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Johann Petrak

Researcher

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1010 Vienna
Austria

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Personal information

Haves

machine learning, data mining, language technology, information extraction, ontologies, semantic systems, statistics, java, perl, lisp, scala, ruby, linux, natural language processing, GATE
Interests

machine learning, data mining, language technology, natural language processing, text mining, semantic systems, ontologies, statistics, linux, opensource, music, biology, politics, economics
Groups

Professional experience

Dec 2009 - present
(2 years, 6 months)

(Only visible for registered members)
1993 - May 2009

Researcher

OFAI (Austrian Research Institute for Artificial Intelligence), http://www.ofai.at

Industry: Research
1996 - 2002

Lecturer

University of Vienna, http://www.univie.ac.at/?L=2

Industry: Academia
1990 - 1993

Undergraduate Assistant

Vienna University of Technology, http://www.tuwien.ac.at/tu_vienna/

Industry: Others
1987 - 1993

Freelance Consultant, Teacher, Developer

____

Industry: Consulting
1985 - 1987

System Analyst

Computing Center of the Austiran Federam Ministry of Finance, http://www.brz.gv.at/Portal.Node/brz/public

Industry: Civil Service
1982 - 1985

Systems Programmer

Computing Center of the Austrian Ministry of Finance, http://www.brz.gv.at/Portal.Node/brz/public

Industry: Civil Service
1980 - 1982

Application Programmer

Computing Center of the Austrian Federal Ministry of Finance, http://www.brz.gv.at/Portal.Node/brz/public

Industry: Civil Service

Employment status

Employee

Educational background

Vienna University of Technology
Computer Science, Dipl.Ing. (with honors)

Artificial Intelligence, Statistics, Machine Learning, Language Technology

Languages

English (Fluent), German (First language), Spanish (Good knowledge)

About me

Computer scientist with experience in machine learning, data mining, intelligent data analysis, natural language processing and language technology, and semantic systems and ontologies.

Skilled and enjoys programming in many programming languages, including Java, Scala, LISP, perl, and others.

Contributor to the NLP framework GATE and author of several open-source plugins for GATE. Extensive experience with information extraction and ontology-based NLP and using the GATE framework for these tasks.

Contacts

Bernhard Jung, Dr. Helwig Hauser, Jürgen Rattenberger, Eduard Wulfert

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