Teaching
Training students and young researchers in programming, databases, data science, machine learning, NLP and modern AI systems.
DC/CCT/UEPB • Campina Grande • Paraíba • Brazil
Research, education and innovation in Artificial Intelligence for Brazil and beyond.
LANA NEXUS AI is a laboratory for teaching, research, outreach and technology transfer, connecting Artificial Intelligence, Data Science, Natural Language Processing, Big Data, Assistive Technologies, Health and Culture.
2011Founded
AIResearch
UEPBUniversity
Mission
Producing knowledge for Paraíba, Northeast Brazil, Brazil and the world.
Research
Developing scientific work in LLMs, RAG, intelligent systems, multimodal AI, data-driven public interest applications and AI for health.
Outreach
Connecting university knowledge with society through applied projects, books, courses, assistive technologies and social impact initiatives.
Research areas
A laboratory organized around intelligent systems and human-centered AI.
LANA NEXUS AI integrates foundational computing education with advanced research in Artificial Intelligence, Natural Language Processing, Big Data, Large Language Models and digital transformation.
- Large Language Models and Retrieval-Augmented Generation
- Natural Language Processing and conversational agents
- AI for healthcare, hearing accessibility and assistive technologies
- Data Science, Big Data, NoSQL, Spark and distributed computing
- Computer vision, multimodal AI and intelligent dashboards
Projects and software
From academic research to prototypes, software and future spin-offs.
MandarinToneAI
An AI-assisted learning environment for Mandarin, tones, pronunciation, history and culture, designed as an educational and research platform.
Education • NLP • Speech
CortexAI
A research and innovation initiative for applied AI, intelligent agents, health, accessibility and human-centered technologies.
Applied AI • Assistive TechRAG for Scientific Research
Retrieval-Augmented Generation systems to support scientific literature exploration, knowledge organization and academic productivity.
LLMs • RAG • ResearchRAG for Medical Meetings
Audio-aware RAG pipelines for consultations, meetings and health documentation, with attention to accessibility and privacy.
Health AI • Audio • RAGBrazilian Benchmark for Assisted Hearing
Evaluation datasets and protocols for AI-supported hearing accessibility in Portuguese-speaking contexts.
Benchmark • AccessibilityConversational Agent for Hearing Accessibility
Conversational AI to support people with hearing loss in everyday, academic and professional environments.
Conversational AI • InclusionSpeech Comprehension Prediction
Models to estimate speech comprehension and listening effort in noisy environments using AI and data-driven methods.
Machine Learning • HealthSocial Data and Public Interest
Dashboards and data analysis projects on ENEM, tropical diseases, water reservoirs, social media and public data.
Data Science • SocietyMore legacy projects and software are documented at valencar.com/projects-and-softwares.
Teaching
Courses updated for the age of AI, data and intelligent systems.
Database Systems
Relational modeling, MER, relational algebra, SQL, normalization, transactions, concurrency, recovery, optimization, MongoDB, NoSQL and modern data architectures.
Original course pageSpecial Topics in Databases / Data Science
Data Science, Big Data, Python, machine learning, neural networks, deep learning, NLP, LLMs, computer vision, social media analysis, Hadoop and Spark.
Original course pageIntroduction to Programming
Computer fundamentals, representation of data, algorithms, Python, control structures, functions, debugging, software practices and applied projects.
Original course page
Books and culture
Writing as research, teaching and public communication of science.
The LANA NEXUS AI ecosystem is connected to books, academic writing and interdisciplinary reflection on technology, culture, society, public health, data and the future of Artificial Intelligence.
Current interests include digital literacy, AI education, philosophy of technology, geopolitics, anthropology, culture and the social impacts of intelligent systems.
View booksDomain architecture
lananexus.org as the institutional home. lananexus.com as strategic brand protection.
lananexus.org
Main institutional site for the laboratory: research, teaching, outreach, publications, projects, courses and international collaboration.
lananexus.com
Recommended redirect to lananexus.org for now. It protects the brand and can later support products, consulting, startups or technology transfer initiatives.
Contact
Build research, innovation and education partnerships with LANA NEXUS AI.
Suggested institutional email: contact@lananexus.org. Alternative aliases: research@lananexus.org, projects@lananexus.org and vladimir@lananexus.org.