Michał Żarnecki Portfolio

I'm a programmer and lecturer. My work is related to programming in Python/PHP/JavaScript and designing systems and solutions related to AI/machine learning, data mining, big data and natural language processing.

Month: February 2019

Business network graph based on Neo4j and Sigma.js

Posted on 24 February 2019  in projects

Pictures from companyhouse.de

 

Web application displaying and allowing to search, filter and export network graph

Responsibilities:

  • Setup Neo4j graph db
  • Implement data exporter, proxy and cache
  • Implement network graph based on sigma.js library
  • Support navigation, search and filtering graph
  • Implement custom renderers for graph nodes and edges
  • Implement nodes distribution algorithm

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Month: February 2019

Machine Learning – topic modelling for german companies description

Posted on 24 February 2019  in projects

Machine learning model and web service predicting company industry codes based on description.

Responsibilities:

  • Implement machine learning model classyfing text into over 100 classes
  • German text preprocessing and normalization
  • Evaluation and, upgrading model parameters
  • Implement web service for real time prediction

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