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Conversion of character sequences into token sequences in computer science
Lexical tokenization is conversion of a text into (semantically or syntactically) meaningful lexical tokens belonging to categories defined by a "lexer"
Lexical_analysis
Subfield of linguistic semantics
the distinct senses and uses of a word. The units of analysis in lexical semantics are lexical units which include not only words but also sub-words
Lexical_semantics
Software development tool
In addition to removing the irrelevant information, the lexical analysis determines the lexical tokens of the language. This step means that forward declaration
Multi-pass_compiler
Linguistic methodology
an audience. Semantic analysis can begin with the relationship between individual words. This requires an understanding of lexical hierarchy, including
Semantic analysis (linguistics)
Semantic_analysis_(linguistics)
Process of understanding a complex topic or substance
Competitive analysis (online algorithm) – shows how online algorithms perform and demonstrates the power of randomization in algorithms Lexical analysis – the
Analysis
UNIX program for lexical analysis
Flex (fast lexical analyzer generator) is a free and open-source software alternative to lex. It is a computer program that generates lexical analyzers
Flex (lexical analyzer generator)
Flex_(lexical_analyzer_generator)
Software that translates code from one programming language to another
following operations, often called phases: preprocessing, lexical analysis, parsing, semantic analysis (syntax-directed translation), conversion of input programs
Compiler
Analysing a string of symbols, according to the rules of a formal grammar
language with two levels of grammar: lexical and syntactic. The first stage is the token generation, or lexical analysis, by which the input character stream
Parsing
Topics referred to by the same term
Look up lexical in Wiktionary, the free dictionary. Lexical may refer to: Lexical corpus or lexis, a complete set of all words in a language Lexical item
Lexical
Delimited series of characters that represent a string in code
compilation ("translation", specifically as part of lexical analysis), without requiring phrase analysis or constant folding. For example, the following is
String_literal
Sequence of characters that forms a search pattern
editors, in text processing utilities such as sed and AWK, and in lexical analysis. Regular expressions are supported in many programming languages. Library
Regular_expression
Process of becoming a word or adding words to a language
elided or omitted. Lexicalized signs may also be developed from gestures related to handling an object. Lexical analysis Lexical semantics Linguistics
Lexicalization
Part of a computer program where a given name binding is valid
this matching only requires analysis of the static program text, this type of scope is also called static scope. Lexical scope is standard in all ALGOL-based
Scope_(computer_programming)
Advanced lexical analyzer generator
RE-flex) is a computer program that generates lexical analyzers also known as "scanners" or "lexers". Lexical analysis is the process of converting an input character
RE/flex
Complexity of communication
Lexical density is a concept in computational linguistics that measures the structure and complexity of human communication in a language. Lexical density
Lexical_density
Linguistic discipline studying words
Lexicostatistics Lexical semantics Lexical analysis English lexicology and lexicography List of lexicographers List of linguists Lexical Markup Framework
Lexicology
Vocabulary of a language or branch of knowledge
and computational linguistics. Glossary Grammaticalization Lexical frequency analysis Lexical Markup Framework Lexicography λεξικός Archived 2021-05-14
Lexicon
Topics referred to by the same term
Wiktionary, the free dictionary. Tokenization may refer to: Tokenization (lexical analysis) in language processing Tokenization in large language models Tokenization
Tokenization
Method for data management
segmentation, content analysis, text analysis, text mining, concordance generation, speech segmentation, lexing, or lexical analysis. The terms 'indexing'
Search_engine_indexing
errors in optimizations and code generation. Warnings: re2c performs static analysis of the program and warns its users about possible deficiencies or bugs
Re2c
Process of analysing text to extract information from it
between named entities). Text analysis involves information retrieval, lexical analysis to study word frequency distributions, pattern recognition, tagging/annotation
Text_mining
Set of rules defining correctly structured programs
Retrieved 2008-11-24. "2. Lexical analysis". Python 3 documentation. Python Software Foundation. Retrieved 2021-03-11. "2. Lexical analysis". Python v2.7.18 documentation
Python_syntax_and_semantics
Re-implementation of Lex and Yacc in Python
part of the ply package. ply.lex - A re-implementation of Lex for lexical analysis ply.yacc - A re-implementation of Yacc for parser creation "PLY Homepage"
PLY_(software)
Formal grammar defining the syntax of tokens
In computer science, a lexical grammar or lexical structure is a formal grammar defining the syntax of tokens. The program is written using characters
Lexical_grammar
Lexical analyzer generator
that generates lexical analyzers ("scanners" or "lexers"). It is commonly used with the yacc parser generator and is the standard lexical analyzer generator
Lex_(software)
Top-down parser that parses input from left to right
syntactic_analysis(list(lexical_analysis(inputstring))) Outputs: Lexical analysis tokens: T_LPAR, T_A, T_PLUS, T_A, T_RPAR, T_END Syntactic analysis svalue
LL_parser
Free and open-source compiler for various programming languages
program towards its final form. Compiler optimizations and static code analysis techniques (such as FORTIFY_SOURCE, a compiler directive that attempts
GNU_Compiler_Collection
Finite-state machine
hardware and software for solving various specific problems such as lexical analysis and pattern matching. For example, a DFA can model software that decides
Deterministic finite automaton
Deterministic_finite_automaton
Preserved chant of the Arval priests of ancient Rome
The exact meaning of "berber" is unclear, with Baldi stating that most analysis of this form is purely "speculative." Baldi suggests that the term may
Carmen_Arvale
Set of open-source compilers
within .NET code. Roslyn exposes modules for syntactic (lexical) analysis of code, semantic analysis, dynamic compilation to CIL, and code emission. Features
Roslyn_(compiler)
Program that processes input for another program
and language extensions. Lexical preprocessors are the lowest-level of preprocessors as they only require lexical analysis, that is, they operate on
Preprocessor
Form of source code, without regard to meaning
of characters into a linear sequence of tokens; this is known as "lexical analysis" or "lexing". Second, the parser turns the linear sequence of tokens
Syntax (programming languages)
Syntax_(programming_languages)
Optimized type of file in computer programming
disadvantage of not going any further than simple lexical analysis, requiring that syntactic and semantic analysis of the token stream be performed with every
Precompiled_header
Computer program that constructs concordances from text corpora
concordancing in the language classroom". lexically.net. Retrieved 2025-04-01. "WordSmith Tools". Lexical Analysis Software. Retrieved 2025-04-01. Kilgarriff
Concordancer
Computer science compiler technology textbook
edition include: Compiler structure Lexical analysis (including regular expressions and finite automata) Syntax analysis (including context-free grammars
Compilers: Principles, Techniques, and Tools
Compilers:_Principles,_Techniques,_and_Tools
Programming language usually implemented with a compiler
further. ANTLR – Parser generator program Flex – UNIX program for lexical analysisPages displaying short descriptions of redirect targets GNU bison –
Compiled_language
Parser generator
one C source file with another file used as a template for output. Lexical analysis is performed externally. Lemon is similar to the programs Bison and
Lemon_(parser_generator)
Method of teaching foreign languages
The lexical approach refers to various methods of teaching foreign languages with focus on lexical units of various sizes. On the smaller end, the lexical
Lexical_approach
RTNs have application to programming languages, natural language and lexical analysis. Any sentence that is constructed according to the rules of an RTN
Recursive_transition_network
Special characters in computing signifying the end of a line of text
5 Porters. "PHP: Strings - Manual". PHP Manual. The PHP Group. "2. Lexical analysis". The Python Language Reference. The Python Foundation. Jansen, Jack
Newline
Notation for representing a fixed value in source code
string in "cat" is a string literal: int a = 1; string s = "cat"; In lexical analysis, literals of a given type are generally a token type, with a grammar
Literal (computer programming)
Literal_(computer_programming)
Attitude of patronizing superiority
dictionary. Mansplaining Paternalism community Hanks, Patrick (2013). Lexical Analysis: Norms and Exploitations. p. 163. Wang, Zijian; Potts, Christopher
Condescension
Programming language syntax rule that defines code block demarcation via indentation
without such colon syntax. The off-side rule can be implemented in the lexical analysis phase, as in Python, where increasing the indenting results in the
Off-side_rule
Analysis of a sentence which first identifies constituent parts of sentences
used in natural language processing. It is similar to the concept of lexical analysis for computer languages. Under the name "shallow structure hypothesis"
Shallow_parsing
All the words in a language collectively
as child, children, child's and children's may realise the same lexical item. Lexical grouping may be: Formulaic: it relies on partially fixed expressions
Lexis_(linguistics)
Online search engine
that try to address some of the issues discussed above. Google Trends Lexical analysis Michael, Jean-Baptiste; Shen, Yuan K.; Aiden, Aviva P.; Veres, Adrian;
Google_Books_Ngram_Viewer
Grammar framework in theoretical linguistics
Lexical functional grammar (LFG) is a constraint-based grammar framework in theoretical linguistics. It posits several parallel levels of syntactic structure
Lexical_functional_grammar
Inuit language spoken in Greenland
converter) whereas going the other direction would require a full lexical analysis. Article 1 of the Universal Declaration of Human Rights in Greenlandic:
Greenlandic_language
Use of computational tools for the study of linguistics
areas that mirror the internal organization of linguistics. For example, lexical semantics and frame semantics have active research communities within computational
Computational_linguistics
Non-language factors that enhance understanding of communication
users adapt the properties of their language use (such as intonation, lexical choice, syntax, and other aspects of formulation) to the current communicative
Context
System to create software documentation
written in C++, and consists of around 300,000 source lines of code. For lexical analysis, Lex (or its replacement Flex) is run via approximately 35,000 lines
Doxygen
Degree to which elements within a module belong together
all contribute to a single well-defined task of the module (e.g., Lexical analysis of an XML string). Example: /* Groups: The function definitions Parts:
Cohesion_(computer_science)
Group of words that fall under a single category
between [ ], / / and ⟨ ⟩, see IPA § Brackets and transcription delimiters. A lexical set is a group of words that share a particular vowel or consonant sound
Lexical_set
Branch of linguistics that studies language through examples contained in real texts
"Sandhi-split corpus of Sanskrit texts with full morphological and lexical analysis... designed for text-historical research in Sanskrit linguistics and
Corpus_linguistics
Word consisting of two words
portmanteau, also known in linguistics and lexicography as a blend word, lexical blend, or simply a blend, is a word formed by combining the meanings and
Portmanteau
Type of computer system
tactical moves to play a game. Rule-based systems can be used to perform lexical analysis to compile or interpret computer programs, or in natural language processing
Rule-based_system
1974, 1996, 1998, 2003, 2007, and Wanner (ed.) 1996; analysis of the most frequent type of lexical functions—verb-noun collocations—can be found in Gelbukh
Lexical_function
Ongoing series of evaluations of computational semantic analysis systems
evaluation of semantic analysis systems. SemEval-2012 took place in 2012; it was associated with the new *SEM, First Joint Conference on Lexical and Computational
SemEval
Category of words based on shared grammatical properties in a clause
traditional scheme does—include word class, lexical class, and lexical category. Some authors restrict the term lexical category to refer only to a particular
Part_of_speech
Indo-European language
to Latin lilia and Greek leirion. Lexical distance of Albanian to other languages in a lexicostatistical analysis by Ukrainian linguist Tyshchenko shows
Albanian_language
Human writing practice
boundaries. Hyphenation Natural language processing Speech segmentation Lexical analysis Word count Line breaking Image segmentation UAX #29 Zhang, Xiao-heng
Text_segmentation
When a grammatical category forms a compound while retaining original syntactic function
Rosen, Sara Thomas (June 1989). "Two Types of Noun Incorporation: A Lexical Analysis". Language. 65 (2): 294–317. doi:10.2307/415334. hdl:1808/17539. ISSN 0097-8507
Incorporation_(linguistics)
Literary technique of rearranging text
Assemblage (composition) Cento (poetry) Dissociated press Found poetry Lexical analysis Melitzah Plunderphonics Stochastic parrot Surrealist techniques Vocabularyclept
Cut-up_technique
Lexical diversity is one aspect of 'lexical richness' and refers to the ratio of different unique word stems (types) to the total number of words (tokens)
Lexical_diversity
Programming paradigm that relies on a stack machine model
theoretically evaluated much faster, since no syntax analysis needs to be done but lexical analysis. The way such programs are written facilitates being
Stack-oriented_programming
Input to a C or C++ compiler from which an object file is generated
preprocessor is in principle language agnostic, and is a lexical preprocessor, working at the lexical analysis level – it does not do parsing, and thus is unable
Translation unit (programming)
Translation_unit_(programming)
meaning. The analysis of semantic features is utilized in the field of linguistic semantics, more specifically the subfields of lexical semantics, and
Semantic_feature
1970 book by John Marco Allegro
touchpoint in debates about psychedelics and religion. Allegro connects lexical analysis with myth formation, asserting that many biblical names and motifs
The Sacred Mushroom and the Cross
The_Sacred_Mushroom_and_the_Cross
Subgroup of the Austroasiatic language family
Nicobarese, Shompen Sidwell (2022), based on a computational phylogenetic lexical analysis, proposes a new classification which treats Car and Shompen as single
Nicobarese_languages
Topics referred to by the same term
Frequency analysis may refer to: Frequency analysis (cryptanalysis) Lexical frequency analysis (word lists) Frequency estimation, a method to find the
Frequency analysis (disambiguation)
Frequency_analysis_(disambiguation)
Theory of sound changes in linguistics
Lexical diffusion is the hypothesis that a sound change is an abrupt change that spreads gradually across the words in a language to which it is applicable
Lexical_diffusion
Device control code used to alert operators
broke it". www.codesandciphers.org.uk. Retrieved 9 July 2016. "2. Lexical analysis — Python 2.7.18 documentation". docs.python.org. Retrieved 2021-02-05
Bell_character
Programming language
often inadequate for production software. Furthermore, in the case of lexical analysis, well-known techniques do seem to offer efficiency while retaining
Ratfor
Ancient Greek tragedy by Aeschylus
likewise concluded the text was written by someone else, on the basis of lexical analysis of words in the play not recurrent elsewhere in Aeschylus. Some have
Prometheus_Bound
Programming language
eXtension, is the recommended one. The OCaml distribution contains: Lexical analysis and parsing tools called ocamllex and ocamlyacc Debugger that supports
OCaml
Personality traits reflected in language
In personality psychology, the lexical hypothesis (also known as the fundamental lexical hypothesis, lexical approach, or sedimentation hypothesis) generally
Lexical_hypothesis
faster during runtime, because the XAML is enriched by tokens, and lexical analysis is completed. "WPF Globalization and Localization Overview: Localize
Binary Application Markup Language
Binary_Application_Markup_Language
Psychological theory by Robert Sternberg
PMID 37884798. Lomas, Tim (2018), "The flavours of love: A cross-cultural lexical analysis" (PDF), Journal for the Theory of Social Behaviour, 48: 134–152, doi:10
Triangular_theory_of_love
Notation for representing an integer in source code
literal is part of the lexical analysis (lexing) phase, while evaluating the literal to its value is part of the semantic analysis phase. Within the lexer
Integer_literal
Convergence zone and proposed language family
Starostin, who published a comparative lexical analysis of the Altaic languages in 1991. He concluded that the analysis supported the Altaic grouping, although
Altaic_languages
Exegesis of the Quran by al-Qurtubi
the Arabic language through its linguistic and stylistic features (lexical analysis). In addition to explaining the verses, he conducts research into difficult
Tafsir_al-Qurtubi
Middleware and tools written in Erlang
and testing of Erlang programs. Parsetools - A set of parsing and lexical analysis tools. Pman - A process manager used to inspect the state of an Erlang/OTP
Open_Telecom_Platform
Grouping a set of objects by similarity
Cluster analysis, or clustering, is a data analysis technique aimed at partitioning a set of objects into groups such that objects within the same group
Cluster_analysis
British lexicographer (1940–2024)
Ken Church influential papers on corpus-based statistical methods in lexical analysis. Hanks died on 1 February 2024, at the age of 83. From 1990 to 2000
Patrick_Hanks
Basic programming language construct
changes the arity and precedence lexical specification of the language, which affects phrase-level lexical analysis. Custom operators, particularly via
Operator (computer programming)
Operator_(computer_programming)
Section of a source code file that is treated as if it were a separate file
simply recording a token was quoted (during the evaluation phase of lexical analysis), without needing to preserve the original, quoted value. One application
Here_document
Grammatical formation of nouns from other types of words
genitive cases. As proven above, syntactic and lexical nominals share some structural similarities. Further analysis reveals that syntactic and constituent (linguistics)
Nominalization
Early Christian community in the Roman colony of Corinth
This section outlines the historical-critical, socio-historical, and lexical analysis of 1 Corinthians 11:2–16, not a theological or devotional one. For
Church_of_Corinth
Software suite for natural language processing
prototyping and building research systems. Discourse representation Lexical analysis: Word and text tokenizer n-gram and collocations Part-of-speech tagger
Natural_Language_Toolkit
Typesetting system
replaced by a control-sequence token. In this sense, this stage is like lexical analysis, although it does not form numbers from digits. In the next stage,
TeX
Textual emotion detection method
Sentiment analysis (also known as opinion mining) is the use of natural language processing, text analysis, computational linguistics, and biometrics to
Sentiment_analysis
General-purpose programming language
supporting multiple paradigms. C# encompasses static typing, strong typing, lexically scoped, imperative, declarative, functional, generic, object-oriented
C Sharp (programming language)
C_Sharp_(programming_language)
Technique in natural language processing
Latent semantic analysis (LSA) is a technique in natural language processing, in particular distributional semantics, of analyzing relationships between
Latent_semantic_analysis
Data structure used by a language translator such as a compiler or interpreter
symbol table is accessed by most phases of a compiler, beginning with lexical analysis, and continuing through optimization. A compiler may use one large
Symbol_table
Words inherited by different languages
In historical linguistics, cognates or lexical cognates are sets of words that have been inherited in direct descent from an etymological ancestor in
Cognate
Concept in natural language processing
in OpenStreetMap. Several metrics use WordNet, a manually constructed lexical database of English words. Despite the advantages of having human supervision
Semantic_similarity
Topics referred to by the same term
describes a Generalized LR parser without a separate Scanner aka. Lexical analysis Steeple Grange Light Railway This disambiguation page lists articles
SGLR
Concept in linguistics
In linguistics, specifically the sub-field of lexical semantics, the concept of lexical innovation includes the use of neologism or new meanings (so-called
Lexical_innovation
Fictional character in the DC comics universe; associate of Superman
June 8, 2024. Retrieved June 8, 2024. Warner Bros. Entertainment. Lexical Analysis Archived 2022-04-25 at the Wayback Machine. Wired. 2016. DCU Guide:
Ron_Troupe
Branch of applied mathematics
used in linguistics include: Weighted graphs, which are used to model the lexical similarity between different languages (after computing lexicostatistics)
Mathematical_linguistics
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