DBEM Think Tank
AI Engineer/Informations Systems Integration
Data Science for Social Goodness. Non-profit research organization.
Reducing the complexity and execution time of matching large graphs and knowledge ontologies, applying Markovchains, implementing a variation of the Page Rank algorithm with random walks and frequent item sets combined with
algebraic operations on graphs.
Oct 2018 - Until now
IBM Research
PhD Graduate Research Internship
Document comprehension project with knowledge modeling for natural resource management with multimedia resources using the hyper knowledge model with node.js and graph databases.
Oct 2018 - Jun 2019
ALICE Research Group
AI Software Engineer, Ontology Alignment
Artificial Intelligence (AI) subject matter expert that is responsible for conducting leading-edge conducting research into new challenges involving reasoning and knowledge modeling over networks of ontologies. Key projects include creating tools to explore a network matching tool for ontologies.
Mar 2017 - Sep 2018
Brazilian Navy - Directorate of Communication and Information Technology
Vice Director of Communication and IT
IT CFO. Supervise the IT Director plan and supervise suppliers and third-party contracts. Validation of RFP, bids, and acquisitions. Approval of payments: procurement and contracts.
Jul 2013 - May 2017
Brazilian Navy - Directorate of Communication and Information Technology
Head of Digital Systems Department
Elaboration of standards, processes, checklists and document templates for business units to host projects on-premises concerning the compliance and standardization processes.
Jan 2011 - Dec 2012
Brazilian Navy - Admiral Sylvio de Camargo Instruction Center
System Analyst and Developer
Responsible for developing and maintaining an amphibious warfare simulator using Lua, Java, and C programming languages and a Linux server running Fedora/Ubuntu and PostgreSQL using a customized XP agile method. Engine developer, DBA,
and support specialist.
Project:
Simulator with more than half a million code lines. The project included some challenges, like real-time processing, military situation modeling, advanced data structures, and tools for users and support.
Results:
Open Source Software adoption project to reduce license costs. Substitution of an Informix database running a 4gl language to a PostgreSQL database with Lua and C. The geoprocessing tool was also changed from an ArcGis tool to an r3tree based data structure using a heightmap. The hardware costs were also decreased from a high-cost Unix server to Linux distribution.
May 2002 - Jan 2011
BRQ
Java developer and instructor
Implementation, test of applications and instructor for the insurance domain.
2005 - 2006