Detecting Synthetic Political Narratives in Cross-Platform Social Media Discourse
The proliferation of large language models has introduced a new paradigm of synthetic political communication in which narratives may be generated, semantically coordinated, and strategically disseminated across platforms at scale. We present a cross-platform framework for detecting synthetic political narratives using four coordination signals -- lexical diversity D(C), temporal burstiness B(C), rhetorical repetition R(C), and semantic homogenization H(C) -- combined into a Synthetic Narrative Coordination Score SNC(C). We apply the framework to a corpus of 353,223 records spanning six geopolitical event windows collected from six Telegram channels and nine Reddit communities (2023--2026...
| Authors | Despoina Antonakaki, Sotiris Ioannidis |
|---|---|
| Primary category | cs.SI |
| Published | 20 May 2026 |
| Last updated at source | 20 May 2026 |
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