Welcome to the Language Technology Lab

The language technology lab carries out research in the field of Natural Language Processing. We mainly focus on two areas of specialization:

Educational NLP

  • Short answer scoring
  • Essay scoring
  • Vocabulary Acquisition
  • Spelling and grammar correction

Social Media Analysis

  • Robustness of tools
  • Domain adaption
  • Large-scale semantic processing

We are committed to reproducible and replicable research. We generally make all research software publicly available.

Christian Gold joins the Language Technology Lab

Christian Gold joins the lab as a doctoral researcher. He will work on educational NLP with a focus on handwriting recognition.

Michael Wojatzki defends his dissertation

On 21st January, Michael successfully defended his dissertation with the title Computer-assisted Understanding of Stance in Social Media: Formalizations, Data Creation, and Prediction Models. Congratulations Michael!

Talk at Engineers Night

On the 18th of January, Professor Torsten Zesch gave the talk "Alexa, why don't you understand me?" at the engineers night of our university.
His talk explained how virtual assistants like Alexa, Siri or Cortana work. Torsten demonstrated under which conditions a user is likely to be misunderstood, what causes pronunciation problems for the assistant and why Alexa so often doesn't know what you want from her.

Paper accepted at NLP4CALL 2018

The following paper has been accepted at the 7th workshop on NLP for Computer-Assisted Language Learning (NLP4CALL 2018), to be held in connection with SLTC 2018 in Stockholm, Sweden.

Osama Hamed and Torsten Zesch: The Role of Diacritics in Increasing the Difficulty of Arabic Lexical Recognition Tests.