From Signals to Insights: Automating Horizon Scanning with NLP and LLMs through Signal Evolution Analysis

Horizon scanning helps organizations anticipate future developments and prepare for emerging risks. Traditional approaches, however, rely heavily on domain experts, making results difficult to scale, communicate, and reproduce. This research introduces an automated framework combining NLP and Large Language Models to replicate expert sensemaking. Unstructured texts are transformed into structured insights within a time-aware knowledge network, enabling automated detection of the knowledge origins, emerging topics and their evolution. LLM-based interpretation translates complex network results into understandable insights, making horizon scanning results accessible without requiring domain expertise.

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