Results 31 to 40 of about 7,473,929 (357)

A General Framework for the Derivation of Regular Expressions [PDF]

open access: yes, 2012
The aim of this paper is to design a theoretical framework that allows us to perform the computation of regular expression derivatives through a space of generic structures.
Caron, Pascal   +2 more
core   +4 more sources

Pengelompokan Komentar Netizen pada Media Sosial Pemerintah Daerah Berdasarkan Frekuensi Kata Kunci

open access: yesKhazanah Informatika, 2018
Menurut survei internetworldstats yang dirilis pada Januari 2018, jumlah pengguna internet di Indonesia telah mencapai 132,7 juta jiwa. Dari jumlah tersebut, 40% di antaranya merupakan pengguna aktif media sosial.
Nur Aini Rakhmawati, Nody Risky Pratomo
doaj   +1 more source

Cybersecurity Named Entity Recognition Using Multi-Modal Ensemble Learning

open access: yesIEEE Access, 2020
Cybersecurity named entity recognition is an important part of threat information extraction from large-scale unstructured text collection in many cybersecurity applications.
Feng Yi, Bo Jiang, Lu Wang, Jianjun Wu
doaj   +1 more source

Simultaneous Finite Automata: An Efficient Data-Parallel Model for Regular Expression Matching [PDF]

open access: yes, 2013
Automata play important roles in wide area of computing and the growth of multicores calls for their efficient parallel implementation. Though it is known in theory that we can perform the computation of a finite automaton in parallel by simulating ...
862   +5 more
core   +2 more sources

TECHNOLOGIES OF CREATING SPELL CHECKER 

open access: yesÌнформаційні технології в освіті, 2019
Spell checkers are created to control and correct mistakes in a user document. They are based on the comparison of every word against the spelling dictionary and on the use of correct spelling detection algorithms.
O. Riezina, R. Kosiuh , V. Vynnychenko
doaj   +1 more source

On the symbol error probability of regular polytopes [PDF]

open access: yes, 2010
An exact expression for the symbol error probability of the four-dimensional 24-cell in Gaussian noise is derived. Corresponding expressions for other regular convex polytopes are summarized.
Agrell, Erik, Karlsson, Magnus
core   +2 more sources

The impact of regular expression denial of service (ReDoS) in practice: an empirical study at the ecosystem scale

open access: yesESEC/SIGSOFT FSE, 2018
Regular expressions (regexes) are a popular and powerful means of automatically manipulating text. Regexes are also an understudied denial of service vector (ReDoS).
James C. Davis   +3 more
semanticscholar   +1 more source

A Dichotomy for Regular Expression Membership Testing [PDF]

open access: yesIEEE Annual Symposium on Foundations of Computer Science, 2016
We study regular expression membership testing: Given a regular expression of size m and a string of size n, decide whether the string is in the language described by the regular expression.
K. Bringmann   +2 more
semanticscholar   +1 more source

Two-Sided Derivatives for Regular Expressions and for Hairpin Expressions

open access: yes, 2013
The aim of this paper is to design the polynomial construction of a finite recognizer for hairpin completions of regular languages. This is achieved by considering completions as new expression operators and by applying derivation techniques to the ...
F. Manea   +10 more
core   +2 more sources

Mining DNA Sequence Patterns with Constraints Using Hybridization of Firefly and Group Search Optimization

open access: yesJournal of Intelligent Systems, 2018
DNA sequence mining is essential in the study of the structure and function of the DNA sequence. A few exploration works have been published in the literature concerning sequence mining in information mining task.
Lakshmanna Kuruva, Khare Neelu
doaj   +1 more source

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