Results 41 to 50 of about 889,414 (343)

Categorizing Event Sequences Using Regular Expressions

open access: yesIASSIST Quarterly, 1997
Categorizing Event Sequences Using Regular ...
Lisa Sanfilippo
doaj   +1 more source

Learning from Uncurated Regular Expressions [PDF]

open access: yes, 2022
Significant work has been done on learning regular expressions from a set of data values. Depending on the domain, this approach can be very successful. However, significant time is required to learn these expressions and the resulting expressions can become either very complex or inaccurate in the presence of dirty data.
arxiv   +1 more source

Partial Derivative Automaton for Regular Expressions with Shuffle [PDF]

open access: yes, 2015
We generalize the partial derivative automaton to regular expressions with shuffle and study its size in the worst and in the average case. The number of states of the partial derivative automata is in the worst case at most 2^m, where m is the number of
Broda, Sabine   +3 more
core   +2 more sources

Deterministic automata for extended regular expressions

open access: yesOpen Computer Science, 2017
In this work we present the algorithms to produce deterministic finite automaton (DFA) for extended operators in regular expressions like intersection, subtraction and complement.
Syzdykov Mirzakhmet
doaj   +1 more source

USE OF REGULAR EXPRESSIONS AS TEMPLATES IN FORMATIVE AND SUMMATIVE OPEN ANSWER QUESTIONS

open access: yesОткрытое образование (Москва), 2016
The article describes problems in automated students testing using open-form questions with substantial amount of correct answers. Authors propose using of regular expressions as correct answer patterns.
Oleg A. Sychev, Valeriy O. Streltsov
doaj   +1 more source

CREGEX: A Biomedical Text Classifier Based on Automatically Generated Regular Expressions

open access: yesIEEE Access, 2020
High accuracy text classifiers are used nowadays in organizing large amounts of biomedical information and supporting clinical decision-making processes.
Christopher A. Flores   +3 more
doaj   +1 more source

Pattern Matching in YARA: Improved Aho-Corasick Algorithm

open access: yesIEEE Access, 2021
YARA is a tool for pattern matching used by malware analysts all over the world. YARA can scan files, as well as process memory. It allows us to define sequences of symbols as text strings, hexadecimal strings and regular expressions. However, the use of
Dominika Regeciova   +2 more
doaj   +1 more source

Object oriented regular expressions [PDF]

open access: yes, 2008
Regular expressions are used to parse textual data to match patterns and extract variables. They have been implemented in a vast number of programming languages with a significant quantity of research devoted to improving their operational efficiency ...
Larkin, Henry
core   +1 more source

Enhancing Regular Expressions For Polish Text Processing

open access: yesComputer Science, 2009
The paper presents proposition of regular expressions engine based on the modified Thompson’salgorithm dedicated to the Polish language processing.
Krzysztof Dorosz, Anna Szczerbińska
doaj   +1 more source

Flowchart Programs, Regular Expressions, and Decidability of Polynomial Growth-Rate [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2016
We present a new method for inferring complexity properties for a class of programs in the form of flowcharts annotated with loop information. Specifically, our method can (soundly and completely) decide if computed values are polynomially bounded as a ...
Amir M. Ben-Amram, Aviad Pineles
doaj   +1 more source

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