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1. votium/votium-api votium/votium-api Public

   Main backend service for the Votium system. Handles business logic, authentication, communication with the Hyperledger Fabric network, and API service exposure.

   TypeScript

2. versanet-backend versanet-backend Public

   Backend service for an internet service provider management platform, featuring JWT authentication, PDF invoice generation, email notifications, MySQL persistence, and containerized deployment.

   JavaScript

3. retail-data-warehouse retail-data-warehouse Public

   End-to-end retail analytics project involving ETL processes, data cleansing, dimensional modeling, PostgreSQL data warehousing, KPI generation, and sales performance analysis.

   Jupyter Notebook

4. payment-microservice payment-microservice Public

   Payment microservice built with Node.js, Express, and Sequelize, providing secure payment processing, JWT-based authentication, automated testing, and REST API endpoints.

   JavaScript

5. recipe-language-parser recipe-language-parser Public

   Natural language parser for traditional Colombian recipes, implementing CFG, DCG, and PCFG grammars with probabilistic disambiguation and syntax tree visualization.

   Python

6. chicago-crime-classifier chicago-crime-classifier Public

   Machine learning project for crime classification using the Chicago Crime Dataset, featuring data preprocessing, feature engineering, gradient boosting models, and performance evaluation.

   Jupyter Notebook