Kuroda normal form 1970-01-01
Kuroda normal form is a specific representation of context-free grammars (CFGs) that is particularly useful in the study of parsing and formal language theory. In Kuroda normal form, a context-free grammar is structured in such a way that its production rules are constrained to a limited set of forms that can generate the same language as the original grammar but with more manageable syntax.
L-attributed grammar 1970-01-01
L-attributed grammars are a type of attribute grammar used in the field of compilers and programming language design to associate attributes with grammar symbols in a way that facilitates the evaluation of attributes in a single left-to-right traversal of a parse tree. ### Key Characteristics of L-attributed Grammars: 1. **Attribute Grammars**: In general, attribute grammars extend context-free grammars by attaching attributes to grammar symbols.
LL grammar 1970-01-01
LL grammar is a type of context-free grammar that is used in the field of parsing and compilers. The "LL" designation signifies that the grammar can be parsed from "Left to right" and that it produces a "Leftmost derivation" of the sentence. Here’s a breakdown of the key aspects of LL grammars: 1. **L**: Stands for "left-to-right" scanning of the input.
LR-attributed grammar 1970-01-01
LR-attributed grammar is a type of context-free grammar that is used in the field of compiler design, particularly for syntax analysis (parsing). It combines the principles of LR parsing (a bottom-up parsing technique) with attributes that provide semantic information or actions associated with the grammar's production rules.
Leftist grammar 1970-01-01
"Leftist grammar" is not a widely recognized or standardized term in linguistic studies, but it may refer to a way of using language that aligns with or reflects leftist political ideologies. This could encompass various aspects, such as a focus on inclusivity, social justice, and anti-capitalist sentiments in the way language is structured or employed.
Lexical grammar 1970-01-01
Lexical grammar refers to the rules and structure governing the formation and combination of words in a particular language. It encompasses the way words are formed (morphology), their meanings (semantics), and how they function within phrases and sentences (syntax). Lexical grammar contrasts with structural grammar, which focuses more on the rules that govern sentence structure and relationships between different parts of speech.
Linear grammar 1970-01-01
Linear grammar is a type of formal grammar in the theory of formal languages and automata. It is a specific subclass of context-free grammars (CFGs) that has certain restrictions on the production rules. In a linear grammar, each production rule is of the form: - A → xBy - A → x - A → ε Here, A is a non-terminal symbol, x and y are strings of terminal symbols (or empty), and B is another non-terminal symbol.
List of formal language and literal string topics 1970-01-01
Formal languages and literal strings are fundamental concepts in the fields of computer science, linguistics, and mathematics. Below is a list of topics related to formal languages and literal strings: ### Formal Language Topics: 1. **Alphabets**: The basic building blocks of formal languages, usually defined as finite sets of symbols. 2. **Strings**: Finite sequences of symbols drawn from an alphabet.
Literal movement grammar 1970-01-01
Literal Movement Grammar (LMG) is a framework in linguistic theory that proposes a specific method for analyzing and describing the syntax of natural languages. The term itself is not widely established as a distinct category in the field of linguistics, and it may not be formally recognized in the same way as other grammatical theories like Generative Grammar, Dependency Grammar, or other syntactic frameworks.
Local language (formal language) 1970-01-01
In the context of formal language theory, a **local language** generally refers to a class of formal languages that can be recognized by local operations or can be defined using certain locality conditions. One of the most common interpretations of a local language is related to **local monoids** or **local grammars**, particularly in the context of formal language processing or automata theory.
Locally catenative sequence 1970-01-01
In the context of topology and geometric structures, a **locally catenative sequence** typically deals with properties related to certain types of convergence and spatial arrangements. However, the term is not widely recognized and might not have a specific standardized definition in general mathematical literature.
Longest increasing subsequence 1970-01-01
The Longest Increasing Subsequence (LIS) is a well-known problem in computer science and mathematics that involves finding the longest subsequence of a given sequence of numbers where the elements of the subsequence are in strictly increasing order. A subsequence is a sequence derived from another sequence by deleting some elements without changing the order of the remaining elements.
Longest repeated substring problem 1970-01-01
The Longest Repeated Substring Problem is a classic problem in computer science and string processing, which involves finding the longest substring within a given string that appears more than once. In other words, we're looking for the longest segment of characters that can be found in the string multiple times, without overlapping. ### Problem Definition Given a string `S` of length `n`, the goal is to find the longest substring `L` such that `L` occurs at least twice in `S`.
Ludwig Staiger 1970-01-01
Ludwig Staiger is a German physicist known for his contributions to the fields of quantum optics and laser physics. He has been involved in various research projects and has published papers on topics related to quantum mechanics, light-matter interaction, and the development of optical technologies.
MU puzzle 1970-01-01
The MU Puzzle is a fascinating problem that originates from the realm of formal systems and mathematical logic. It is often associated with the work of the mathematician and logician Douglas Hofstadter, particularly in his book "Gödel, Escher, Bach: An Eternal Golden Braid." The puzzle involves a set of strings formed from the letters 'M', 'U', and a specific set of production rules.
Markup language 1970-01-01
A markup language is a system for annotating a document in a way that is syntactically distinguishable from the text. The annotations specify how the text should be structured and formatted, which can affect its presentation or data representation. Markup languages are widely used in web development, document processing, and data interchange. Here are some key characteristics and examples of markup languages: ### Key Characteristics: 1. **Tags**: Markup languages commonly use tags to denote the beginning and end of elements.
Matrix grammar 1970-01-01
Matrix grammar is a formal grammatical framework that extends traditional phrase structure grammars by introducing a multi-dimensional approach to syntax. It is particularly useful for representing complex syntactic structures and variations in natural languages. Key features of matrix grammar include: 1. **Multi-dimensional Syntax**: Unlike traditional grammars that typically operate in a linear fashion, matrix grammar allows for the representation of multiple layers or dimensions of syntactic information. This can include different grammatical functions or relationships operating simultaneously.
Maximal pair 1970-01-01
In mathematics, particularly in the context of set theory and relations, the term "maximal pair" may not have a universally defined meaning. However, it can be interpreted in a few different contexts depending on the field of study: 1. **Graph Theory**: In the context of graph theory, a maximal pair can refer to a pair of vertices that have some property (for example, being connected by edges) which cannot be extended by adding more vertices without violating that property.
Mildly context-sensitive grammar formalism 1970-01-01
Mildly Context-Sensitive Grammar (MCSG) is a form of formal grammar that extends context-free grammar (CFG) to better capture certain linguistic phenomena that CFGs struggle with. MCSG is part of a broader class of grammars known as mildly context-sensitive formalisms. These grammars are designed to handle syntactic structures that require more expressive power than context-free grammars, but are still computationally more manageable than fully context-sensitive grammars.
Minimalist grammar 1970-01-01
Minimalist grammar is a theoretical framework within generative linguistics that was developed by Noam Chomsky in the early 1990s. It represents a shift from earlier generative grammar models, particularly the transformational grammar that Chomsky introduced in his previous works. The core idea of minimalist grammar is to explain the properties of natural language syntax in the simplest and most efficient way possible.