Our Work

Most of our work has resulted in scholarly publications. On this page you can review our publications to get an idea about our work.

Long-Context Training and Positional Extrapolation: A Technical Note

July, 2026 • Technical note
Santos, Dheiver

A technical note on long-context training and positional extrapolation for large language models, covering techniques such as rotary position embedding scaling and attention modifications used to exte…

Machine Learning Framework for Road Accident Prediction

July, 2026 • Conference proceeding • Indiana Journal of Multidisciplinary Research
Spoorthi, M

Abstract: Road accidents are a major public safety issue because they kill 17 people every hour in India. We need to find good ways to stop accidents right away because each death is linked to many in…

Accident prediction, Machine learning, Data mining, SVM, KNN, Road accidents, Pattern of data.

RLAIF and Constitutional AI: A Technical Note

July, 2026 • Technical note
Santos, Dheiver

A technical note on Reinforcement Learning from AI Feedback (RLAIF) and Constitutional AI, methods that use AI-generated feedback and explicit principles to align model behavior.

large language modelsRLAIF

AS TRANSFORMAÇÕES NA GESTÃO DE PESSOAS NO PÓS-PANDEMIA E A INFLUÊNCIA SOBRE A QUALIDADE DE VIDA DOS SERVIDORES: A REALIDADE DAS UNIVERSIDADES FEDERAIS MINEIRAS

November, 2023 • Thesis
LUCAS, JORGE LUCAS SANTOS DA LUZ

A pandemia da COVID-19 representou um desafio global sem precedentes, impactando de forma abrangente e profunda todos os aspectos da vida, incluindo a saúde pública, a economia…

Knowledge Distillation and Self-Distillation for Language Models

July, 2026 • Technical note
Santos, Dheiver

A technical note covering knowledge distillation and self-distillation techniques used to compress and improve large language models while retaining task performance.

large language modelsknowledge distillation

Mixture-of-Experts Training and Sparse Upcycling

July, 2026 • Technical note
Santos, Dheiver

A technical note on training sparse Mixture-of-Experts (MoE) models, covering expert routing strategies and the sparse upcycling approach for converting dense checkpoints into MoE architectures.

large language modelsmixture of experts

Parameter-Efficient Fine-Tuning: LoRA, QLoRA, and DoRA

July, 2026 • Technical note
Santos, Dheiver

A technical note comparing parameter-efficient fine-tuning techniques for large language models, including Low-Rank Adaptation (LoRA), its quantized variant QLoRA, and Weight-Decomposed Low-Rank Adapt…

large language modelsfine-tuning

Reinforcement Learning with Verifiable Rewards (RLVR) and GRPO for Reasoning

July, 2026 • Technical note
Santos, Dheiver

A technical note on Reinforcement Learning with Verifiable Rewards (RLVR) and Group Relative Policy Optimization (GRPO), and how these methods are used to improve multi-step reasoning capabilities in …

large language modelsreasoning

Direct Preference Optimization (DPO): A Technical Note

July, 2026 • Technical note
Santos, Dheiver

A technical note on Direct Preference Optimization (DPO), a method for aligning language models with human preferences without a separate reward model. It covers the training objective, how it relates…

large language modelsdirect preference optimization

On Losses, Pauses, Jumps and the Wideband E-Model – IEEE Xplore Document

There is an increasing interest in upgrading the EModel, a parametric tool for speech quality estimation, to the wideband and super-wideband contexts. The

NUAV – a testbed for developing autonomous Unmanned Aerial Vehicles – IEEE Xplore Document

Contemporary models of Unmanned Aerial Vehicles (UAVs) are largely developed using simulators. In a typical scheme, a flight simulator is dovetailed with a

NUAV – a testbed for developing autonomous Unmanned Aerial Vehicles

 

Simulators as Drivers of Cutting Edge Research – IEEE Xplore Document

Undertaking engineering research can be compounding for beginning graduate students and thwarting even for seasoned researchers. With a wealth of academic

Simulators as Drivers of Cutting Edge Research

Evolutionary speech quality estimation in VoIP

A Methodology for Deriving VoIP Equipment Impairment Factors for a Mixed NB/WB Context

Real-Time, Non-intrusive Speech Quality Estimation: A Signal-Based Mod
Real-Time, Non-intrusive Evaluation of VoIP

VoIP speech quality estimation in a mixed context with genetic programming

An Evolutionary Approach to Speech Quality Estimation

Real-Time Non-Intrusive VoIP Evaluation Using Second Generation Network Processor

Non-intrusive quality evaluation of VoIP using genetic programming

 

Photo by Hackley Public Library

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