All Stories

  1. Testing the unidimensionality of risk perception: An empirical study using Cronbach’s Alpha on online surveys

    Article • January 2025, American Institute of Physics

    Angel Marchev

  2. Methodology for cold-start modeling using synthetic data

    Article • January 2025, American Institute of Physics

    PhD Vasil Marchev, Angel Marchev

  3. Automated Algorithm for Multi-variate Data Synthesis with Cholesky Decomposition

    Article • October 2023, ACM (Association for Computing Machinery)

    PhD Vasil Marchev, Angel Marchev

  4. Sofia Bus Schedules Get a High-Tech Upgrade

    Article • January 2023, American Institute of Physics

    Angel Marchev

  5. Innovative On-demand Public Transportation in Sofia - an Overview of the Algorithmic Tasks

    Article • May 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Kamen Boyanov Spassov, Angel Marchev

  6. Evolution of the Concept of Self-Organization by the Founding Fathers of A.I.

    Article • May 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Angel Marchev

  7. Synthesizing multi-dimensional personal data sets

    Article • January 2022, American Institute of Physics

    Angel Marchev, PhD Vasil Marchev

  8. Predicting Travel Times for On-demand Public Transport in Sofia

    Article • IFAC-PapersOnLine, January 2022, Elsevier

    Angel Marchev

  9. Prediction of the Air Pollution by Geo-locations in Sofia

    Article • IFAC-PapersOnLine, January 2022, Elsevier

    Angel Marchev

  10. Self-organization types for autonomous investment portfolio

    Article • September 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Angel Marchev

  11. A step beyond the Monte Carlo method in economics: Application of multivariate normal distribution

    Article • January 2015, American Institute of Physics

    Angel Marchev

  12. Autonomous portfolio investment by multi-stage selection procedure

    Article • January 2014, American Institute of Physics

    Angel Marchev

  13. Computer simulation environment for comparative analysis of models for investment portfolio management

    Article • January 2013, American Institute of Physics

    Angel Marchev

  14. Investment portfolio management from cybernetic point of view

    Article • January 2013, American Institute of Physics

    Angel Marchev

  15. Multi-stage selection procedure for investment portfolio management

    Article • October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Angel Marchev

  16. Cybernetic approach to selecting models for simulation and management of investment portfolios

    Article • October 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Angel Marchev