This dataset contains the complete research materials for the study "Digital Platforms and Epistemic Legitimacy in Indonesia: A Comparative Analysis of Wikipedia and X (Twitter) during the 2023 'Jokowi Diploma' Controversy" submitted to New Media & Society. CONTENTS: 1. RAW DATA: - Twitter/X dataset: "ijazah_palsu_jokowi_cleaning.csv" (January-June 2023, 3,340 tweets) - Wikipedia article: "Kasus-kasus hukum terkait ijazah Joko Widodo.txt" (complete article text) 2. ANALYSIS CODE (Jupyter Notebooks): - RQ1 series: Network analysis and semantic examination (RQ_1_1.ipynb, RQ_1_2.ipynb, RQ_1_3.ipynb) - RQ2 series: Polarization and sentiment analysis (RQ_2_1.ipynb, RQ_2_2.ipynb, RQ_2_3.ipynb) - RQ3 series: Virality and epistemic quality assessment (RQ_3_1.ipynb, RQ_3_2.ipynb, RQ_3_3.ipynb) - Additional analyses: Digital literacy (RQ_literasi_digital.ipynb) and mobile-first dynamics (RQ_Mobile_First_Dynamics.ipynb) 3. DOCUMENTATION: - OSM.pdf: Complete Online Supplementary Materials (OSM 1-10) describing all analytical procedures METHODOLOGY:The study employs a sequential explanatory mixed-methods approach comparing Wikipedia's collaborative verification with X/Twitter's algorithmic amplification. Analysis includes network analysis, sentiment scoring, readability metrics (Flesch-Kincaid), and CRAAP content quality assessment. LICENSE: CC-BY 4.0 International for data, MIT License for codeLANGUAGE: Indonesian (data), English (metadata)FORMATS: CSV, TXT, IPYNB, PDF