| current | Apache Software Foundation: Co-Founder and PMC member at Apache Mahout, PMC member Apache Community Development, Member of the ASF |
| current | Author of various articles on Apache Lucene, Hadoop and NoSQL topics at heise Zeitschriften Verlag Germany and Software and Support Verlag |
| current | Software Engineer at Nokia Gate 5 GmbH. Topics:
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| 2008-2011 | Organizer Apache Hadoop Get Together Berlin |
| 2007-2011 | Junior Software Engineer at Neofonie GmbH. Topics:
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| 2007 | Scientific assistant at the Max Planck Institut für Informatik. Topics:Development of a ranking algorithm based on click data. |
| 2006 | Scientific assistant at the Humboldt Universität zu Berlin. Topics:Development a ranking algorithm based on click data. |
| 2005-2006 | Internship at the Google Switzerland GmbH. Topics:Member of the search quality team. |
| since 2003 | Scientific assistant at the Humboldt Universität zu Berlin. Topics: Machine Learning and Link Mining. Development of new algorithms for mining linked data, such as web pages or scientific publications.
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I am interested in developing open source software. My main interests are large scale information retrieval and machine learning.
I am active developer at Apache Mahout, a project focussed on implementing scalable machine learning algorithms - currently mostly based on Apache Hadoop.
| 1999-2003 | Student at the University of applied sciences Mittweida "Applied Computer Science" (specialization in Practical Computer Science) Internship: August 2001 - Januar 2002 at Vectriz Solutions (now "Arc Solutions"), Chemnitz Task:Enhancement of the user interface of a parts library management application (Remarc). Ported the application's internal data file format from proprietary to XML.
Task: Conceptual design and implementation of a framwork for the development of online games.
Task: Participant in the development of a graphical remote system monitor for the embedded OS μCos
Diploma thesis: April 2003 - November 2003 at LEC Task: "Estimation of Execution Frequencies and Probabilities in complex OO-Systems"
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| 1992-1999 | Martin - Luther - Gymnasium Hartha (high
school) |
| 1987-1992 | POS - Hanno - Günther Waldheim |