Tsaro Gemma 4 E2B

Fine-tuned Gemma 4 E2B threat extraction model for Tsaro, a shared safety system for Northern Nigeria.

What this model does

Given an unstructured report in Hausa, Pidgin, or English, this model returns a structured threat signal — threat type, location, perpetrator and vehicle counts, direction of movement, time references, and a confidence score — and judges whether the message is a genuine security report at all.

Model details

  • Base model: google/gemma-4-e2b-it
  • Fine-tuning: LoRA adapter trained on Tsaro threat-report data, then merged into the base weights
  • Role in Tsaro: the E2B variant is the smaller of two on-device extraction models, used as the fallback for older or low-RAM Android devices

Derived models

Training data

Fine-tuned on threat-report examples spanning Hausa, Pidgin, and English, including examples derived from the ACLED Nigeria conflict archive with Hausa and Pidgin translations.

Intended use and limitations

Built for community safety reporting in a specific regional context. Not a general-purpose model. Outputs are extraction assistance, not verified intelligence.

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