TerraMARS: A Domain-Adapted Small-Language-Model Pipeline for Mars Terraforming Literature

• URL: http://arxiv.org/abs/2606.19700v1
• Date: Thu, 18 Jun 2026 01:52:36 GMT
• Title: TerraMARS: A Domain-Adapted Small-Language-Model Pipeline for Mars Terraforming Literature
• Abstract summary: We present TerraMARS, an end-to-end information extraction pipeline that combines a domain-adapted Small Language Model to answer Mars terraforming-related questions.<n>A corpus of open-access papers is collected and processed using a multistage retrieval and chunking framework.<n>The pipeline generates both types of output and provides a foundation for integrating knowledge from scientific literature into downstream applications.
• Score: 0.48998185508205744
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Researchers are interested in learning about Mars so that it may eventually become habitable for humans. To achieve this, there is a need for comprehensive knowledge of the planet's atmosphere, hydrology, surface chemistry, radiation environment, and spatial features through the scientific literature. These contain valuable information and meaningful quantitative constraints that can be used in other models and studies, such as habitability assessment and future terraforming studies. We present TerraMARS, an end-to-end information extraction pipeline that combines a domain-adapted Small Language Model to answer Mars terraforming-related questions and convert unstructured Mars science text into machine-readable structured outputs in JavaScript Object Notation (JSON) format. A corpus of open-access papers is collected and processed using a multistage retrieval and chunking framework. Google Gemma 3 1B was adapted to the domain using Quantized Low-Rank Adaptation (QLoRA) fine-tuning on Mars-specific question-answering and information extraction datasets. The resulting pipeline generates both types of output and provides a foundation for integrating knowledge from scientific literature into downstream applications like digital twins and habitability modeling for Mars. The output from this pipeline looks promising, but further improvements are needed to increase extraction accuracy and factual consistency.

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