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ArthurFachel/README.md

Arthur Fachel

Data Science student at PUCRS and researcher at MALTA Lab, Porto Alegre. I work on LLM evaluation and continual learning.

Research

The Role of Contextual Grounding in Geoscience Benchmarks, BRACIS 2026
Self-conditioned prompting on GeoBench: queries get a structured reasoning layer (domain, geological process, difficulty) before the model answers. Evaluated on 4 open-source LLMs. Joint work with Petrobras and UNISINOS.
Paper · Code

Who moved continual learning to LLMs? (2026)
Reproducible bibliometric study on OpenAlex: US industry seeded continual learning for LLMs, China scaled it.
Report · Code · DOI

Neuron-level plasticity for continual learning (ongoing)
Per-neuron functional importance decides which units stay plastic between tasks, plus activation-level competition.
Code

Projects

Project What it is
Pokevault Pokémon TCG collection tracker that runs in the browser: live prices, 30-day trends, multi-currency totals. Live demo
Lightsail-Petrobras Geoscience agent API that answers questions about sedimentary basins with cited data from a structured GeoDB, built to plug into VR systems or run standalone. MALTA-GEO (PUCRS / Petrobras / UNISINOS).

Tools

Python PyTorch pandas Flask Redis JavaScript

Languages

Portuguese (native), English (C2), Finnish (B2)

LinkedIn · Email · ORCID · CV

Pinned Loading

  1. dual-heater-mlp dual-heater-mlp Public

    Neuron-level plasticity for continual learning (research prototype)

    Python

  2. Contextual-Grounding Contextual-Grounding Public

    Code for 'The Role of Contextual Grounding in Geoscience Benchmarks' (BRACIS 2026): self-conditioned prompting on GeoBench

    Python

  3. cl-bibliometrics cl-bibliometrics Public

    Who moved continual learning to LLMs? US industry seeded it, China scaled it. Reproducible OpenAlex bibliometrics.

    Python 1