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An LSTM-Based Plagi...
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Moravvej, S. V.Department of Computer Engineering, Isfahan University of Technology, Isfahan, Iran
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An LSTM-Based Plagiarism Detection via Attention Mechanism and a Population-Based Approach for Pre-training Parameters with Imbalanced Classes
- Article/chapterEnglish2021
Publisher, publication year, extent ...
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2021-12-05
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Cham :Springer Science and Business Media Deutschland GmbH,2021
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Numbers
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LIBRIS-ID:oai:DiVA.org:mdh-56879
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https://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-56879URI
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https://doi.org/10.1007/978-3-030-92238-2_57DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-57902URI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:kon swepub-publicationtype
Notes
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Plagiarism is one of the leading problems in academic and industrial environments, which its goal is to find the similar items in a typical document or source code. This paper proposes an architecture based on a Long Short-Term Memory (LSTM) and attention mechanism called LSTM-AM-ABC boosted by a population-based approach for parameter initialization. Gradient-based optimization algorithms such as back-propagation (BP) are widely used in the literature for learning process in LSTM, attention mechanism, and feed-forward neural network, while they suffer from some problems such as getting stuck in local optima. To tackle this problem, population-based metaheuristic (PBMH) algorithms can be used. To this end, this paper employs a PBMH algorithm, artificial bee colony (ABC), to moderate the problem. Our proposed algorithm can find the initial values for model learning in all LSTM, attention mechanism, and feed-forward neural network, simultaneously. In other words, ABC algorithm finds a promising point for starting BP algorithm. For evaluation, we compare our proposed algorithm with both conventional and population-based methods. The results clearly show that the proposed method can provide competitive performance.
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Mousavirad, S. J.Department of Computer Engineering, Hakim Sabzevari Univesity, Sabzevar, Iran
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Helali Moghadam, MahshidRISE,Industriella system,Mälardalen University, Sweden,RISE Research Institutes of Sweden, Västerås, Sweden(Swepub:ri)mahshid.helali.moghadam@ri.se
(author)
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Saadatmand, Mehrdad,1980-RISE,Industriella system,RISE Research Institutes of Sweden, Västerås, Sweden(Swepub:ri)MehrdadSaa@ri.se
(author)
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Department of Computer Engineering, Isfahan University of Technology, Isfahan, IranDepartment of Computer Engineering, Hakim Sabzevari Univesity, Sabzevar, Iran
(creator_code:org_t)
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In:Lect. Notes Comput. Sci.Cham : Springer Science and Business Media Deutschland GmbH, s. 690-7019783030922375
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