Scientific Prototypes:

1993: "IFC" - Image File Conversion System (written in C language on SUN workstation). 

1991: "AMSTERDAM" - A Document Image Indexing, Storage and Retrieval System (written in C language on SUN workstation). 

1987-1988: Image Database System (written in C and PROLOG on SUN workstation). 

1986: Image Structure Analysis System (written in PASCAL on IBM PC). 

1982: Software System for Medical Diagnosis (written in FORTRAN on PDP-11). 

1978: Software System for Data Correlation and Prognosis of the Agriculture Flow (written in FORTRAN on IBM 360). 

1975-1976: Program System for Empirical Sociological Investigation (written in Assembler and FORTRAN on IBM 360). 
 

Commercial Prototype:

1989-1990: "MOTHER" - An Expert System in Obstetrics and Gynecology (written in GURU, Micro Database Inc., on IBM PC) (with a team). 

1986: Software System for Empirical Sociological Investigation for the Bulgarian Microcomputer SM 1704 (written in FORTRAN) (with a team). 

1983-1985: Scientific program package for the Bulgarian Microcomputers BK 1300 and SM 1704 (written in FORTRAN) (with a team).