WoS İndeksli Yayınlar Koleksiyonu

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Browsing WoS İndeksli Yayınlar Koleksiyonu by Publisher "Academic Press Inc. apjcs@harcourt.com"

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    Book Part
    Citation - WoS: 4
    Citation - Scopus: 8
    Advances in Model-Based Testing of Graphical User Interfaces
    (Academic Press Inc. apjcs@harcourt.com, 2017) Fevzi Belli; Mutlu Beyazit; Christof J. Budnik; Tugkan Tuglular; Budnik, Christof J.; Belli, Fevzi; Beyazıt, Mutlu; Tuglular, Tugkan
    Graphical user interfaces (GUIs) enable comfortable interactions of the computer-based systems with their environment. Large systems usually require complex GUIs which are commonly fault prone and thus are to be carefully designed implemented and tested. As a thorough testing is not feasible techniques are favored to test relevant features of the system under test that will be specifically modeled. This chapter summarizes reviews and exemplifies conventional and novel techniques for model-based GUI testing. © 2017 Elsevier B.V. All rights reserved.
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    Article
    Citation - WoS: 12
    Citation - Scopus: 11
    Poor modules with no proper poor direct summands
    (Academic Press Inc. apjcs@harcourt.com, 2018) Refail Alizade; Engi̇n İ. Büyükaşik; Sergio R. López-Permouth; Liu Yang; López-Permouth, Sergio R.; Büyükaşık, Engİn; Alizade, Rafail; Yang, Liu
    As a mean to provide intrinsic characterizations of poor modules the notion of a pauper module is introduced. A module is a pauper if it is poor and has no proper poor direct summand. We show that not all rings have pauper modules and explore conditions for their existence. In addition we ponder the role of paupers in the characterization of poor modules over those rings that do have them by considering two possible types of ubiquity: one according to which every poor module contains a pauper direct summand and a second one according to which every poor module contains a pauper as a pure submodule. The second condition holds for the ring of integers and is just as significant as the first one for Noetherian rings since in that context modules having poor pure submodules must themselves be poor. It is shown that the existence of paupers is equivalent to the Noetherian condition for rings with no middle class. As indecomposable poor modules are pauper we study rings with no indecomposable right middle class (i.e. the ring whose indecomposable right modules are pauper or injective). We show that semiartinian V-rings satisfy this property and also that a commutative Noetherian ring R has no indecomposable middle class if and only if R is the direct product of finitely many fields and at most one ring of composition length 2. Structure theorems are also provided for rings without indecomposable middle class when the rings are Artinian serial or right Artinian. Rings for which not having an indecomposable middle class suffices not to have a middle class include commutative Noetherian and Artinian serial rings. The structure of poor modules is completely determined over commutative hereditary Noetherian rings. Pauper Abelian groups with torsion-free rank one are fully characterized. © 2018 Elsevier B.V. All rights reserved.