Öztürk, Dilek
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Ozturk, D
Öztürk Kaya, Dilek
Ozturk, Dilek
Öztürk Kaya, Dilek
Ozturk, Dilek
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03.04. Department of Computer Engineering
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5
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20
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3
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6
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2
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4302/1671
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11
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20
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1.83
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3.33
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6
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1
| Journal | Count |
|---|---|
| 12th Turkish National Software Engineering Symposium, UYMS 2018 | 1 |
| 2019 IEEE 43rd Annual Computer Software and Applications Conference (COMPSAC) | 1 |
| 2021 Turkish National Software Engineering Symposium, UYMS 2021 - Proceedings | 1 |
| Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi | 1 |
| IEEE Access | 1 |
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Conference Object Citation - WoS: 4Citation - Scopus: 9Isbsg Veri Seti Kullanılarak Yazılım Efor Kestirimi: Çoklu Durum Çalışmaları(IEEE, 2021) Ünlü, Hüseyin; Yalçın, Ali Görkem; Öztürk, Dilek; Akkaya, Güliz; Kalecik, Mert; Ekici, Nazım Umut; Orhan, Oğuzhan; Çiftçi, Okan; Yumlu, Selen; Demirörs, OnurEfor kestirimi yazılım projelerinin planlanmasında temel aktivitelerden biridir. Objektif, tekrarlanabilir efor kestirimleri genelde iki ana girdiye ihtiyaç duyar: yazılım büyüklüğü ve efor verisi. Yazılımın büyüklüğü fonksiyonel büyüklük olarak ölçüldüğünde projenin gereksinimlerinin tanımlı olmasından sonra her aşamasında ölçülebilir. Ancak, organizasyonlarda geçmiş projelere ait efor verisine her zaman ulaşmak mümkün olamamaktadır. Bu durumda yeni projeler için geçmiş verilerden yola çıkarak efor kestirim modelleri oluşturmak güç olabilir. Uluslararası Yazılım Kıyaslama Standartları Grubu (International Software Benchmarking Standards Group – ISBSG) veri seti dünya çapında birçok organizasyon tarafından sağlanan yazılım büyüklüğü ve efor bilgisi içeren çok sayıda proje bilgisi içerir. Bu veri seti organizasyonlarda efor kestirimi için kullanılabilir. Bu çalışmada, ISBSG veri setinin sektördeki organizasyonlara ait projelerin efor kestiriminde yararlı olup olmadığını araştırmak amacıyla lisansüstü öğrencileri ile çoklu durum çalışması yapılmıştır. Öğrenciler, çalıştıkları organizasyona ait bir projeyi öncelikle COSMIC İşlevsel Büyüklük Ölçüm yöntemi ile ölçmüş, sonrasında da ISBSG veri setini kullanarak efor kestirim modeli oluşturmuş ve projenin efor tahminini gerçekleştirmiştir. Çalışma sonuçları, efor verisi bulunamayan durumlarda ISBSG kullanarak tutarlı bir efor kestirim modelini oluşturmanın mümkün olduğunu göstermektedir.Article Citation - WoS: 2Citation - Scopus: 6Incremental Testing in Software Product Lines-An Event Based Approach(IEEE, 2023) Beyazıt, Mutlu; Tuğlular, Tuğkan; Öztürk Kaya, DilekOne way of developing fast, effective, and high-quality software products is to reuse previously developed software components and products. In the case of a product family, the software product line (SPL) approach can make reuse more effective. The goal of SPLs is faster development of low-cost and high-quality software products. This paper proposes an incremental model-based approach to test products in SPLs. The proposed approach utilizes event-based behavioral models of the SPL features. It reuses existing event-based feature models and event-based product models along with their test cases to generate test cases for each new product developed by adding a new feature to an existing product. Newly introduced featured event sequence graphs (FESGs) are used for behavioral feature and product modeling; thus, generated test cases are event sequences. The paper presents evaluations with three software product lines to validate the approach and analyze its characteristics by comparing it to the state-of-the-art ESG-based testing approach. Results show that the proposed incremental testing approach highly reuses the existing test sets as intended. Also, it is superior to the state-of-the-art approach in terms of fault detection effectiveness and test generation effort but inferior in terms of test set size and test execution effort.Article Yazılım Ürün Hatlarında Tam Üründen Özellik Eksiltme Yoluyla Frklı Ürün Yapılandırmalarını Otomatik Üretme Yöntemi(2023) Öztürk Kaya, Dilek; Tuğlular, TuğkanYazılım ürün hattı (YÜH) karmaşık, büyük ölçekli ve ürün yapılandırması bakımından zengin yazılım sistemleri geliştirmek için gelelecek vadeden bir yaklaşımdır. Yazılım ürün hattındaki sayısı çok fazla olabilen ürün yapılandırmalarına ait modellerin otomatik elde edilmesi zaman ve maliyet kısıtları açısından oldukça önemlidir. Bu çalışmada, ürün modellerini daha üretken ve etkili şekilde elde edebilmek için, tam ürün modelinden, özellik eksiltme yoluyla farklı ürün yapılandırmalarına ait modelleri otomatik olarak elde etmeyi sağlayan bir yaklaşım önerdik. Önerilen yaklaşımı İçecek Otomatı YÜH, Banka Hesabı YÜH ve Öğrenci Yoklama Sistemi YÜH isimli üç farklı vaka çalışması üzerinde denedik. Özellik-bağımlılık ağacı ve dinamik kenar eşleme algoritması bu çalışmada önerilen özgün kavramlardır.Conference Object Citation - WoS: 5Citation - Scopus: 5Featured Event Sequence Graphs for Model-Based Incremental Testing of Software Product Lines(IEEE, 2019) Tuğlular, Tuğkan; Beyazıt, Mutlu; Öztürk, DilekThe goal of software product lines (SPLs) is rapid development of high-quality software products in a specific domain with cost minimization. To assure quality of software products from SPLs, products need to be tested systematically. However, testing every product variant in isolation is generally not feasible for large number of product variants. An approach to deal with this issue is to use incremental testing, where test artifacts that are developed for one product are reused for another product which can be obtained by incrementally adding features to the prior product. We propose a novel model-based test generation approach for products developed using SPL that follows incremental testing paradigm. First, we introduce Featured Event Sequence Graphs (FESGs), an extension of ESGs, that provide necessary definitions and operations to support commonalities and variabilities in SPLs with respect to test models. Then we propose a test generation technique for the product variants of an SPL, which starts from any product. The proposed technique with FESGs avoids redundant test generation for each product from SPL. We compare our technique with in-isolation testing approach by a case study.Conference Object Özellik Yönelimli Ürün Konfigürasyonlarının Olay Sıra Çizgeleri ile Doğrulanması(CEUR Workshop Proceedings, 2018) Tuğlular, Tuğkan; Belli, Fevzi; Öztürk, DilekThis study attempts to suggest an approach to systematically test potentially very large number of product variants in feature-oriented software. Feature-oriented software forms a popular concept to efficiently realize software reuse. Developing feature-oriented software is well accepted to accomplish software reuse in an efficient way. Developing product variants by exploiting software reuse requires verification of these variants by exploiting test reuse. However, the reuse of tests in the verification of variants is an underworked topic. In this study, we propose a model-based approach to top-down testing of feature-oriented software that does not have dependency or conflict between features. In the case study, event sequence graphs (ESGs) are used to model the software under consideration and then to generate test cases for positive and negative testing. The generated tests are executed via SahiPro web test automation tool, of which scripts are also automatically generated from ESGs.Master Thesis A Model-Based Test Generation Approach for Agile Software Product Lines(Izmir Institute of Technology, 2020) Öztürk, Dilek; Tuğlular, TuğkanAchieving fast development of good-quality software products is as important as achieving pure functionality. Qualified software development provides client satisfaction, reduces post-deployment costs and certificates the products. In addition to increasing quality, clients expect to tailor the products according to their needs and therefore, product configurability becomes more and more critical. Hence, the software manufacturing is required to adapt this configurable development process correspondingly. Software product line is a paradigm that purposes faster development of qualified software products that belongs to a particular domain. This thesis concentrates on quality assurance in software product lines and provides novel model-based approaches which are full test sequence composition and incremental test sequence composition approaches that aim to reuse existent test artefacts. Full test sequence composition approach reuses the existing test models and the test sequences are composed from scratch each time a product variant's test sequences are generated. Incremental test sequence composition approach reuses both of the test models and the existing test sequences of product variants. Whenever a product variant's test sequences are generated, existing test sequences and features which are incrementing the existing product are composed. The proposed approaches and the classical test generation of ESGs are compared, the results show that the incremental test sequence composition is the best in terms of both test set size and test generation time, the full test sequence composition is better than the single model ESG test generation in terms of test suite size but not in terms of test generation time.