Trautsch, AlexanderHerbold, SteffenGrabowski, JensKoziolek, AnneSchaefer, InaSeidl, Christoph2020-12-172020-12-172021978-3-88579-704-3https://dl.gi.de/handle/20.500.12116/34538This article summarizes our work originally published in the journal Empirical Software Engineering.enStatic code analysisQuality evolutionSoftware metricsSoftware qualityA Longitudinal Study of Static Analysis Warning Evolution and the Effects of PMD on Software Quality in Apache Open Source ProjectsText/ConferencePaper10.18420/SE2021_411617-5468