Testing Concepts and Methods. Recent Advances in Classifying Risk-Based Testing Approaches / Michael Felderer, Jürgen Großmann, Ina Schieferdecker -- Improving Software Testing with Causal Modeling / Norman Fenton, Martin Neil -- Optimal Software Testing across Version Releases / Simon P Wilson, Seán Ó Ríordáin -- Incremental Verification and Coverage Analysis of Strongly Distributed Systems / Elena V Ravve, Zeev Volkovich -- Combinatorial Testing / Joseph Morgan -- Conceptual Aspects in Development and Teaching of System and Software Test Engineering / Dani Almog, Ron S Kenett, Uri Shafrir, Hadas Chasidim -- Statistical Models. Non-homogeneous Poisson Process Models for Software Reliability / Steven E Rigdon -- Bayesian Graphical Models for High-Complexity Testing / David Wooff, Michael Goldstein, Frank Coolen -- Models of Software Reliability / Shelemyahu Zacks -- Improved Estimation of System Reliability with Application in Software Development / Beidi Qiang, Edsel A Peña -- Decision Models for Software Testing / Fabrizio Ruggeri, Refik Soyer -- Modeling and Simulations in Control Software Design / Jiri Koziorek, Stepan Ozana, Vilem Srovnal, Tomas Docekal -- Testing Infrastructures. A Temperature Monitoring Infrastructure and Process for Improving Data Center Energy Efficiency with Results for a High Performance Computing Data Center / Sarah E Michalak, Amanda M Bonnie, Andrew J Montoya, Curtis B Storlie, William N Rust, Lawrence O Ticknor, Laura A Davey, Thomas E Moxley, Brian J Reich -- Agile Testing with User Data in Cloud and Edge Computing Environments / Ron S Kenett, Avi Harel, Fabrizio Ruggeri -- Automated Software Testing / Xiaoxu Diao, Manuel Rodriguez, Boyuan Li, Carol Smidts -- Dynamic Test Case Selection in Continuous Integration / Daniel Ståhl, Jan Bosch -- An Automated Regression Testing Framework for a Hadoop-Based Entity Resolution System / Daniel Pullen, Pei Wang, Joshua R Johnson, John R Talburt -- Testing Applications. Testing Defense Systems / Laura J Freeman, Thomas Johnson, Matthew Avery, V Bram Lillard, Justace Clutter -- A Search-Based Approach to Geographical Data Generation for Testing Location-Based Services / Xiaoying Bai, Kejia Hou, Jun Huang, Mingli Yu -- Analytics in Testing Communication Systems / Gilli Shama -- Measures in the Systems Integration Verification and Validation Phase and Aerospace Applications Field Experience / Sarit Assaraf, Ron S Kenett.