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Deterministic Regular Expressions with Back-References [PDF]

open access: yesSymposium on Theoretical Aspects of Computer Science, 2018
Most modern libraries for regular expression matching allow back-references (i.e., repetition operators) that substantially increase expressive power, but also lead to intractability.
Dominik D. Freydenberger   +1 more
semanticscholar   +1 more source

Determinization and Minimization of Automata for Nested Words Revisited

open access: yesAlgorithms, 2021
We consider the problem of determinizing and minimizing automata for nested words in practice. For this we compile the nested regular expressions (NREs) from the usual XPath benchmark to nested word automata (NWAs).
Joachim Niehren, Momar Sakho
doaj   +1 more source

Ethereum Smart Contract Bug Detection and Repair Approach Based on Regular Expressions, Program Instrumentation and Code Replacement [PDF]

open access: yesJisuanji kexue, 2021
As the largest blockchain platform supporting smart contracts,millions of smart contracts have been deployed on Ethereum.Since the deployed smart contracts cannot be modified even if the contracts contain bugs,it is critical for developers to eliminate ...
XIAO Feng, ZHANG Peng-cheng, LUO Xia-pu
doaj   +1 more source

Categorizing Event Sequences Using Regular Expressions

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

Active Learning for Biomedical Text Classification Based on Automatically Generated Regular Expressions

open access: yesIEEE Access, 2021
Biomedical text classification algorithms, which currently support clinical decision-making processes, call for expensive training texts due to the low availability of labeled corpus and the cost of manual annotation by specialized professionals.
Christopher A. Flores   +2 more
doaj   +1 more source

Neural Generation of Regular Expressions from Natural Language with Minimal Domain Knowledge [PDF]

open access: yesConference on Empirical Methods in Natural Language Processing, 2016
This paper explores the task of translating natural language queries into regular expressions which embody their meaning. In contrast to prior work, the proposed neural model does not utilize domain-specific crafting, learning to translate directly from ...
N. Locascio   +4 more
semanticscholar   +1 more source

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

Joining Extractions of Regular Expressions [PDF]

open access: yesACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, 2017
Regular expressions with capture variables, also known as "regex formulas,'' extract relations of spans (interval positions) from text. These relations can be further manipulated via the relational Algebra as studied in the context of "document spanners,"
Dominik D. Freydenberger   +2 more
semanticscholar   +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

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