Stefan Henß

Stefan Henß

Machine Learner & Software Engineer in Frankfurt, Germany (24)
I'm a Master's degree student in Computer Science with interests in Machine Learning, Statistics, Natural Language Processing, Software Engineering, Artificial Intelligence, Politics, and Economics. In my spare time, I like to compete on the predictive modelling site Kaggle, where I am currently ranked 14th out of 100,000+ data scientists.

Skills & Expertise

Machine Learning3 yrs

Supervised+Reinforcement Learning, Graph/Bayesian Models, Ensemble Learning, Mahout
Predictive Analytics3 yrs

Regression, Decision Trees, Neural Nets (Deep Learning), SVMs, Recommender Systems
Data Mining2 yrs

Cluster Analysis, Density Estimation, Dimension Reduction, Outlier Detection, Visual Analytics
Natural Language Proc.3 yrs

Parsing, Normalization, Language Statistics, Sentiment Analysis, Semantic Analysis, Topic Models, Essay Scoring
Information Retrieval / Extraction4 yrs

Focused Web Crawling, Web Indexing, Learning to Rank
Databases / "Big Data"3 yrs

SQL, NoSQL, Hadoop, HBase, CouchDB, MySQL, Oracle, PostgreSQL
Software Engineering5 yrs

Java, Python, C, R, Matlab, Distributed Computing, MapReduce, Eclipse Plugin Development
Web Development10 yrs

Java (Spring), PHP, xHTML, CSS, Bootstrap, JavaScript, jQuery, Web Design, Search Engine Optimization
System Administration6 yrs

Linux, Gentoo, Debian

2013 - today
bd4travel GmbH

Developer, Machine Learning
Design and implementation of various Data Mining and Machine Learning applications.
2012 - today
Pacific Metrics Corporation

Consultant, Machine Learning
Delivery of Natural Language Processing Software, incl. Consultancy
2013
Darmstadt University of Technology

Student Assistant, Ubiquitous Knowledge Processing (UKP) Lab
Development of Natural Language Processing Software
2012
Darmstadt University of Technology

Student Assistant, Software Technology Group
Committer at Eclipse Code Recommenders (Java)
2008 - 2012
XtremeGN UG

Independent Contractor, Software Engineer
Web Development (PHP), Webdesign, Database Administration (MySQL), Server Administration (Linux)
2011
Google

Software Engineer for Eclipse Code Recommenders
Project: "Code Recommenders: Extended & Crowd-sourced Javadoc Platform" (Java)
2011
Darmstadt University of Technology

Student Assistant, Software Technology Group
Automated Generation of FAQs from Software Development Mailing Lists (Java)
2009
SHC GmbH

Independent Contractor, Software Engineer
Web Crawler for Establishing a Product Database (Java)

2012 - today
Master of Science (M.Sc.), Computer Science

Darmstadt University of Technology, Germany
Thesis: Constructing and Summarizing Document Collections Using Reinforcement Learning
2008 - 2012
Bachelor of Science (B.Sc.), Computer Science

Darmstadt University of Technology, Germany
Thesis: Semi-Automatically Extracting FAQs to Improve Accessibility of Software Development Knowledge

2013 - today
Author, Bitkom

Contributor to a handbook of the Big Data Committee
2011 - 2013
Eclipse Committer

Contributor to Eclipse Code Recommenders
Developed and improved multiple tools tools for analyzing and generated source code.

1 Leben nach Zahlen: Big Data: Wie Staaten und Konzerne berechnen, was wir tun werden. Der Spiegel. 2013. [Link]
2 Hewlett Foundation Announces Winners of Essay Scoring Technology Competition. Getting Smart. 2012. [Link]
3 Quillen, Ian: Hewlett Automated-Essay-Grader Winners Announced. Education Week. 2012. [Link]
4 Johnson, Dr. Bruce: Should We Be Worried About Robo Graders? Education Week. 2012. [Link]
5 Robot Essay Grader Wins $60,000 Prize. InnovationNewsDaily. 2012. [Link]
6 Brown, Ariella: Automated Systems 'Grade' Written Work. Internet Evolution. 2012. [Link]
7 Ausgezeichnet! TU Darmstadt verleiht Nachwuchspreise 2012 im karo 5. TU Darmstadt. 2012. [Link]