Pca ve Optimize Edilmiş Lstm'ye Dayalı Yeni Yazılım Kusur Tahmin Yöntemi

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2021

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Software Engineering
(2005)
Department of Software Engineering was founded in 2005 as the first department in Ankara in Software Engineering. The recent developments in current technologies such as Artificial Intelligence, Machine Learning, Big Data, and Blockchains, have placed Software Engineering among the top professions of today, and the future. The academic and research activities in the department are pursued with qualified faculty at Undergraduate, Graduate and Doctorate Degree levels. Our University is one of the two universities offering a Doctorate-level program in this field. In addition to focusing on the basic phases of software (analysis, design, development, testing) and relevant methodologies in detail, our department offers education in various areas of expertise, such as Object-oriented Analysis and Design, Human-Computer Interaction, Software Quality Assurance, Software Requirement Engineering, Software Design and Architecture, Software Project Management, Software Testing and Model-Driven Software Development. The curriculum of our Department is catered to graduate individuals who are prepared to take part in any phase of software development of large-scale software in line with the requirements of the software sector. Department of Software Engineering is accredited by MÜDEK (Association for Evaluation and Accreditation of Engineering Programs) until September 30th, 2021, and has been granted the EUR-ACE label that is valid in Europe. This label provides our graduates with a vital head-start to be admitted to graduate-level programs, and into working environments in European Union countries. The Big Data and Cloud Computing Laboratory, as well as MobiLab where mobile applications are developed, SimLAB, the simulation laboratory for Medical Computing, and software education laboratories of the department are equipped with various software tools and hardware to enable our students to use state-of-the-art software technologies. Our graduates are employed in software and R&D companies (Technoparks), national/international institutions developing or utilizing software technologies (such as banks, healthcare institutions, the Information Technologies departments of private and public institutions, telecommunication companies, TÜİK, SPK, BDDK, EPDK, RK, or universities), and research institutions such TÜBİTAK.

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Bu çalışmada, PCA tabanlı LSTM uygulayarak yazılım hatası tahmini için yeni bir yaklaşım sunulmuştur. Bu çalışma, PCA tarafından gerçekleştirilen özellik seçimi ve LSTM tarafından yürütülen sınıflandırma bölümünden oluşmaktadır. PCA'Nin öznitelik seçimi olarak uygulanmasının amacı, etkilenmeyen öznitelikleri kaldırarak hesaplama süresini azaltmak için girdi özniteliklerinin boyutunu küçültmektir. Ardından, PCA'Nin çıkışı, giriş yazılımı kusur özelliklerini iki sınıfa (kusurlu ve normal) sınıflandıran zaman serisi sınıflandırıcısı olan LSTM'ye bağlanır. En iyi doğruluğu elde etmek için LSTM'nin ağırlığını ve tabanını güncelleyerek LSTM'nin performansını optimize etmek için uygulanan PSO. Elde edilen sonuçlar bu alanda sunulan yaygın çalışmalarla karşılaştırılmıştır.
In this thesis, new approach presented for software defect prediction applying PCA based LSTM. This study consists from two parts feature selection executed by PCA and classification part executed by LSTM. The aim applying PCA as feature selection is to reduce the size of input features to decrease the computation time by removing unaffected features. Then, the output of PCA wired to the LSTM that is time series classifier which classify the input software defect features to the two classes (defect and normal). The PSO applied to optimize the performance of the LSTM by updating the weight and basis of the LSTM to obtain best accuracy. The obtained results compared with common studies presented in this field.

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Bilgisayar Mühendisliği Bilimleri-Bilgisayar ve Kontrol, Computer Engineering and Computer Science and Control

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71