hung2903/gemma-4-E4B-vaccine-xai-merged

VISIONConcurrency Cost:1Model Size:7.9BQuant:FP8Ctx Length:32kTool Calling:SupportedPublished:May 24, 2026License:gemmaArchitecture:Transformer Cold

The hung2903/gemma-4-E4B-vaccine-xai-merged model is a 7.9 billion parameter Gemma-4 E4B-based causal language model, fine-tuned by hung2903. It functions as an XAI Reasoning Engine specifically designed for the VaccineNLP system, providing Chain-of-Thought explanations for vaccine misinformation detection in Vietnamese. This model excels in sentiment analysis with a Macro F1 Sentiment score of 0.7196 and supports a 32768 token context length.

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Overview

This model, hung2903/gemma-4-E4B-vaccine-xai-merged, is a 7.9 billion parameter Gemma-4 E4B-based language model, specifically fine-tuned by hung2903. It integrates a QLoRA adapter with the base unsloth/gemma-4-E4B-it model. The primary purpose of this model is to serve as an XAI Reasoning Engine for the VaccineNLP system.

Key Capabilities

  • Vaccine Misinformation Detection: Provides Chain-of-Thought explanations for identifying vaccine misinformation.
  • Vietnamese Language Support: Optimized for processing and reasoning in Vietnamese.
  • Sentiment Analysis: Achieves a strong Macro F1 Sentiment score of 0.7196 on a gold test set (n=186).
  • Reasoning Engine: Designed to offer explainable AI (XAI) insights into its detection process.

Performance Metrics

On a gold test set (n=186), the model demonstrated:

  • Macro F1 Misinfo: 0.6925
  • Macro F1 Stance: 0.5818
  • Macro F1 Sentiment: 0.7196
  • Parse Success Rate: 66.7%

Good for

  • Developers working on VaccineNLP or similar systems requiring explainable AI for misinformation detection.
  • Applications needing Vietnamese language processing for health-related text analysis.
  • Local deployment using tools like LM Studio or Ollama via its GGUF (Q4_K_M) format.