The supplementary material is composed of three files: 1. SelectedStudies.pdfcontains the 104 studies selected in this systematic mapping study. 2. PublicationVenues.pdf contains the major publication venues of the selected studies. 3. Dataset.xlsx contains the following Excel sheets: (1) Architecting Activities contains the 11 architecting activities, mined architectural information, datasets and sources used in the selected studies, and relevant studies. (2) Automatic Approaches contains tasks, automatic approaches, used sources, mined architectural information, and relevant studies. (3) Semi-automatic Approaches contains tasks, semi-automatic approaches, used sources, mined architectural information, and relevant studies. (4) Manual Approaches contains tasks, manual approaches, used sources, mined architectural information, and relevant studies. (5) General Tools contains general tool names, description of each tool, URL of each tool (if provided), and relevant studies. (6) Automatic Tools contains tasks, automatic tool names, used sources, mined architectural information, URL of each tool (if provided), and relevant studies. (7) Semi-automatic Tools contains tasks, semi-automatic tool, used sources, mined architectural information, URL of each tool (if provided), and relevant studies.