by which a grammatical expression is turned into a noun phrase. For example, in the sentence "Combine the two chemicals," combine acts as a verb. This can be turned into a noun via the addition of the suffix -ation, as in "The experiment involved the combination of the two chemicals." There are many suffixes ...
Important features of natural language syntax such as agreement and reference are not part of the context-free grammar, but the basic recursive structure of sentences, the way in which clauses nest inside other clauses, and the way in which lists of adjectives and adverbs are swallowed by nouns and verbs, is described exactly.
Pronounced "A-star". A graph traversal and pathfinding algorithm which is used in many fields of computer science due to its completeness, optimality, and optimal efficiency. abductive logic programming (ALP) A high-level knowledge-representation framework that can be used to solve problems declaratively based on abductive reasoning. It extends normal logic programming by allowing some ...